diff options
| author | Jeff Mahoney <jeffm@suse.com> | 2016-06-22 18:54:24 -0400 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2016-12-06 16:06:59 +0100 |
| commit | 2ff7e61e0d30ff166a2ae94575526bffe11fd1a8 (patch) | |
| tree | a2b8aba1d10c010cc247f3e0866dcbd627e852f3 /fs | |
| parent | afdb571890615059ed4f0625209b379aff6cb08d (diff) | |
| download | linux-2ff7e61e0d30ff166a2ae94575526bffe11fd1a8.tar.gz | |
btrfs: take an fs_info directly when the root is not used otherwise
There are loads of functions in btrfs that accept a root parameter but only use it to obtain an fs_info pointer. Let's convert those to just accept an fs_info pointer directly. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs')
44 files changed, 1119 insertions, 1243 deletions
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index 45ef41f247b1..4577c028333a 100644 --- a/fs/btrfs/backref.c +++ b/fs/btrfs/backref.c @@ -788,8 +788,7 @@ static int __add_missing_keys(struct btrfs_fs_info *fs_info, if (ref->key_for_search.type) continue; BUG_ON(!ref->wanted_disk_byte); - eb = read_tree_block(fs_info->tree_root, ref->wanted_disk_byte, - 0); + eb = read_tree_block(fs_info, ref->wanted_disk_byte, 0); if (IS_ERR(eb)) { return PTR_ERR(eb); } else if (!extent_buffer_uptodate(eb)) { @@ -1405,8 +1404,7 @@ again: ref->level == 0) { struct extent_buffer *eb; - eb = read_tree_block(fs_info->extent_root, - ref->parent, 0); + eb = read_tree_block(fs_info, ref->parent, 0); if (IS_ERR(eb)) { ret = PTR_ERR(eb); goto out; diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c index 137883cce13c..ab14c2e635ca 100644 --- a/fs/btrfs/check-integrity.c +++ b/fs/btrfs/check-integrity.c @@ -2904,14 +2904,13 @@ int btrfsic_submit_bio_wait(struct bio *bio) return submit_bio_wait(bio); } -int btrfsic_mount(struct btrfs_root *root, +int btrfsic_mount(struct btrfs_fs_info *fs_info, struct btrfs_fs_devices *fs_devices, int including_extent_data, u32 print_mask) { int ret; struct btrfsic_state *state; struct list_head *dev_head = &fs_devices->devices; - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_device *device; if (fs_info->nodesize & ((u64)PAGE_SIZE - 1)) { @@ -2939,7 +2938,7 @@ int btrfsic_mount(struct btrfs_root *root, btrfsic_is_initialized = 1; } mutex_lock(&btrfsic_mutex); - state->fs_info = root->fs_info; + state->fs_info = fs_info; state->print_mask = print_mask; state->include_extent_data = including_extent_data; state->csum_size = 0; @@ -2977,7 +2976,7 @@ int btrfsic_mount(struct btrfs_root *root, ret = btrfsic_process_superblock(state, fs_devices); if (0 != ret) { mutex_unlock(&btrfsic_mutex); - btrfsic_unmount(root, fs_devices); + btrfsic_unmount(fs_devices); return ret; } @@ -2990,8 +2989,7 @@ int btrfsic_mount(struct btrfs_root *root, return 0; } -void btrfsic_unmount(struct btrfs_root *root, - struct btrfs_fs_devices *fs_devices) +void btrfsic_unmount(struct btrfs_fs_devices *fs_devices) { struct btrfsic_block *b_all, *tmp_all; struct btrfsic_state *state; diff --git a/fs/btrfs/check-integrity.h b/fs/btrfs/check-integrity.h index f78dff1c7e86..2de58a99ee92 100644 --- a/fs/btrfs/check-integrity.h +++ b/fs/btrfs/check-integrity.h @@ -29,10 +29,9 @@ int btrfsic_submit_bio_wait(struct bio *bio); #define btrfsic_submit_bio_wait submit_bio_wait #endif -int btrfsic_mount(struct btrfs_root *root, +int btrfsic_mount(struct btrfs_fs_info *fs_info, struct btrfs_fs_devices *fs_devices, int including_extent_data, u32 print_mask); -void btrfsic_unmount(struct btrfs_root *root, - struct btrfs_fs_devices *fs_devices); +void btrfsic_unmount(struct btrfs_fs_devices *fs_devices); #endif diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index 750bae4a46da..7f390849343b 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c @@ -85,10 +85,9 @@ static int btrfs_decompress_bio(int type, struct page **pages_in, u64 disk_start, struct bio *orig_bio, size_t srclen); -static inline int compressed_bio_size(struct btrfs_root *root, +static inline int compressed_bio_size(struct btrfs_fs_info *fs_info, unsigned long disk_size) { - struct btrfs_fs_info *fs_info = root->fs_info; u16 csum_size = btrfs_super_csum_size(fs_info->super_copy); return sizeof(struct compressed_bio) + @@ -331,7 +330,6 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start, { struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); struct bio *bio = NULL; - struct btrfs_root *root = BTRFS_I(inode)->root; struct compressed_bio *cb; unsigned long bytes_left; struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree; @@ -343,7 +341,7 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start, int skip_sum = BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM; WARN_ON(start & ((u64)PAGE_SIZE - 1)); - cb = kmalloc(compressed_bio_size(root, compressed_len), GFP_NOFS); + cb = kmalloc(compressed_bio_size(fs_info, compressed_len), GFP_NOFS); if (!cb) return -ENOMEM; atomic_set(&cb->pending_bios, 0); @@ -398,12 +396,11 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start, BUG_ON(ret); /* -ENOMEM */ if (!skip_sum) { - ret = btrfs_csum_one_bio(root, inode, bio, - start, 1); + ret = btrfs_csum_one_bio(inode, bio, start, 1); BUG_ON(ret); /* -ENOMEM */ } - ret = btrfs_map_bio(root, bio, 0, 1); + ret = btrfs_map_bio(fs_info, bio, 0, 1); if (ret) { bio->bi_error = ret; bio_endio(bio); @@ -433,11 +430,11 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start, BUG_ON(ret); /* -ENOMEM */ if (!skip_sum) { - ret = btrfs_csum_one_bio(root, inode, bio, start, 1); + ret = btrfs_csum_one_bio(inode, bio, start, 1); BUG_ON(ret); /* -ENOMEM */ } - ret = btrfs_map_bio(root, bio, 0, 1); + ret = btrfs_map_bio(fs_info, bio, 0, 1); if (ret) { bio->bi_error = ret; bio_endio(bio); @@ -581,7 +578,6 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, struct extent_io_tree *tree; struct extent_map_tree *em_tree; struct compressed_bio *cb; - struct btrfs_root *root = BTRFS_I(inode)->root; unsigned long compressed_len; unsigned long nr_pages; unsigned long pg_index; @@ -609,7 +605,7 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, return -EIO; compressed_len = em->block_len; - cb = kmalloc(compressed_bio_size(root, compressed_len), GFP_NOFS); + cb = kmalloc(compressed_bio_size(fs_info, compressed_len), GFP_NOFS); if (!cb) goto out; @@ -694,14 +690,14 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, atomic_inc(&cb->pending_bios); if (!(BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM)) { - ret = btrfs_lookup_bio_sums(root, inode, - comp_bio, sums); + ret = btrfs_lookup_bio_sums(inode, comp_bio, + sums); BUG_ON(ret); /* -ENOMEM */ } sums += DIV_ROUND_UP(comp_bio->bi_iter.bi_size, fs_info->sectorsize); - ret = btrfs_map_bio(root, comp_bio, mirror_num, 0); + ret = btrfs_map_bio(fs_info, comp_bio, mirror_num, 0); if (ret) { comp_bio->bi_error = ret; bio_endio(comp_bio); @@ -726,11 +722,11 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, BUG_ON(ret); /* -ENOMEM */ if (!(BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM)) { - ret = btrfs_lookup_bio_sums(root, inode, comp_bio, sums); + ret = btrfs_lookup_bio_sums(inode, comp_bio, sums); BUG_ON(ret); /* -ENOMEM */ } - ret = btrfs_map_bio(root, comp_bio, mirror_num, 0); + ret = btrfs_map_bio(fs_info, comp_bio, mirror_num, 0); if (ret) { comp_bio->bi_error = ret; bio_endio(comp_bio); diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index b29c8d82e741..a426dc822d4d 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -32,10 +32,11 @@ static int split_leaf(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct btrfs_key *ins_key, struct btrfs_path *path, int data_size, int extend); static int push_node_left(struct btrfs_trans_handle *trans, - struct btrfs_root *root, struct extent_buffer *dst, + struct btrfs_fs_info *fs_info, + struct extent_buffer *dst, struct extent_buffer *src, int empty); static int balance_node_right(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, struct extent_buffer *dst_buf, struct extent_buffer *src_buf); static void del_ptr(struct btrfs_root *root, struct btrfs_path *path, @@ -1005,7 +1006,7 @@ static noinline int update_ref_for_cow(struct btrfs_trans_handle *trans, */ if (btrfs_block_can_be_shared(root, buf)) { - ret = btrfs_lookup_extent_info(trans, root, buf->start, + ret = btrfs_lookup_extent_info(trans, fs_info, buf->start, btrfs_header_level(buf), 1, &refs, &flags); if (ret) @@ -1055,7 +1056,7 @@ static noinline int update_ref_for_cow(struct btrfs_trans_handle *trans, if (new_flags != 0) { int level = btrfs_header_level(buf); - ret = btrfs_set_disk_extent_flags(trans, root, + ret = btrfs_set_disk_extent_flags(trans, fs_info, buf->start, buf->len, new_flags, level, 0); @@ -1431,7 +1432,7 @@ get_old_root(struct btrfs_root *root, u64 time_seq) if (old_root && tm && tm->op != MOD_LOG_KEY_REMOVE_WHILE_FREEING) { btrfs_tree_read_unlock(eb_root); free_extent_buffer(eb_root); - old = read_tree_block(root, logical, 0); + old = read_tree_block(fs_info, logical, 0); if (WARN_ON(IS_ERR(old) || !extent_buffer_uptodate(old))) { if (!IS_ERR(old)) free_extent_buffer(old); @@ -1682,7 +1683,7 @@ int btrfs_realloc_node(struct btrfs_trans_handle *trans, uptodate = 0; if (!cur || !uptodate) { if (!cur) { - cur = read_tree_block(root, blocknr, gen); + cur = read_tree_block(fs_info, blocknr, gen); if (IS_ERR(cur)) { return PTR_ERR(cur); } else if (!extent_buffer_uptodate(cur)) { @@ -1843,8 +1844,9 @@ static void root_sub_used(struct btrfs_root *root, u32 size) /* given a node and slot number, this reads the blocks it points to. The * extent buffer is returned with a reference taken (but unlocked). */ -static noinline struct extent_buffer *read_node_slot(struct btrfs_root *root, - struct extent_buffer *parent, int slot) +static noinline struct extent_buffer * +read_node_slot(struct btrfs_fs_info *fs_info, struct extent_buffer *parent, + int slot) { int level = btrfs_header_level(parent); struct extent_buffer *eb; @@ -1854,7 +1856,7 @@ static noinline struct extent_buffer *read_node_slot(struct btrfs_root *root, BUG_ON(level == 0); - eb = read_tree_block(root, btrfs_node_blockptr(parent, slot), + eb = read_tree_block(fs_info, btrfs_node_blockptr(parent, slot), btrfs_node_ptr_generation(parent, slot)); if (!IS_ERR(eb) && !extent_buffer_uptodate(eb)) { free_extent_buffer(eb); @@ -1911,7 +1913,7 @@ static noinline int balance_level(struct btrfs_trans_handle *trans, return 0; /* promote the child to a root */ - child = read_node_slot(root, mid, 0); + child = read_node_slot(fs_info, mid, 0); if (IS_ERR(child)) { ret = PTR_ERR(child); btrfs_handle_fs_error(fs_info, ret, NULL); @@ -1950,7 +1952,7 @@ static noinline int balance_level(struct btrfs_trans_handle *trans, BTRFS_NODEPTRS_PER_BLOCK(fs_info) / 4) return 0; - left = read_node_slot(root, parent, pslot - 1); + left = read_node_slot(fs_info, parent, pslot - 1); if (IS_ERR(left)) left = NULL; @@ -1965,7 +1967,7 @@ static noinline int balance_level(struct btrfs_trans_handle *trans, } } - right = read_node_slot(root, parent, pslot + 1); + right = read_node_slot(fs_info, parent, pslot + 1); if (IS_ERR(right)) right = NULL; @@ -1983,7 +1985,7 @@ static noinline int balance_level(struct btrfs_trans_handle *trans, /* first, try to make some room in the middle buffer */ if (left) { orig_slot += btrfs_header_nritems(left); - wret = push_node_left(trans, root, left, mid, 1); + wret = push_node_left(trans, fs_info, left, mid, 1); if (wret < 0) ret = wret; } @@ -1992,7 +1994,7 @@ static noinline int balance_level(struct btrfs_trans_handle *trans, * then try to empty the right most buffer into the middle */ if (right) { - wret = push_node_left(trans, root, mid, right, 1); + wret = push_node_left(trans, fs_info, mid, right, 1); if (wret < 0 && wret != -ENOSPC) ret = wret; if (btrfs_header_nritems(right) == 0) { @@ -2027,13 +2029,13 @@ static noinline int balance_level(struct btrfs_trans_handle *trans, btrfs_handle_fs_error(fs_info, ret, NULL); goto enospc; } - wret = balance_node_right(trans, root, mid, left); + wret = balance_node_right(trans, fs_info, mid, left); if (wret < 0) { ret = wret; goto enospc; } if (wret == 1) { - wret = push_node_left(trans, root, left, mid, 1); + wret = push_node_left(trans, fs_info, left, mid, 1); if (wret < 0) ret = wret; } @@ -2122,7 +2124,7 @@ static noinline int push_nodes_for_insert(struct btrfs_trans_handle *trans, if (!parent) return 1; - left = read_node_slot(root, parent, pslot - 1); + left = read_node_slot(fs_info, parent, pslot - 1); if (IS_ERR(left)) left = NULL; @@ -2142,7 +2144,7 @@ static noinline int push_nodes_for_insert(struct btrfs_trans_handle *trans, if (ret) wret = 1; else { - wret = push_node_left(trans, root, + wret = push_node_left(trans, fs_info, left, mid, 0); } } @@ -2173,7 +2175,7 @@ static noinline int push_nodes_for_insert(struct btrfs_trans_handle *trans, btrfs_tree_unlock(left); free_extent_buffer(left); } - right = read_node_slot(root, parent, pslot + 1); + right = read_node_slot(fs_info, parent, pslot + 1); if (IS_ERR(right)) right = NULL; @@ -2196,7 +2198,7 @@ static noinline int push_nodes_for_insert(struct btrfs_trans_handle *trans, if (ret) wret = 1; else { - wret = balance_node_right(trans, root, + wret = balance_node_right(trans, fs_info, right, mid); } } @@ -2234,11 +2236,10 @@ static noinline int push_nodes_for_insert(struct btrfs_trans_handle *trans, * readahead one full node of leaves, finding things that are close * to the block in 'slot', and triggering ra on them. */ -static void reada_for_search(struct btrfs_root *root, +static void reada_for_search(struct btrfs_fs_info *fs_info, struct btrfs_path *path, int level, int slot, u64 objectid) { - struct btrfs_fs_info *fs_info = root->fs_info; struct extent_buffer *node; struct btrfs_disk_key disk_key; u32 nritems; @@ -2289,7 +2290,7 @@ static void reada_for_search(struct btrfs_root *root, search = btrfs_node_blockptr(node, nr); if ((search <= target && target - search <= 65536) || (search > target && search - target <= 65536)) { - readahead_tree_block(root, search); + readahead_tree_block(fs_info, search); nread += blocksize; } nscan++; @@ -2298,10 +2299,9 @@ static void reada_for_search(struct btrfs_root *root, } } -static noinline void reada_for_balance(struct btrfs_root *root, +static noinline void reada_for_balance(struct btrfs_fs_info *fs_info, struct btrfs_path *path, int level) { - struct btrfs_fs_info *fs_info = root->fs_info; int slot; int nritems; struct extent_buffer *parent; @@ -2340,9 +2340,9 @@ static noinline void reada_for_balance(struct btrfs_root *root, } if (block1) - readahead_tree_block(root, block1); + readahead_tree_block(fs_info, block1); if (block2) - readahead_tree_block(root, block2); + readahead_tree_block(fs_info, block2); } @@ -2491,12 +2491,12 @@ read_block_for_search(struct btrfs_trans_handle *trans, free_extent_buffer(tmp); if (p->reada != READA_NONE) - reada_for_search(root, p, level, slot, key->objectid); + reada_for_search(fs_info, p, level, slot, key->objectid); btrfs_release_path(p); ret = -EAGAIN; - tmp = read_tree_block(root, blocknr, 0); + tmp = read_tree_block(fs_info, blocknr, 0); if (!IS_ERR(tmp)) { /* * If the read above didn't mark this buffer up to date, @@ -2542,7 +2542,7 @@ setup_nodes_for_search(struct btrfs_trans_handle *trans, } btrfs_set_path_blocking(p); - reada_for_balance(root, p, level); + reada_for_balance(fs_info, p, level); sret = split_node(trans, root, p, level); btrfs_clear_path_blocking(p, NULL, 0); @@ -2563,7 +2563,7 @@ setup_nodes_for_search(struct btrfs_trans_handle *trans, } btrfs_set_path_blocking(p); - reada_for_balance(root, p, level); + reada_for_balance(fs_info, p, level); sret = balance_level(trans, root, p, level); btrfs_clear_path_blocking(p, NULL, 0); @@ -2905,7 +2905,7 @@ cow_done: } else { p->slots[level] = slot; if (ins_len > 0 && - btrfs_leaf_free_space(root, b) < ins_len) { + btrfs_leaf_free_space(fs_info, b) < ins_len) { if (write_lock_level < 1) { write_lock_level = 1; btrfs_release_path(p); @@ -3198,10 +3198,10 @@ void btrfs_set_item_key_safe(struct btrfs_fs_info *fs_info, * error, and > 0 if there was no room in the left hand block. */ static int push_node_left(struct btrfs_trans_handle *trans, - struct btrfs_root *root, struct extent_buffer *dst, + struct btrfs_fs_info *fs_info, + struct extent_buffer *dst, struct extent_buffer *src, int empty) { - struct btrfs_fs_info *fs_info = root->fs_info; int push_items = 0; int src_nritems; int dst_nritems; @@ -3273,11 +3273,10 @@ static int push_node_left(struct btrfs_trans_handle *trans, * this will only push up to 1/2 the contents of the left node over */ static int balance_node_right(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, struct extent_buffer *dst, struct extent_buffer *src) { - struct btrfs_fs_info *fs_info = root->fs_info; int push_items = 0; int max_push; int src_nritems; @@ -3407,11 +3406,10 @@ static noinline int insert_new_root(struct btrfs_trans_handle *trans, * blocknr is the block the key points to. */ static void insert_ptr(struct btrfs_trans_handle *trans, - struct btrfs_root *root, struct btrfs_path *path, + struct btrfs_fs_info *fs_info, struct btrfs_path *path, struct btrfs_disk_key *key, u64 bytenr, int slot, int level) { - struct btrfs_fs_info *fs_info = root->fs_info; struct extent_buffer *lower; int nritems; int ret; @@ -3527,7 +3525,7 @@ static noinline int split_node(struct btrfs_trans_handle *trans, btrfs_mark_buffer_dirty(c); btrfs_mark_buffer_dirty(split); - insert_ptr(trans, root, path, &disk_key, split->start, + insert_ptr(trans, fs_info, path, &disk_key, split->start, path->slots[level + 1] + 1, level + 1); if (path->slots[level] >= mid) { @@ -3575,10 +3573,9 @@ static int leaf_space_used(struct extent_buffer *l, int start, int nr) * the start of the leaf data. IOW, how much room * the leaf has left for both items and data */ -noinline int btrfs_leaf_free_space(struct btrfs_root *root, +noinline int btrfs_leaf_free_space(struct btrfs_fs_info *fs_info, struct extent_buffer *leaf) { - struct btrfs_fs_info *fs_info = root->fs_info; int nritems = btrfs_header_nritems(leaf); int ret; @@ -3598,14 +3595,13 @@ noinline int btrfs_leaf_free_space(struct btrfs_root *root, * right. We'll push up to and including min_slot, but no lower */ static noinline int __push_leaf_right(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, struct btrfs_path *path, int data_size, int empty, struct extent_buffer *right, int free_space, u32 left_nritems, u32 min_slot) { - struct btrfs_fs_info *fs_info = root->fs_info; struct extent_buffer *left = path->nodes[0]; struct extent_buffer *upper = path->nodes[1]; struct btrfs_map_token token; @@ -3639,7 +3635,7 @@ static noinline int __push_leaf_right(struct btrfs_trans_handle *trans, if (path->slots[0] > i) break; if (path->slots[0] == i) { - int space = btrfs_leaf_free_space(root, left); + int space = btrfs_leaf_free_space(fs_info, left); if (space + push_space * 2 > free_space) break; } @@ -3668,10 +3664,10 @@ static noinline int __push_leaf_right(struct btrfs_trans_handle *trans, right_nritems = btrfs_header_nritems(right); push_space = btrfs_item_end_nr(left, left_nritems - push_items); - push_space -= leaf_data_end(root, left); + push_space -= leaf_data_end(fs_info, left); /* make room in the right data area */ - data_end = leaf_data_end(root, right); + data_end = leaf_data_end(fs_info, right); memmove_extent_buffer(right, btrfs_leaf_data(right) + data_end - push_space, btrfs_leaf_data(right) + data_end, @@ -3680,7 +3676,7 @@ static noinline int __push_leaf_right(struct btrfs_trans_handle *trans, /* copy from the left data area */ copy_extent_buffer(right, left, btrfs_leaf_data(right) + BTRFS_LEAF_DATA_SIZE(fs_info) - push_space, - btrfs_leaf_data(left) + leaf_data_end(root, left), + btrfs_leaf_data(left) + leaf_data_end(fs_info, left), push_space); memmove_extent_buffer(right, btrfs_item_nr_offset(push_items), @@ -3752,6 +3748,7 @@ static int push_leaf_right(struct btrfs_trans_handle *trans, struct btrfs_root int min_data_size, int data_size, int empty, u32 min_slot) { + struct btrfs_fs_info *fs_info = root->fs_info; struct extent_buffer *left = path->nodes[0]; struct extent_buffer *right; struct extent_buffer *upper; @@ -3770,7 +3767,7 @@ static int push_leaf_right(struct btrfs_trans_handle *trans, struct btrfs_root btrfs_assert_tree_locked(path->nodes[1]); - right = read_node_slot(root, upper, slot + 1); + right = read_node_slot(fs_info, upper, slot + 1); /* * slot + 1 is not valid or we fail to read the right node, * no big deal, just return. @@ -3781,7 +3778,7 @@ static int push_leaf_right(struct btrfs_trans_handle *trans, struct btrfs_root btrfs_tree_lock(right); btrfs_set_lock_blocking(right); - free_space = btrfs_leaf_free_space(root, right); + free_space = btrfs_leaf_free_space(fs_info, right); if (free_space < data_size) goto out_unlock; @@ -3791,7 +3788,7 @@ static int push_leaf_right(struct btrfs_trans_handle *trans, struct btrfs_root if (ret) goto out_unlock; - free_space = btrfs_leaf_free_space(root, right); + free_space = btrfs_leaf_free_space(fs_info, right); if (free_space < data_size) goto out_unlock; @@ -3812,7 +3809,7 @@ static int push_leaf_right(struct btrfs_trans_handle *trans, struct btrfs_root return 0; } - return __push_leaf_right(trans, root, path, min_data_size, empty, + return __push_leaf_right(trans, fs_info, path, min_data_size, empty, right, free_space, left_nritems, min_slot); out_unlock: btrfs_tree_unlock(right); @@ -3829,13 +3826,12 @@ out_unlock: * items */ static noinline int __push_leaf_left(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, struct btrfs_path *path, int data_size, int empty, struct extent_buffer *left, int free_space, u32 right_nritems, u32 max_slot) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_disk_key disk_key; struct extent_buffer *right = path->nodes[0]; int i; @@ -3863,7 +3859,7 @@ static noinline int __push_leaf_left(struct btrfs_trans_handle *trans, if (path->slots[0] < i) break; if (path->slots[0] == i) { - int space = btrfs_leaf_free_space(root, right); + int space = btrfs_leaf_free_space(fs_info, right); if (space + push_space * 2 > free_space) break; } @@ -3896,7 +3892,7 @@ static noinline int __push_leaf_left(struct btrfs_trans_handle *trans, btrfs_item_offset_nr(right, push_items - 1); copy_extent_buffer(left, right, btrfs_leaf_data(left) + - leaf_data_end(root, left) - push_space, + leaf_data_end(fs_info, left) - push_space, btrfs_leaf_data(right) + btrfs_item_offset_nr(right, push_items - 1), push_space); @@ -3923,11 +3919,11 @@ static noinline int __push_leaf_left(struct btrfs_trans_handle *trans, if (push_items < right_nritems) { push_space = btrfs_item_offset_nr(right, push_items - 1) - - leaf_data_end(root, right); + leaf_data_end(fs_info, right); memmove_extent_buffer(right, btrfs_leaf_data(right) + BTRFS_LEAF_DATA_SIZE(fs_info) - push_space, btrfs_leaf_data(right) + - leaf_data_end(root, right), push_space); + leaf_data_end(fs_info, right), push_space); memmove_extent_buffer(right, btrfs_item_nr_offset(0), btrfs_item_nr_offset(push_items), @@ -3986,6 +3982,7 @@ static int push_leaf_left(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct btrfs_path *path, int min_data_size, int data_size, int empty, u32 max_slot) { + struct btrfs_fs_info *fs_info = root->fs_info; struct extent_buffer *right = path->nodes[0]; struct extent_buffer *left; int slot; @@ -4005,7 +4002,7 @@ static int push_leaf_left(struct btrfs_trans_handle *trans, struct btrfs_root btrfs_assert_tree_locked(path->nodes[1]); - left = read_node_slot(root, path->nodes[1], slot - 1); + left = read_node_slot(fs_info, path->nodes[1], slot - 1); /* * slot - 1 is not valid or we fail to read the left node, * no big deal, just return. @@ -4016,7 +4013,7 @@ static int push_leaf_left(struct btrfs_trans_handle *trans, struct btrfs_root btrfs_tree_lock(left); btrfs_set_lock_blocking(left); - free_space = btrfs_leaf_free_space(root, left); + free_space = btrfs_leaf_free_space(fs_info, left); if (free_space < data_size) { ret = 1; goto out; @@ -4032,13 +4029,13 @@ static int push_leaf_left(struct btrfs_trans_handle *trans, struct btrfs_root goto out; } - free_space = btrfs_leaf_free_space(root, left); + free_space = btrfs_leaf_free_space(fs_info, left); if (free_space < data_size) { ret = 1; goto out; } - return __push_leaf_left(trans, root, path, min_data_size, + return __push_leaf_left(trans, fs_info, path, min_data_size, empty, left, free_space, right_nritems, max_slot); out: @@ -4052,13 +4049,12 @@ out: * available for the resulting leaf level of the path. */ static noinline void copy_for_split(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, struct btrfs_path *path, struct extent_buffer *l, struct extent_buffer *right, int slot, int mid, int nritems) { - struct btrfs_fs_info *fs_info = root->fs_info; int data_copy_size; int rt_data_off; int i; @@ -4069,7 +4065,7 @@ static noinline void copy_for_split(struct btrfs_trans_handle *trans, nritems = nritems - mid; btrfs_set_header_nritems(right, nritems); - data_copy_size = btrfs_item_end_nr(l, mid) - leaf_data_end(root, l); + data_copy_size = btrfs_item_end_nr(l, mid) - leaf_data_end(fs_info, l); copy_extent_buffer(right, l, btrfs_item_nr_offset(0), btrfs_item_nr_offset(mid), @@ -4078,7 +4074,7 @@ static noinline void copy_for_split(struct btrfs_trans_handle *trans, copy_extent_buffer(right, l, btrfs_leaf_data(right) + BTRFS_LEAF_DATA_SIZE(fs_info) - data_copy_size, btrfs_leaf_data(l) + - leaf_data_end(root, l), data_copy_size); + leaf_data_end(fs_info, l), data_copy_size); rt_data_off = BTRFS_LEAF_DATA_SIZE(fs_info) - btrfs_item_end_nr(l, mid); @@ -4093,7 +4089,7 @@ static noinline void copy_for_split(struct btrfs_trans_handle *trans, btrfs_set_header_nritems(l, mid); btrfs_item_key(right, &disk_key, 0); - insert_ptr(trans, root, path, &disk_key, right->start, + insert_ptr(trans, fs_info, path, &disk_key, right->start, path->slots[1] + 1, 1); btrfs_mark_buffer_dirty(right); @@ -4129,6 +4125,7 @@ static noinline int push_for_double_split(struct btrfs_trans_handle *trans, struct btrfs_path *path, int data_size) { + struct btrfs_fs_info *fs_info = root->fs_info; int ret; int progress = 0; int slot; @@ -4137,7 +4134,7 @@ static noinline int push_for_double_split(struct btrfs_trans_handle *trans, slot = path->slots[0]; if (slot < btrfs_header_nritems(path->nodes[0])) - space_needed -= btrfs_leaf_free_space(root, path->nodes[0]); + space_needed -= btrfs_leaf_free_space(fs_info, path->nodes[0]); /* * try to push all the items after our slot into the @@ -4158,7 +4155,7 @@ static noinline int push_for_double_split(struct btrfs_trans_handle *trans, if (path->slots[0] == 0 || path->slots[0] == nritems) return 0; - if (btrfs_leaf_free_space(root, path->nodes[0]) >= data_size) + if (btrfs_leaf_free_space(fs_info, path->nodes[0]) >= data_size) return 0; /* try to push all the items before our slot into the next leaf */ @@ -4211,7 +4208,7 @@ static noinline int split_leaf(struct btrfs_trans_handle *trans, int space_needed = data_size; if (slot < btrfs_header_nritems(l)) - space_needed -= btrfs_leaf_free_space(root, l); + space_needed -= btrfs_leaf_free_space(fs_info, l); wret = push_leaf_right(trans, root, path, space_needed, space_needed, 0, 0); @@ -4226,7 +4223,7 @@ static noinline int split_leaf(struct btrfs_trans_handle *trans, l = path->nodes[0]; /* did the pushes work? */ - if (btrfs_leaf_free_space(root, l) >= data_size) + if (btrfs_leaf_free_space(fs_info, l) >= data_size) return 0; } @@ -4303,8 +4300,8 @@ again: if (split == 0) { if (mid <= slot) { btrfs_set_header_nritems(right, 0); - insert_ptr(trans, root, path, &disk_key, right->start, - path->slots[1] + 1, 1); + insert_ptr(trans, fs_info, path, &disk_key, + right->start, path->slots[1] + 1, 1); btrfs_tree_unlock(path->nodes[0]); free_extent_buffer(path->nodes[0]); path->nodes[0] = right; @@ -4312,8 +4309,8 @@ again: path->slots[1] += 1; } else { btrfs_set_header_nritems(right, 0); - insert_ptr(trans, root, path, &disk_key, right->start, - path->slots[1], 1); + insert_ptr(trans, fs_info, path, &disk_key, + right->start, path->slots[1], 1); btrfs_tree_unlock(path->nodes[0]); free_extent_buffer(path->nodes[0]); path->nodes[0] = right; @@ -4329,7 +4326,7 @@ again: return ret; } - copy_for_split(trans, root, path, l, right, slot, mid, nritems); + copy_for_split(trans, fs_info, path, l, right, slot, mid, nritems); if (split == 2) { BUG_ON(num_doubles != 0); @@ -4342,7 +4339,7 @@ again: push_for_double: push_for_double_split(trans, root, path, data_size); tried_avoid_double = 1; - if (btrfs_leaf_free_space(root, path->nodes[0]) >= data_size) + if (btrfs_leaf_free_space(fs_info, path->nodes[0]) >= data_size) return 0; goto again; } @@ -4351,6 +4348,7 @@ static noinline int setup_leaf_for_split(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct btrfs_path *path, int ins_len) { + struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_key key; struct extent_buffer *leaf; struct btrfs_file_extent_item *fi; @@ -4364,7 +4362,7 @@ static noinline int setup_leaf_for_split(struct btrfs_trans_handle *trans, BUG_ON(key.type != BTRFS_EXTENT_DATA_KEY && key.type != BTRFS_EXTENT_CSUM_KEY); - if (btrfs_leaf_free_space(root, leaf) >= ins_len) + if (btrfs_leaf_free_space(fs_info, leaf) >= ins_len) return 0; item_size = btrfs_item_size_nr(leaf, path->slots[0]); @@ -4391,7 +4389,7 @@ static noinline int setup_leaf_for_split(struct btrfs_trans_handle *trans, goto err; /* the leaf has changed, it now has room. return now */ - if (btrfs_leaf_free_space(root, path->nodes[0]) >= ins_len) + if (btrfs_leaf_free_space(fs_info, path->nodes[0]) >= ins_len) goto err; if (key.type == BTRFS_EXTENT_DATA_KEY) { @@ -4415,7 +4413,7 @@ err: } static noinline int split_item(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, struct btrfs_path *path, struct btrfs_key *new_key, unsigned long split_offset) @@ -4431,7 +4429,7 @@ static noinline int split_item(struct btrfs_trans_handle *trans, struct btrfs_disk_key disk_key; leaf = path->nodes[0]; - BUG_ON(btrfs_leaf_free_space(root, leaf) < sizeof(struct btrfs_item)); + BUG_ON(btrfs_leaf_free_space(fs_info, leaf) < sizeof(struct btrfs_item)); btrfs_set_path_blocking(path); @@ -4480,7 +4478,7 @@ static noinline int split_item(struct btrfs_trans_handle *trans, item_size - split_offset); btrfs_mark_buffer_dirty(leaf); - BUG_ON(btrfs_leaf_free_space(root, leaf) < 0); + BUG_ON(btrfs_leaf_free_space(fs_info, leaf) < 0); kfree(buf); return 0; } @@ -4512,7 +4510,7 @@ int btrfs_split_item(struct btrfs_trans_handle *trans, if (ret) return ret; - ret = split_item(trans, root, path, new_key, split_offset); + ret = split_item(trans, root->fs_info, path, new_key, split_offset); return ret; } @@ -4558,10 +4556,9 @@ int btrfs_duplicate_item(struct btrfs_trans_handle *trans, * off the end of the item or if we shift the item to chop bytes off * the front. */ -void btrfs_truncate_item(struct btrfs_root *root, struct btrfs_path *path, - u32 new_size, int from_end) +void btrfs_truncate_item(struct btrfs_fs_info *fs_info, + struct btrfs_path *path, u32 new_size, int from_end) { - struct btrfs_fs_info *fs_info = root->fs_info; int slot; struct extent_buffer *leaf; struct btrfs_item *item; @@ -4583,7 +4580,7 @@ void btrfs_truncate_item(struct btrfs_root *root, struct btrfs_path *path, return; nritems = btrfs_header_nritems(leaf); - data_end = leaf_data_end(root, leaf); + data_end = leaf_data_end(fs_info, leaf); old_data_start = btrfs_item_offset_nr(leaf, slot); @@ -4649,8 +4646,8 @@ void btrfs_truncate_item(struct btrfs_root *root, struct btrfs_path *path, btrfs_set_item_size(leaf, item, new_size); btrfs_mark_buffer_dirty(leaf); - if (btrfs_leaf_free_space(root, leaf) < 0) { - btrfs_print_leaf(root, leaf); + if (btrfs_leaf_free_space(fs_info, leaf) < 0) { + btrfs_print_leaf(fs_info, leaf); BUG(); } } @@ -4658,10 +4655,9 @@ void btrfs_truncate_item(struct btrfs_root *root, struct btrfs_path *path, /* * make the item pointed to by the path bigger, data_size is the added size. */ -void btrfs_extend_item(struct btrfs_root *root, struct btrfs_path *path, +void btrfs_extend_item(struct btrfs_fs_info *fs_info, struct btrfs_path *path, u32 data_size) { - struct btrfs_fs_info *fs_info = root->fs_info; int slot; struct extent_buffer *leaf; struct btrfs_item *item; @@ -4677,10 +4673,10 @@ void btrfs_extend_item(struct btrfs_root *root, struct btrfs_path *path, leaf = path->nodes[0]; nritems = btrfs_header_nritems(leaf); - data_end = leaf_data_end(root, leaf); + data_end = leaf_data_end(fs_info, leaf); - if (btrfs_leaf_free_space(root, leaf) < data_size) { - btrfs_print_leaf(root, leaf); + if (btrfs_leaf_free_space(fs_info, leaf) < data_size) { + btrfs_print_leaf(fs_info, leaf); BUG(); } slot = path->slots[0]; @@ -4688,7 +4684,7 @@ void btrfs_extend_item(struct btrfs_root *root, struct btrfs_path *path, BUG_ON(slot < 0); if (slot >= nritems) { - btrfs_print_leaf(root, leaf); + btrfs_print_leaf(fs_info, leaf); btrfs_crit(fs_info, "slot %d too large, nritems %d", slot, nritems); BUG_ON(1); @@ -4718,8 +4714,8 @@ void btrfs_extend_item(struct btrfs_root *root, struct btrfs_path *path, btrfs_set_item_size(leaf, item, old_size + data_size); btrfs_mark_buffer_dirty(leaf); - if (btrfs_leaf_free_space(root, leaf) < 0) { - btrfs_print_leaf(root, leaf); + if (btrfs_leaf_free_space(fs_info, leaf) < 0) { + btrfs_print_leaf(fs_info, leaf); BUG(); } } @@ -4755,12 +4751,12 @@ void setup_items_for_insert(struct btrfs_root *root, struct btrfs_path *path, slot = path->slots[0]; nritems = btrfs_header_nritems(leaf); - data_end = leaf_data_end(root, leaf); + data_end = leaf_data_end(fs_info, leaf); - if (btrfs_leaf_free_space(root, leaf) < total_size) { - btrfs_print_leaf(root, leaf); + if (btrfs_leaf_free_space(fs_info, leaf) < total_size) { + btrfs_print_leaf(fs_info, leaf); btrfs_crit(fs_info, "not enough freespace need %u have %d", - total_size, btrfs_leaf_free_space(root, leaf)); + total_size, btrfs_leaf_free_space(fs_info, leaf)); BUG(); } @@ -4768,7 +4764,7 @@ void setup_items_for_insert(struct btrfs_root *root, struct btrfs_path *path, unsigned int old_data = btrfs_item_end_nr(leaf, slot); if (old_data < data_end) { - btrfs_print_leaf(root, leaf); + btrfs_print_leaf(fs_info, leaf); btrfs_crit(fs_info, "slot %d old_data %d data_end %d", slot, old_data, data_end); BUG_ON(1); @@ -4811,8 +4807,8 @@ void setup_items_for_insert(struct btrfs_root *root, struct btrfs_path *path, btrfs_set_header_nritems(leaf, nritems + nr); btrfs_mark_buffer_dirty(leaf); - if (btrfs_leaf_free_space(root, leaf) < 0) { - btrfs_print_leaf(root, leaf); + if (btrfs_leaf_free_space(fs_info, leaf) < 0) { + btrfs_print_leaf(fs_info, leaf); BUG(); } } @@ -4982,7 +4978,7 @@ int btrfs_del_items(struct btrfs_trans_handle *trans, struct btrfs_root *root, nritems = btrfs_header_nritems(leaf); if (slot + nr != nritems) { - int data_end = leaf_data_end(root, leaf); + int data_end = leaf_data_end(fs_info, leaf); memmove_extent_buffer(leaf, btrfs_leaf_data(leaf) + data_end + dsize, @@ -5145,6 +5141,7 @@ int btrfs_search_forward(struct btrfs_root *root, struct btrfs_key *min_key, struct btrfs_path *path, u64 min_trans) { + struct btrfs_fs_info *fs_info = root->fs_info; struct extent_buffer *cur; struct btrfs_key found_key; int slot; @@ -5221,7 +5218,7 @@ find_next_key: goto out; } btrfs_set_path_blocking(path); - cur = read_node_slot(root, cur, slot); + cur = read_node_slot(fs_info, cur, slot); if (IS_ERR(cur)) { ret = PTR_ERR(cur); goto out; @@ -5244,14 +5241,14 @@ out: return ret; } -static int tree_move_down(struct btrfs_root *root, +static int tree_move_down(struct btrfs_fs_info *fs_info, struct btrfs_path *path, int *level, int root_level) { struct extent_buffer *eb; BUG_ON(*level == 0); - eb = read_node_slot(root, path->nodes[*level], path->slots[*level]); + eb = read_node_slot(fs_info, path->nodes[*level], path->slots[*level]); if (IS_ERR(eb)) return PTR_ERR(eb); @@ -5261,7 +5258,7 @@ static int tree_move_down(struct btrfs_root *root, return 0; } -static int tree_move_next_or_upnext(struct btrfs_root *root, +static int tree_move_next_or_upnext(struct btrfs_fs_info *fs_info, struct btrfs_path *path, int *level, int root_level) { @@ -5292,7 +5289,7 @@ static int tree_move_next_or_upnext(struct btrfs_root *root, * Returns 1 if it had to move up and next. 0 is returned if it moved only next * or down. */ -static int tree_advance(struct btrfs_root *root, +static int tree_advance(struct btrfs_fs_info *fs_info, struct btrfs_path *path, int *level, int root_level, int allow_down, @@ -5301,9 +5298,10 @@ static int tree_advance(struct btrfs_root *root, int ret; if (*level == 0 || !allow_down) { - ret = tree_move_next_or_upnext(root, path, level, root_level); + ret = tree_move_next_or_upnext(fs_info, path, level, + root_level); } else { - ret = tree_move_down(root, path, level, root_level); + ret = tree_move_down(fs_info, path, level, root_level); } if (ret >= 0) { if (*level == 0) @@ -5316,8 +5314,7 @@ static int tree_advance(struct btrfs_root *root, return ret; } -static int tree_compare_item(struct btrfs_root *left_root, - struct btrfs_path *left_path, +static int tree_compare_item(struct btrfs_path *left_path, struct btrfs_path *right_path, char *tmp_buf) { @@ -5474,7 +5471,7 @@ int btrfs_compare_trees(struct btrfs_root *left_root, while (1) { if (advance_left && !left_end_reached) { - ret = tree_advance(left_root, left_path, &left_level, + ret = tree_advance(fs_info, left_path, &left_level, left_root_level, advance_left != ADVANCE_ONLY_NEXT, &left_key); @@ -5485,7 +5482,7 @@ int btrfs_compare_trees(struct btrfs_root *left_root, advance_left = 0; } if (advance_right && !right_end_reached) { - ret = tree_advance(right_root, right_path, &right_level, + ret = tree_advance(fs_info, right_path, &right_level, right_root_level, advance_right != ADVANCE_ONLY_NEXT, &right_key); @@ -5549,8 +5546,8 @@ int btrfs_compare_trees(struct btrfs_root *left_root, enum btrfs_compare_tree_result result; WARN_ON(!extent_buffer_uptodate(left_path->nodes[0])); - ret = tree_compare_item(left_root, left_path, - right_path, tmp_buf); + ret = tree_compare_item(left_path, right_path, + tmp_buf); if (ret) result = BTRFS_COMPARE_TREE_CHANGED; else diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 860103020ac9..fc1864acb368 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -1349,10 +1349,9 @@ static inline u32 BTRFS_MAX_XATTR_SIZE(const struct btrfs_fs_info *info) #ifdef CONFIG_BTRFS_DEBUG static inline int -btrfs_should_fragment_free_space(struct btrfs_root *root, - struct btrfs_block_group_cache *block_group) +btrfs_should_fragment_free_space(struct btrfs_block_group_cache *block_group) { - struct btrfs_fs_info *fs_info = root->fs_info; + struct btrfs_fs_info *fs_info = block_group->fs_info; return (btrfs_test_opt(fs_info, FRAGMENT_METADATA) && block_group->flags & BTRFS_BLOCK_GROUP_METADATA) || @@ -2311,10 +2310,9 @@ static inline unsigned long btrfs_leaf_data(struct extent_buffer *l) * this returns the address of the start of the last item, * which is the stop of the leaf data stack */ -static inline unsigned int leaf_data_end(struct btrfs_root *root, +static inline unsigned int leaf_data_end(struct btrfs_fs_info *fs_info, struct extent_buffer *leaf) { - struct btrfs_fs_info *fs_info = root->fs_info; u32 nr = btrfs_header_nritems(leaf); if (nr == 0) @@ -2536,7 +2534,7 @@ static inline gfp_t btrfs_alloc_write_mask(struct address_space *mapping) /* extent-tree.c */ -u64 btrfs_csum_bytes_to_leaves(struct btrfs_root *root, u64 csum_bytes); +u64 btrfs_csum_bytes_to_leaves(struct btrfs_fs_info *fs_info, u64 csum_bytes); static inline u64 btrfs_calc_trans_metadata_size(struct btrfs_fs_info *fs_info, unsigned num_items) @@ -2555,9 +2553,9 @@ static inline u64 btrfs_calc_trunc_metadata_size(struct btrfs_fs_info *fs_info, } int btrfs_should_throttle_delayed_refs(struct btrfs_trans_handle *trans, - struct btrfs_root *root); + struct btrfs_fs_info *fs_info); int btrfs_check_space_for_delayed_refs(struct btrfs_trans_handle *trans, - struct btrfs_root *root); + struct btrfs_fs_info *fs_info); void btrfs_dec_block_group_reservations(struct btrfs_fs_info *fs_info, const u64 start); void btrfs_wait_block_group_reservations(struct btrfs_block_group_cache *bg); @@ -2566,18 +2564,18 @@ void btrfs_dec_nocow_writers(struct btrfs_fs_info *fs_info, u64 bytenr); void btrfs_wait_nocow_writers(struct btrfs_block_group_cache *bg); void btrfs_put_block_group(struct btrfs_block_group_cache *cache); int btrfs_run_delayed_refs(struct btrfs_trans_handle *trans, - struct btrfs_root *root, unsigned long count); -int btrfs_async_run_delayed_refs(struct btrfs_root *root, + struct btrfs_fs_info *fs_info, unsigned long count); +int btrfs_async_run_delayed_refs(struct btrfs_fs_info *fs_info, unsigned long count, u64 transid, int wait); -int btrfs_lookup_data_extent(struct btrfs_root *root, u64 start, u64 len); +int btrfs_lookup_data_extent(struct btrfs_fs_info *fs_info, u64 start, u64 len); int btrfs_lookup_extent_info(struct btrfs_trans_handle *trans, - struct btrfs_root *root, u64 bytenr, + struct btrfs_fs_info *fs_info, u64 bytenr, u64 offset, int metadata, u64 *refs, u64 *flags); -int btrfs_pin_extent(struct btrfs_root *root, +int btrfs_pin_extent(struct btrfs_fs_info *fs_info, u64 bytenr, u64 num, int reserved); -int btrfs_pin_extent_for_log_replay(struct btrfs_root *root, +int btrfs_pin_extent_for_log_replay(struct btrfs_fs_info *fs_info, u64 bytenr, u64 num_bytes); -int btrfs_exclude_logged_extents(struct btrfs_root *root, +int btrfs_exclude_logged_extents(struct btrfs_fs_info *fs_info, struct extent_buffer *eb); int btrfs_cross_ref_exist(struct btrfs_trans_handle *trans, struct btrfs_root *root, @@ -2598,12 +2596,11 @@ void btrfs_free_tree_block(struct btrfs_trans_handle *trans, struct extent_buffer *buf, u64 parent, int last_ref); int btrfs_alloc_reserved_file_extent(struct btrfs_trans_handle *trans, - struct btrfs_root *root, u64 root_objectid, u64 owner, u64 offset, u64 ram_bytes, struct btrfs_key *ins); int btrfs_alloc_logged_file_extent(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, u64 root_objectid, u64 owner, u64 offset, struct btrfs_key *ins); int btrfs_reserve_extent(struct btrfs_root *root, u64 ram_bytes, u64 num_bytes, @@ -2614,39 +2611,39 @@ int btrfs_inc_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root, int btrfs_dec_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct extent_buffer *buf, int full_backref); int btrfs_set_disk_extent_flags(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, u64 bytenr, u64 num_bytes, u64 flags, int level, int is_data); int btrfs_free_extent(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, u64 bytenr, u64 num_bytes, u64 parent, u64 root_objectid, u64 owner, u64 offset); -int btrfs_free_reserved_extent(struct btrfs_root *root, u64 start, u64 len, - int delalloc); -int btrfs_free_and_pin_reserved_extent(struct btrfs_root *root, +int btrfs_free_reserved_extent(struct btrfs_fs_info *fs_info, + u64 start, u64 len, int delalloc); +int btrfs_free_and_pin_reserved_extent(struct btrfs_fs_info *fs_info, u64 start, u64 len); void btrfs_prepare_extent_commit(struct btrfs_trans_handle *trans, - struct btrfs_root *root); + struct btrfs_fs_info *fs_info); int btrfs_finish_extent_commit(struct btrfs_trans_handle *trans, - struct btrfs_root *root); + struct btrfs_fs_info *fs_info); int btrfs_inc_extent_ref(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, u64 bytenr, u64 num_bytes, u64 parent, u64 root_objectid, u64 owner, u64 offset); int btrfs_start_dirty_block_groups(struct btrfs_trans_handle *trans, - struct btrfs_root *root); + struct btrfs_fs_info *fs_info); int btrfs_write_dirty_block_groups(struct btrfs_trans_handle *trans, - struct btrfs_root *root); + struct btrfs_fs_info *fs_info); int btrfs_setup_space_cache(struct btrfs_trans_handle *trans, - struct btrfs_root *root); -int btrfs_extent_readonly(struct btrfs_root *root, u64 bytenr); + struct btrfs_fs_info *fs_info); +int btrfs_extent_readonly(struct btrfs_fs_info *fs_info, u64 bytenr); int btrfs_free_block_groups(struct btrfs_fs_info *info); int btrfs_read_block_groups(struct btrfs_fs_info *info); int btrfs_can_relocate(struct btrfs_fs_info *fs_info, u64 bytenr); int btrfs_make_block_group(struct btrfs_trans_handle *trans, - struct btrfs_root *root, u64 bytes_used, + struct btrfs_fs_info *fs_info, u64 bytes_used, u64 type, u64 chunk_objectid, u64 chunk_offset, u64 size); struct btrfs_trans_handle *btrfs_start_trans_remove_block_group( @@ -2659,7 +2656,7 @@ void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info); void btrfs_get_block_group_trimming(struct btrfs_block_group_cache *cache); void btrfs_put_block_group_trimming(struct btrfs_block_group_cache *cache); void btrfs_create_pending_block_groups(struct btrfs_trans_handle *trans, - struct btrfs_root *root); + struct btrfs_fs_info *fs_info); u64 btrfs_get_alloc_profile(struct btrfs_root *root, int data); void btrfs_clear_space_info_full(struct btrfs_fs_info *info); @@ -2689,7 +2686,7 @@ void btrfs_free_reserved_data_space(struct inode *inode, u64 start, u64 len); void btrfs_free_reserved_data_space_noquota(struct inode *inode, u64 start, u64 len); void btrfs_trans_release_metadata(struct btrfs_trans_handle *trans, - struct btrfs_root *root); + struct btrfs_fs_info *fs_info); void btrfs_trans_release_chunk_metadata(struct btrfs_trans_handle *trans); int btrfs_orphan_reserve_metadata(struct btrfs_trans_handle *trans, struct inode *inode); @@ -2698,7 +2695,7 @@ int btrfs_subvolume_reserve_metadata(struct btrfs_root *root, struct btrfs_block_rsv *rsv, int nitems, u64 *qgroup_reserved, bool use_global_rsv); -void btrfs_subvolume_release_metadata(struct btrfs_root *root, +void btrfs_subvolume_release_metadata(struct btrfs_fs_info *fs_info, struct btrfs_block_rsv *rsv, u64 qgroup_reserved); int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes); @@ -2706,16 +2703,15 @@ void btrfs_delalloc_release_metadata(struct inode *inode, u64 num_bytes); int btrfs_delalloc_reserve_space(struct inode *inode, u64 start, u64 len); void btrfs_delalloc_release_space(struct inode *inode, u64 start, u64 len); void btrfs_init_block_rsv(struct btrfs_block_rsv *rsv, unsigned short type); -struct btrfs_block_rsv *btrfs_alloc_block_rsv(struct btrfs_root *root, +struct btrfs_block_rsv *btrfs_alloc_block_rsv(struct btrfs_fs_info *fs_info, unsigned short type); -void btrfs_free_block_rsv(struct btrfs_root *root, +void btrfs_free_block_rsv(struct btrfs_fs_info *fs_info, struct btrfs_block_rsv *rsv); void __btrfs_free_block_rsv(struct btrfs_block_rsv *rsv); int btrfs_block_rsv_add(struct btrfs_root *root, struct btrfs_block_rsv *block_rsv, u64 num_bytes, enum btrfs_reserve_flush_enum flush); -int btrfs_block_rsv_check(struct btrfs_root *root, - struct btrfs_block_rsv *block_rsv, int min_factor); +int btrfs_block_rsv_check(struct btrfs_block_rsv *block_rsv, int min_factor); int btrfs_block_rsv_refill(struct btrfs_root *root, struct btrfs_block_rsv *block_rsv, u64 min_reserved, enum btrfs_reserve_flush_enum flush); @@ -2725,22 +2721,21 @@ int btrfs_block_rsv_migrate(struct btrfs_block_rsv *src_rsv, int btrfs_cond_migrate_bytes(struct btrfs_fs_info *fs_info, struct btrfs_block_rsv *dest, u64 num_bytes, int min_factor); -void btrfs_block_rsv_release(struct btrfs_root *root, +void btrfs_block_rsv_release(struct btrfs_fs_info *fs_info, struct btrfs_block_rsv *block_rsv, u64 num_bytes); int btrfs_inc_block_group_ro(struct btrfs_root *root, struct btrfs_block_group_cache *cache); -void btrfs_dec_block_group_ro(struct btrfs_root *root, - struct btrfs_block_group_cache *cache); +void btrfs_dec_block_group_ro(struct btrfs_block_group_cache *cache); void btrfs_put_block_group_cache(struct btrfs_fs_info *info); u64 btrfs_account_ro_block_groups_free_space(struct btrfs_space_info *sinfo); -int btrfs_error_unpin_extent_range(struct btrfs_root *root, +int btrfs_error_unpin_extent_range(struct btrfs_fs_info *fs_info, u64 start, u64 end); -int btrfs_discard_extent(struct btrfs_root *root, u64 bytenr, +int btrfs_discard_extent(struct btrfs_fs_info *fs_info, u64 bytenr, u64 num_bytes, u64 *actual_bytes); int btrfs_force_chunk_alloc(struct btrfs_trans_handle *trans, - struct btrfs_root *root, u64 type); -int btrfs_trim_fs(struct btrfs_root *root, struct fstrim_range *range); + struct btrfs_fs_info *fs_info, u64 type); +int btrfs_trim_fs(struct btrfs_fs_info *fs_info, struct fstrim_range *range); int btrfs_init_space_info(struct btrfs_fs_info *fs_info); int btrfs_delayed_refs_qgroup_accounting(struct btrfs_trans_handle *trans, @@ -2750,8 +2745,7 @@ int btrfs_start_write_no_snapshoting(struct btrfs_root *root); void btrfs_end_write_no_snapshoting(struct btrfs_root *root); void btrfs_wait_for_snapshot_creation(struct btrfs_root *root); void check_system_chunk(struct btrfs_trans_handle *trans, - struct btrfs_root *root, - const u64 type); + struct btrfs_fs_info *fs_info, const u64 type); u64 add_new_free_space(struct btrfs_block_group_cache *block_group, struct btrfs_fs_info *info, u64 start, u64 end); @@ -2801,10 +2795,10 @@ int btrfs_copy_root(struct btrfs_trans_handle *trans, struct extent_buffer **cow_ret, u64 new_root_objectid); int btrfs_block_can_be_shared(struct btrfs_root *root, struct extent_buffer *buf); -void btrfs_extend_item(struct btrfs_root *root, struct btrfs_path *path, +void btrfs_extend_item(struct btrfs_fs_info *fs_info, struct btrfs_path *path, u32 data_size); -void btrfs_truncate_item(struct btrfs_root *root, struct btrfs_path *path, - u32 new_size, int from_end); +void btrfs_truncate_item(struct btrfs_fs_info *fs_info, + struct btrfs_path *path, u32 new_size, int from_end); int btrfs_split_item(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct btrfs_path *path, @@ -2880,7 +2874,8 @@ static inline int btrfs_next_item(struct btrfs_root *root, struct btrfs_path *p) { return btrfs_next_old_item(root, p, 0); } -int btrfs_leaf_free_space(struct btrfs_root *root, struct extent_buffer *leaf); +int btrfs_leaf_free_space(struct btrfs_fs_info *fs_info, + struct extent_buffer *leaf); int __must_check btrfs_drop_snapshot(struct btrfs_root *root, struct btrfs_block_rsv *block_rsv, int update_ref, int for_reloc); @@ -2906,11 +2901,9 @@ static inline int btrfs_fs_closing(struct btrfs_fs_info *fs_info) * anything except sleeping. This function is used to check the status of * the fs. */ -static inline int btrfs_need_cleaner_sleep(struct btrfs_root *root) +static inline int btrfs_need_cleaner_sleep(struct btrfs_fs_info *fs_info) { - struct btrfs_fs_info *fs_info = root->fs_info; - - return (fs_info->sb->s_flags & MS_RDONLY || btrfs_fs_closing(fs_info)); + return fs_info->sb->s_flags & MS_RDONLY || btrfs_fs_closing(fs_info); } static inline void free_fs_info(struct btrfs_fs_info *fs_info) @@ -3013,10 +3006,10 @@ struct btrfs_dir_item *btrfs_lookup_xattr(struct btrfs_trans_handle *trans, struct btrfs_path *path, u64 dir, const char *name, u16 name_len, int mod); -int verify_dir_item(struct btrfs_root *root, +int verify_dir_item(struct btrfs_fs_info *fs_info, struct extent_buffer *leaf, struct btrfs_dir_item *dir_item); -struct btrfs_dir_item *btrfs_match_dir_item_name(struct btrfs_root *root, +struct btrfs_dir_item *btrfs_match_dir_item_name(struct btrfs_fs_info *fs_info, struct btrfs_path *path, const char *name, int name_len); @@ -3061,10 +3054,9 @@ int btrfs_find_name_in_ext_backref(struct btrfs_path *path, struct btrfs_dio_private; int btrfs_del_csums(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info, u64 bytenr, u64 len); -int btrfs_lookup_bio_sums(struct btrfs_root *root, struct inode *inode, - struct bio *bio, u32 *dst); -int btrfs_lookup_bio_sums_dio(struct btrfs_root *root, struct inode *inode, - struct bio *bio, u64 logical_offset); +int btrfs_lookup_bio_sums(struct inode *inode, struct bio *bio, u32 *dst); +int btrfs_lookup_bio_sums_dio(struct inode *inode, struct bio *bio, + u64 logical_offset); int btrfs_insert_file_extent(struct btrfs_trans_handle *trans, struct btrfs_root *root, u64 objectid, u64 pos, @@ -3078,8 +3070,8 @@ int btrfs_lookup_file_extent(struct btrfs_trans_handle *trans, int btrfs_csum_file_blocks(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct btrfs_ordered_sum *sums); -int btrfs_csum_one_bio(struct btrfs_root *root, struct inode *inode, - struct bio *bio, u64 file_start, int contig); +int btrfs_csum_one_bio(struct inode *inode, struct bio *bio, + u64 file_start, int contig); int btrfs_lookup_csums_range(struct btrfs_root *root, u64 start, u64 end, struct list_head *list, int search_commit); void btrfs_extent_item_to_extent_map(struct inode *inode, @@ -3182,7 +3174,7 @@ void btrfs_orphan_commit_root(struct btrfs_trans_handle *trans, int btrfs_cont_expand(struct inode *inode, loff_t oldsize, loff_t size); void btrfs_invalidate_inodes(struct btrfs_root *root); void btrfs_add_delayed_iput(struct inode *inode); -void btrfs_run_delayed_iputs(struct btrfs_root *root); +void btrfs_run_delayed_iputs(struct btrfs_fs_info *fs_info); int btrfs_prealloc_file_range(struct inode *inode, int mode, u64 start, u64 num_bytes, u64 min_size, loff_t actual_len, u64 *alloc_hint); @@ -3236,9 +3228,8 @@ int btrfs_drop_extents(struct btrfs_trans_handle *trans, int btrfs_mark_extent_written(struct btrfs_trans_handle *trans, struct inode *inode, u64 start, u64 end); int btrfs_release_file(struct inode *inode, struct file *file); -int btrfs_dirty_pages(struct btrfs_root *root, struct inode *inode, - struct page **pages, size_t num_pages, - loff_t pos, size_t write_bytes, +int btrfs_dirty_pages(struct inode *inode, struct page **pages, + size_t num_pages, loff_t pos, size_t write_bytes, struct extent_state **cached); int btrfs_fdatawrite_range(struct inode *inode, loff_t start, loff_t end); ssize_t btrfs_copy_file_range(struct file *file_in, loff_t pos_in, @@ -3261,7 +3252,7 @@ void btrfs_sysfs_remove_mounted(struct btrfs_fs_info *fs_info); ssize_t btrfs_listxattr(struct dentry *dentry, char *buffer, size_t size); /* super.c */ -int btrfs_parse_options(struct btrfs_root *root, char *options, +int btrfs_parse_options(struct btrfs_fs_info *info, char *options, unsigned long new_flags); int btrfs_sync_fs(struct super_block *sb, int wait); @@ -3637,12 +3628,12 @@ int btrfs_reloc_post_snapshot(struct btrfs_trans_handle *trans, int btrfs_scrub_dev(struct btrfs_fs_info *fs_info, u64 devid, u64 start, u64 end, struct btrfs_scrub_progress *progress, int readonly, int is_dev_replace); -void btrfs_scrub_pause(struct btrfs_root *root); -void btrfs_scrub_continue(struct btrfs_root *root); +void btrfs_scrub_pause(struct btrfs_fs_info *fs_info); +void btrfs_scrub_continue(struct btrfs_fs_info *fs_info); int btrfs_scrub_cancel(struct btrfs_fs_info *info); int btrfs_scrub_cancel_dev(struct btrfs_fs_info *info, struct btrfs_device *dev); -int btrfs_scrub_progress(struct btrfs_root *root, u64 devid, +int btrfs_scrub_progress(struct btrfs_fs_info *fs_info, u64 devid, struct btrfs_scrub_progress *progress); /* dev-replace.c */ diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c index c8ffceb2aff9..33ed79b8d6cc 100644 --- a/fs/btrfs/delayed-inode.c +++ b/fs/btrfs/delayed-inode.c @@ -529,10 +529,9 @@ static struct btrfs_delayed_item *__btrfs_next_delayed_item( } static int btrfs_delayed_item_reserve_metadata(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, struct btrfs_delayed_item *item) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_block_rsv *src_rsv; struct btrfs_block_rsv *dst_rsv; u64 num_bytes; @@ -556,10 +555,9 @@ static int btrfs_delayed_item_reserve_metadata(struct btrfs_trans_handle *trans, return ret; } -static void btrfs_delayed_item_release_metadata(struct btrfs_root *root, +static void btrfs_delayed_item_release_metadata(struct btrfs_fs_info *fs_info, struct btrfs_delayed_item *item) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_block_rsv *rsv; if (!item->bytes_reserved) @@ -569,7 +567,7 @@ static void btrfs_delayed_item_release_metadata(struct btrfs_root *root, trace_btrfs_space_reservation(fs_info, "delayed_item", item->key.objectid, item->bytes_reserved, 0); - btrfs_block_rsv_release(root, rsv, + btrfs_block_rsv_release(fs_info, rsv, item->bytes_reserved); } @@ -669,16 +667,15 @@ static int btrfs_delayed_inode_reserve_metadata( if (release) { trace_btrfs_space_reservation(fs_info, "delalloc", btrfs_ino(inode), num_bytes, 0); - btrfs_block_rsv_release(root, src_rsv, num_bytes); + btrfs_block_rsv_release(fs_info, src_rsv, num_bytes); } return ret; } -static void btrfs_delayed_inode_release_metadata(struct btrfs_root *root, +static void btrfs_delayed_inode_release_metadata(struct btrfs_fs_info *fs_info, struct btrfs_delayed_node *node) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_block_rsv *rsv; if (!node->bytes_reserved) @@ -687,7 +684,7 @@ static void btrfs_delayed_inode_release_metadata(struct btrfs_root *root, rsv = &fs_info->delayed_block_rsv; trace_btrfs_space_reservation(fs_info, "delayed_inode", node->inode_id, node->bytes_reserved, 0); - btrfs_block_rsv_release(root, rsv, + btrfs_block_rsv_release(fs_info, rsv, node->bytes_reserved); node->bytes_reserved = 0; } @@ -700,6 +697,7 @@ static int btrfs_batch_insert_items(struct btrfs_root *root, struct btrfs_path *path, struct btrfs_delayed_item *item) { + struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_delayed_item *curr, *next; int free_space; int total_data_size = 0, total_size = 0; @@ -716,7 +714,7 @@ static int btrfs_batch_insert_items(struct btrfs_root *root, BUG_ON(!path->nodes[0]); leaf = path->nodes[0]; - free_space = btrfs_leaf_free_space(root, leaf); + free_space = btrfs_leaf_free_space(fs_info, leaf); INIT_LIST_HEAD(&head); next = item; @@ -789,7 +787,7 @@ static int btrfs_batch_insert_items(struct btrfs_root *root, curr->data_len); slot++; - btrfs_delayed_item_release_metadata(root, curr); + btrfs_delayed_item_release_metadata(fs_info, curr); list_del(&curr->tree_list); btrfs_release_delayed_item(curr); @@ -811,6 +809,7 @@ static int btrfs_insert_delayed_item(struct btrfs_trans_handle *trans, struct btrfs_path *path, struct btrfs_delayed_item *delayed_item) { + struct btrfs_fs_info *fs_info = root->fs_info; struct extent_buffer *leaf; char *ptr; int ret; @@ -828,7 +827,7 @@ static int btrfs_insert_delayed_item(struct btrfs_trans_handle *trans, delayed_item->data_len); btrfs_mark_buffer_dirty(leaf); - btrfs_delayed_item_release_metadata(root, delayed_item); + btrfs_delayed_item_release_metadata(fs_info, delayed_item); return 0; } @@ -880,6 +879,7 @@ static int btrfs_batch_delete_items(struct btrfs_trans_handle *trans, struct btrfs_path *path, struct btrfs_delayed_item *item) { + struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_delayed_item *curr, *next; struct extent_buffer *leaf; struct btrfs_key key; @@ -929,7 +929,7 @@ static int btrfs_batch_delete_items(struct btrfs_trans_handle *trans, goto out; list_for_each_entry_safe(curr, next, &head, tree_list) { - btrfs_delayed_item_release_metadata(root, curr); + btrfs_delayed_item_release_metadata(fs_info, curr); list_del(&curr->tree_list); btrfs_release_delayed_item(curr); } @@ -1015,6 +1015,7 @@ static int __btrfs_update_delayed_inode(struct btrfs_trans_handle *trans, struct btrfs_path *path, struct btrfs_delayed_node *node) { + struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_key key; struct btrfs_inode_item *inode_item; struct extent_buffer *leaf; @@ -1071,7 +1072,7 @@ out: no_iref: btrfs_release_path(path); err_out: - btrfs_delayed_inode_release_metadata(root, node); + btrfs_delayed_inode_release_metadata(fs_info, node); btrfs_release_delayed_inode(node); return ret; @@ -1136,9 +1137,8 @@ __btrfs_commit_inode_delayed_items(struct btrfs_trans_handle *trans, * outstanding delayed items cleaned up. */ static int __btrfs_run_delayed_items(struct btrfs_trans_handle *trans, - struct btrfs_root *root, int nr) + struct btrfs_fs_info *fs_info, int nr) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_delayed_root *delayed_root; struct btrfs_delayed_node *curr_node, *prev_node; struct btrfs_path *path; @@ -1184,15 +1184,15 @@ static int __btrfs_run_delayed_items(struct btrfs_trans_handle *trans, } int btrfs_run_delayed_items(struct btrfs_trans_handle *trans, - struct btrfs_root *root) + struct btrfs_fs_info *fs_info) { - return __btrfs_run_delayed_items(trans, root, -1); + return __btrfs_run_delayed_items(trans, fs_info, -1); } int btrfs_run_delayed_items_nr(struct btrfs_trans_handle *trans, - struct btrfs_root *root, int nr) + struct btrfs_fs_info *fs_info, int nr) { - return __btrfs_run_delayed_items(trans, root, nr); + return __btrfs_run_delayed_items(trans, fs_info, nr); } int btrfs_commit_inode_delayed_items(struct btrfs_trans_handle *trans, @@ -1235,6 +1235,7 @@ int btrfs_commit_inode_delayed_items(struct btrfs_trans_handle *trans, int btrfs_commit_inode_delayed_inode(struct inode *inode) { + struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); struct btrfs_trans_handle *trans; struct btrfs_delayed_node *delayed_node = btrfs_get_delayed_node(inode); struct btrfs_path *path; @@ -1266,7 +1267,7 @@ int btrfs_commit_inode_delayed_inode(struct inode *inode) path->leave_spinning = 1; block_rsv = trans->block_rsv; - trans->block_rsv = &delayed_node->root->fs_info->delayed_block_rsv; + trans->block_rsv = &fs_info->delayed_block_rsv; mutex_lock(&delayed_node->mutex); if (test_bit(BTRFS_DELAYED_NODE_INODE_DIRTY, &delayed_node->flags)) @@ -1280,7 +1281,7 @@ int btrfs_commit_inode_delayed_inode(struct inode *inode) trans->block_rsv = block_rsv; trans_out: btrfs_end_transaction(trans, delayed_node->root); - btrfs_btree_balance_dirty(delayed_node->root); + btrfs_btree_balance_dirty(fs_info); out: btrfs_release_delayed_node(delayed_node); @@ -1345,7 +1346,7 @@ again: trans->block_rsv = block_rsv; btrfs_end_transaction(trans, root); - btrfs_btree_balance_dirty_nodelay(root); + btrfs_btree_balance_dirty_nodelay(root->fs_info); release_path: btrfs_release_path(path); @@ -1402,12 +1403,9 @@ static int could_end_wait(struct btrfs_delayed_root *delayed_root, int seq) return 0; } -void btrfs_balance_delayed_items(struct btrfs_root *root) +void btrfs_balance_delayed_items(struct btrfs_fs_info *fs_info) { - struct btrfs_delayed_root *delayed_root; - struct btrfs_fs_info *fs_info = root->fs_info; - - delayed_root = fs_info->delayed_root; + struct btrfs_delayed_root *delayed_root = fs_info->delayed_root; if (atomic_read(&delayed_root->items) < BTRFS_DELAYED_BACKGROUND) return; @@ -1432,8 +1430,9 @@ void btrfs_balance_delayed_items(struct btrfs_root *root) /* Will return 0 or -ENOMEM */ int btrfs_insert_delayed_dir_index(struct btrfs_trans_handle *trans, - struct btrfs_root *root, const char *name, - int name_len, struct inode *dir, + struct btrfs_fs_info *fs_info, + const char *name, int name_len, + struct inode *dir, struct btrfs_disk_key *disk_key, u8 type, u64 index) { @@ -1464,7 +1463,7 @@ int btrfs_insert_delayed_dir_index(struct btrfs_trans_handle *trans, btrfs_set_stack_dir_type(dir_item, type); memcpy((char *)(dir_item + 1), name, name_len); - ret = btrfs_delayed_item_reserve_metadata(trans, root, delayed_item); + ret = btrfs_delayed_item_reserve_metadata(trans, fs_info, delayed_item); /* * we have reserved enough space when we start a new transaction, * so reserving metadata failure is impossible @@ -1475,7 +1474,7 @@ int btrfs_insert_delayed_dir_index(struct btrfs_trans_handle *trans, mutex_lock(&delayed_node->mutex); ret = __btrfs_add_delayed_insertion_item(delayed_node, delayed_item); if (unlikely(ret)) { - btrfs_err(root->fs_info, + btrfs_err(fs_info, "err add delayed dir index item(name: %.*s) into the insertion tree of the delayed node(root id: %llu, inode id: %llu, errno: %d)", name_len, name, delayed_node->root->objectid, delayed_node->inode_id, ret); @@ -1488,7 +1487,7 @@ release_node: return ret; } -static int btrfs_delete_delayed_insertion_item(struct btrfs_root *root, +static int btrfs_delete_delayed_insertion_item(struct btrfs_fs_info *fs_info, struct btrfs_delayed_node *node, struct btrfs_key *key) { @@ -1501,15 +1500,15 @@ static int btrfs_delete_delayed_insertion_item(struct btrfs_root *root, return 1; } - btrfs_delayed_item_release_metadata(root, item); + btrfs_delayed_item_release_metadata(fs_info, item); btrfs_release_delayed_item(item); mutex_unlock(&node->mutex); return 0; } int btrfs_delete_delayed_dir_index(struct btrfs_trans_handle *trans, - struct btrfs_root *root, struct inode *dir, - u64 index) + struct btrfs_fs_info *fs_info, + struct inode *dir, u64 index) { struct btrfs_delayed_node *node; struct btrfs_delayed_item *item; @@ -1524,7 +1523,7 @@ int btrfs_delete_delayed_dir_index(struct btrfs_trans_handle *trans, item_key.type = BTRFS_DIR_INDEX_KEY; item_key.offset = index; - ret = btrfs_delete_delayed_insertion_item(root, node, &item_key); + ret = btrfs_delete_delayed_insertion_item(fs_info, node, &item_key); if (!ret) goto end; @@ -1536,7 +1535,7 @@ int btrfs_delete_delayed_dir_index(struct btrfs_trans_handle *trans, item->key = item_key; - ret = btrfs_delayed_item_reserve_metadata(trans, root, item); + ret = btrfs_delayed_item_reserve_metadata(trans, fs_info, item); /* * we have reserved enough space when we start a new transaction, * so reserving metadata failure is impossible. @@ -1546,7 +1545,7 @@ int btrfs_delete_delayed_dir_index(struct btrfs_trans_handle *trans, mutex_lock(&node->mutex); ret = __btrfs_add_delayed_deletion_item(node, item); if (unlikely(ret)) { - btrfs_err(root->fs_info, + btrfs_err(fs_info, "err add delayed dir index item(index: %llu) into the deletion tree of the delayed node(root id: %llu, inode id: %llu, errno: %d)", index, node->root->objectid, node->inode_id, ret); BUG(); @@ -1902,12 +1901,13 @@ release_node: static void __btrfs_kill_delayed_node(struct btrfs_delayed_node *delayed_node) { struct btrfs_root *root = delayed_node->root; + struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_delayed_item *curr_item, *prev_item; mutex_lock(&delayed_node->mutex); curr_item = __btrfs_first_delayed_insertion_item(delayed_node); while (curr_item) { - btrfs_delayed_item_release_metadata(root, curr_item); + btrfs_delayed_item_release_metadata(fs_info, curr_item); prev_item = curr_item; curr_item = __btrfs_next_delayed_item(prev_item); btrfs_release_delayed_item(prev_item); @@ -1915,7 +1915,7 @@ static void __btrfs_kill_delayed_node(struct btrfs_delayed_node *delayed_node) curr_item = __btrfs_first_delayed_deletion_item(delayed_node); while (curr_item) { - btrfs_delayed_item_release_metadata(root, curr_item); + btrfs_delayed_item_release_metadata(fs_info, curr_item); prev_item = curr_item; curr_item = __btrfs_next_delayed_item(prev_item); btrfs_release_delayed_item(prev_item); @@ -1925,7 +1925,7 @@ static void __btrfs_kill_delayed_node(struct btrfs_delayed_node *delayed_node) btrfs_release_delayed_iref(delayed_node); if (test_bit(BTRFS_DELAYED_NODE_INODE_DIRTY, &delayed_node->flags)) { - btrfs_delayed_inode_release_metadata(root, delayed_node); + btrfs_delayed_inode_release_metadata(fs_info, delayed_node); btrfs_release_delayed_inode(delayed_node); } mutex_unlock(&delayed_node->mutex); diff --git a/fs/btrfs/delayed-inode.h b/fs/btrfs/delayed-inode.h index 7320d72f7b9c..8a2bf5e3e4cf 100644 --- a/fs/btrfs/delayed-inode.h +++ b/fs/btrfs/delayed-inode.h @@ -99,23 +99,24 @@ static inline void btrfs_init_delayed_root( } int btrfs_insert_delayed_dir_index(struct btrfs_trans_handle *trans, - struct btrfs_root *root, const char *name, - int name_len, struct inode *dir, + struct btrfs_fs_info *fs_info, + const char *name, int name_len, + struct inode *dir, struct btrfs_disk_key *disk_key, u8 type, u64 index); int btrfs_delete_delayed_dir_index(struct btrfs_trans_handle *trans, - struct btrfs_root *root, struct inode *dir, - u64 index); + struct btrfs_fs_info *fs_info, + struct inode *dir, u64 index); int btrfs_inode_delayed_dir_index_count(struct inode *inode); int btrfs_run_delayed_items(struct btrfs_trans_handle *trans, - struct btrfs_root *root); + struct btrfs_fs_info *fs_info); int btrfs_run_delayed_items_nr(struct btrfs_trans_handle *trans, - struct btrfs_root *root, int nr); + struct btrfs_fs_info *fs_info, int nr); -void btrfs_balance_delayed_items(struct btrfs_root *root); +void btrfs_balance_delayed_items(struct btrfs_fs_info *fs_info); int btrfs_commit_inode_delayed_items(struct btrfs_trans_handle *trans, struct inode *inode); diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c index c6558ed93301..1b545885f7b1 100644 --- a/fs/btrfs/dev-replace.c +++ b/fs/btrfs/dev-replace.c @@ -304,11 +304,11 @@ void btrfs_after_dev_replace_commit(struct btrfs_fs_info *fs_info) dev_replace->cursor_left_last_write_of_item; } -int btrfs_dev_replace_start(struct btrfs_root *root, char *tgtdev_name, +int btrfs_dev_replace_start(struct btrfs_fs_info *fs_info, char *tgtdev_name, u64 srcdevid, char *srcdev_name, int read_src) { + struct btrfs_root *root = fs_info->dev_root; struct btrfs_trans_handle *trans; - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_dev_replace *dev_replace = &fs_info->dev_replace; int ret; struct btrfs_device *tgt_device = NULL; @@ -316,14 +316,14 @@ int btrfs_dev_replace_start(struct btrfs_root *root, char *tgtdev_name, /* the disk copy procedure reuses the scrub code */ mutex_lock(&fs_info->volume_mutex); - ret = btrfs_find_device_by_devspec(root, srcdevid, + ret = btrfs_find_device_by_devspec(fs_info, srcdevid, srcdev_name, &src_device); if (ret) { mutex_unlock(&fs_info->volume_mutex); return ret; } - ret = btrfs_init_dev_replace_tgtdev(root, tgtdev_name, + ret = btrfs_init_dev_replace_tgtdev(fs_info, tgtdev_name, src_device, &tgt_device); mutex_unlock(&fs_info->volume_mutex); if (ret) @@ -422,7 +422,7 @@ leave: return ret; } -int btrfs_dev_replace_by_ioctl(struct btrfs_root *root, +int btrfs_dev_replace_by_ioctl(struct btrfs_fs_info *fs_info, struct btrfs_ioctl_dev_replace_args *args) { int ret; @@ -439,7 +439,7 @@ int btrfs_dev_replace_by_ioctl(struct btrfs_root *root, args->start.tgtdev_name[0] == '\0') return -EINVAL; - ret = btrfs_dev_replace_start(root, args->start.tgtdev_name, + ret = btrfs_dev_replace_start(fs_info, args->start.tgtdev_name, args->start.srcdevid, args->start.srcdev_name, args->start.cont_reading_from_srcdev_mode); diff --git a/fs/btrfs/dev-replace.h b/fs/btrfs/dev-replace.h index e922b42d91df..54ea12bda15b 100644 --- a/fs/btrfs/dev-replace.h +++ b/fs/btrfs/dev-replace.h @@ -25,9 +25,9 @@ int btrfs_init_dev_replace(struct btrfs_fs_info *fs_info); int btrfs_run_dev_replace(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info); void btrfs_after_dev_replace_commit(struct btrfs_fs_info *fs_info); -int btrfs_dev_replace_by_ioctl(struct btrfs_root *root, +int btrfs_dev_replace_by_ioctl(struct btrfs_fs_info *fs_info, struct btrfs_ioctl_dev_replace_args *args); -int btrfs_dev_replace_start(struct btrfs_root *root, char *tgtdev_name, +int btrfs_dev_replace_start(struct btrfs_fs_info *fs_info, char *tgtdev_name, u64 srcdevid, char *srcdev_name, int read_src); void btrfs_dev_replace_status(struct btrfs_fs_info *fs_info, struct btrfs_ioctl_dev_replace_args *args); diff --git a/fs/btrfs/dir-item.c b/fs/btrfs/dir-item.c index 128f8ab20d41..b039fe0c751a 100644 --- a/fs/btrfs/dir-item.c +++ b/fs/btrfs/dir-item.c @@ -38,6 +38,7 @@ static struct btrfs_dir_item *insert_with_overflow(struct btrfs_trans_handle const char *name, int name_len) { + struct btrfs_fs_info *fs_info = root->fs_info; int ret; char *ptr; struct btrfs_item *item; @@ -46,10 +47,10 @@ static struct btrfs_dir_item *insert_with_overflow(struct btrfs_trans_handle ret = btrfs_insert_empty_item(trans, root, path, cpu_key, data_size); if (ret == -EEXIST) { struct btrfs_dir_item *di; - di = btrfs_match_dir_item_name(root, path, name, name_len); + di = btrfs_match_dir_item_name(fs_info, path, name, name_len); if (di) return ERR_PTR(-EEXIST); - btrfs_extend_item(root, path, data_size); + btrfs_extend_item(fs_info, path, data_size); } else if (ret < 0) return ERR_PTR(ret); WARN_ON(ret > 0); @@ -172,8 +173,9 @@ second_insert: } btrfs_release_path(path); - ret2 = btrfs_insert_delayed_dir_index(trans, root, name, name_len, dir, - &disk_key, type, index); + ret2 = btrfs_insert_delayed_dir_index(trans, root->fs_info, name, + name_len, dir, &disk_key, type, + index); out_free: btrfs_free_path(path); if (ret) @@ -210,7 +212,7 @@ struct btrfs_dir_item *btrfs_lookup_dir_item(struct btrfs_trans_handle *trans, if (ret > 0) return NULL; - return btrfs_match_dir_item_name(root, path, name, name_len); + return btrfs_match_dir_item_name(root->fs_info, path, name, name_len); } int btrfs_check_dir_item_collision(struct btrfs_root *root, u64 dir, @@ -246,7 +248,7 @@ int btrfs_check_dir_item_collision(struct btrfs_root *root, u64 dir, } /* we found an item, look for our name in the item */ - di = btrfs_match_dir_item_name(root, path, name, name_len); + di = btrfs_match_dir_item_name(root->fs_info, path, name, name_len); if (di) { /* our exact name was found */ ret = -EEXIST; @@ -301,7 +303,7 @@ btrfs_lookup_dir_index_item(struct btrfs_trans_handle *trans, return ERR_PTR(ret); if (ret > 0) return ERR_PTR(-ENOENT); - return btrfs_match_dir_item_name(root, path, name, name_len); + return btrfs_match_dir_item_name(root->fs_info, path, name, name_len); } struct btrfs_dir_item * @@ -342,7 +344,8 @@ btrfs_search_dir_index_item(struct btrfs_root *root, if (key.objectid != dirid || key.type != BTRFS_DIR_INDEX_KEY) break; - di = btrfs_match_dir_item_name(root, path, name, name_len); + di = btrfs_match_dir_item_name(root->fs_info, path, + name, name_len); if (di) return di; @@ -371,7 +374,7 @@ struct btrfs_dir_item *btrfs_lookup_xattr(struct btrfs_trans_handle *trans, if (ret > 0) return NULL; - return btrfs_match_dir_item_name(root, path, name, name_len); + return btrfs_match_dir_item_name(root->fs_info, path, name, name_len); } /* @@ -379,7 +382,7 @@ struct btrfs_dir_item *btrfs_lookup_xattr(struct btrfs_trans_handle *trans, * this walks through all the entries in a dir item and finds one * for a specific name. */ -struct btrfs_dir_item *btrfs_match_dir_item_name(struct btrfs_root *root, +struct btrfs_dir_item *btrfs_match_dir_item_name(struct btrfs_fs_info *fs_info, struct btrfs_path *path, const char *name, int name_len) { @@ -392,7 +395,7 @@ struct btrfs_dir_item *btrfs_match_dir_item_name(struct btrfs_root *root, leaf = path->nodes[0]; dir_item = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_dir_item); - if (verify_dir_item(root, leaf, dir_item)) + if (verify_dir_item(fs_info, leaf, dir_item)) return NULL; total_len = btrfs_item_size_nr(leaf, path->slots[0]); @@ -442,16 +445,16 @@ int btrfs_delete_one_dir_name(struct btrfs_trans_handle *trans, start = btrfs_item_ptr_offset(leaf, path->slots[0]); memmove_extent_buffer(leaf, ptr, ptr + sub_item_len, item_len - (ptr + sub_item_len - start)); - btrfs_truncate_item(root, path, item_len - sub_item_len, 1); + btrfs_truncate_item(root->fs_info, path, + item_len - sub_item_len, 1); } return ret; } -int verify_dir_item(struct btrfs_root *root, +int verify_dir_item(struct btrfs_fs_info *fs_info, struct extent_buffer *leaf, struct btrfs_dir_item *dir_item) { - struct btrfs_fs_info *fs_info = root->fs_info; u16 namelen = BTRFS_NAME_LEN; u8 type = btrfs_dir_type(leaf, dir_item); diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 5f7d283933b4..3ce36b526ebe 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -68,15 +68,15 @@ static int btrfs_check_super_valid(struct btrfs_fs_info *fs_info, int read_only); static void btrfs_destroy_ordered_extents(struct btrfs_root *root); static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans, - struct btrfs_root *root); + struct btrfs_fs_info *fs_info); static void btrfs_destroy_delalloc_inodes(struct btrfs_root *root); -static int btrfs_destroy_marked_extents(struct btrfs_root *root, +static int btrfs_destroy_marked_extents(struct btrfs_fs_info *fs_info, struct extent_io_tree *dirty_pages, int mark); -static int btrfs_destroy_pinned_extent(struct btrfs_root *root, +static int btrfs_destroy_pinned_extent(struct btrfs_fs_info *fs_info, struct extent_io_tree *pinned_extents); -static int btrfs_cleanup_transaction(struct btrfs_root *root); -static void btrfs_error_commit_super(struct btrfs_root *root); +static int btrfs_cleanup_transaction(struct btrfs_fs_info *fs_info); +static void btrfs_error_commit_super(struct btrfs_fs_info *fs_info); /* * btrfs_end_io_wq structs are used to do processing in task context when an IO @@ -440,11 +440,10 @@ static int btrfs_check_super_csum(struct btrfs_fs_info *fs_info, * helper to read a given tree block, doing retries as required when * the checksums don't match and we have alternate mirrors to try. */ -static int btree_read_extent_buffer_pages(struct btrfs_root *root, +static int btree_read_extent_buffer_pages(struct btrfs_fs_info *fs_info, struct extent_buffer *eb, u64 parent_transid) { - struct btrfs_fs_info *fs_info = root->fs_info; struct extent_io_tree *io_tree; int failed = 0; int ret; @@ -492,7 +491,7 @@ static int btree_read_extent_buffer_pages(struct btrfs_root *root, } if (failed && !ret && failed_mirror) - repair_eb_io_failure(root, eb, failed_mirror); + repair_eb_io_failure(fs_info, eb, failed_mirror); return ret; } @@ -983,7 +982,7 @@ static int __btree_submit_bio_done(struct inode *inode, struct bio *bio, * when we're called for a write, we're already in the async * submission context. Just jump into btrfs_map_bio */ - ret = btrfs_map_bio(BTRFS_I(inode)->root, bio, mirror_num, 1); + ret = btrfs_map_bio(btrfs_sb(inode->i_sb), bio, mirror_num, 1); if (ret) { bio->bi_error = ret; bio_endio(bio); @@ -1019,12 +1018,12 @@ static int btree_submit_bio_hook(struct inode *inode, struct bio *bio, BTRFS_WQ_ENDIO_METADATA); if (ret) goto out_w_error; - ret = btrfs_map_bio(BTRFS_I(inode)->root, bio, mirror_num, 0); + ret = btrfs_map_bio(fs_info, bio, mirror_num, 0); } else if (!async) { ret = btree_csum_one_bio(bio); if (ret) goto out_w_error; - ret = btrfs_map_bio(BTRFS_I(inode)->root, bio, mirror_num, 0); + ret = btrfs_map_bio(fs_info, bio, mirror_num, 0); } else { /* * kthread helpers are used to submit writes so that @@ -1148,12 +1147,12 @@ static const struct address_space_operations btree_aops = { .set_page_dirty = btree_set_page_dirty, }; -void readahead_tree_block(struct btrfs_root *root, u64 bytenr) +void readahead_tree_block(struct btrfs_fs_info *fs_info, u64 bytenr) { struct extent_buffer *buf = NULL; - struct inode *btree_inode = root->fs_info->btree_inode; + struct inode *btree_inode = fs_info->btree_inode; - buf = btrfs_find_create_tree_block(root, bytenr); + buf = btrfs_find_create_tree_block(fs_info, bytenr); if (IS_ERR(buf)) return; read_extent_buffer_pages(&BTRFS_I(btree_inode)->io_tree, @@ -1161,15 +1160,15 @@ void readahead_tree_block(struct btrfs_root *root, u64 bytenr) free_extent_buffer(buf); } -int reada_tree_block_flagged(struct btrfs_root *root, u64 bytenr, +int reada_tree_block_flagged(struct btrfs_fs_info *fs_info, u64 bytenr, int mirror_num, struct extent_buffer **eb) { struct extent_buffer *buf = NULL; - struct inode *btree_inode = root->fs_info->btree_inode; + struct inode *btree_inode = fs_info->btree_inode; struct extent_io_tree *io_tree = &BTRFS_I(btree_inode)->io_tree; int ret; - buf = btrfs_find_create_tree_block(root, bytenr); + buf = btrfs_find_create_tree_block(fs_info, bytenr); if (IS_ERR(buf)) return 0; @@ -1193,11 +1192,10 @@ int reada_tree_block_flagged(struct btrfs_root *root, u64 bytenr, return 0; } -struct extent_buffer *btrfs_find_create_tree_block(struct btrfs_root *root, - u64 bytenr) +struct extent_buffer *btrfs_find_create_tree_block( + struct btrfs_fs_info *fs_info, + u64 bytenr) { - struct btrfs_fs_info *fs_info = root->fs_info; - if (btrfs_is_testing(fs_info)) return alloc_test_extent_buffer(fs_info, bytenr); return alloc_extent_buffer(fs_info, bytenr); @@ -1216,17 +1214,17 @@ int btrfs_wait_tree_block_writeback(struct extent_buffer *buf) buf->start, buf->start + buf->len - 1); } -struct extent_buffer *read_tree_block(struct btrfs_root *root, u64 bytenr, +struct extent_buffer *read_tree_block(struct btrfs_fs_info *fs_info, u64 bytenr, u64 parent_transid) { struct extent_buffer *buf = NULL; int ret; - buf = btrfs_find_create_tree_block(root, bytenr); + buf = btrfs_find_create_tree_block(fs_info, bytenr); if (IS_ERR(buf)) return buf; - ret = btree_read_extent_buffer_pages(root, buf, parent_transid); + ret = btree_read_extent_buffer_pages(fs_info, buf, parent_transid); if (ret) { free_extent_buffer(buf); return ERR_PTR(ret); @@ -1578,7 +1576,8 @@ static struct btrfs_root *btrfs_read_tree_root(struct btrfs_root *tree_root, } generation = btrfs_root_generation(&root->root_item); - root->node = read_tree_block(root, btrfs_root_bytenr(&root->root_item), + root->node = read_tree_block(fs_info, + btrfs_root_bytenr(&root->root_item), generation); if (IS_ERR(root->node)) { ret = PTR_ERR(root->node); @@ -1841,7 +1840,7 @@ static int cleaner_kthread(void *arg) again = 0; /* Make the cleaner go to sleep early. */ - if (btrfs_need_cleaner_sleep(root)) + if (btrfs_need_cleaner_sleep(fs_info)) goto sleep; /* @@ -1858,13 +1857,13 @@ static int cleaner_kthread(void *arg) * Avoid the problem that we change the status of the fs * during the above check and trylock. */ - if (btrfs_need_cleaner_sleep(root)) { + if (btrfs_need_cleaner_sleep(fs_info)) { mutex_unlock(&fs_info->cleaner_mutex); goto sleep; } mutex_lock(&fs_info->cleaner_delayed_iput_mutex); - btrfs_run_delayed_iputs(root); + btrfs_run_delayed_iputs(fs_info); mutex_unlock(&fs_info->cleaner_delayed_iput_mutex); again = btrfs_clean_one_deleted_snapshot(root); @@ -1976,7 +1975,7 @@ sleep: if (unlikely(test_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state))) - btrfs_cleanup_transaction(root); + btrfs_cleanup_transaction(fs_info); set_current_state(TASK_INTERRUPTIBLE); if (!kthread_should_stop() && (!btrfs_transaction_blocked(fs_info) || @@ -2266,8 +2265,7 @@ void btrfs_free_fs_roots(struct btrfs_fs_info *fs_info) if (test_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state)) { btrfs_free_log_root_tree(NULL, fs_info); - btrfs_destroy_pinned_extent(fs_info->tree_root, - fs_info->pinned_extents); + btrfs_destroy_pinned_extent(fs_info, fs_info->pinned_extents); } } @@ -2295,30 +2293,29 @@ static void btrfs_init_balance(struct btrfs_fs_info *fs_info) static void btrfs_init_btree_inode(struct btrfs_fs_info *fs_info) { - fs_info->btree_inode->i_ino = BTRFS_BTREE_INODE_OBJECTID; - set_nlink(fs_info->btree_inode, 1); + struct inode *inode = fs_info->btree_inode; + + inode->i_ino = BTRFS_BTREE_INODE_OBJECTID; + set_nlink(inode, 1); /* * we set the i_size on the btree inode to the max possible int. * the real end of the address space is determined by all of * the devices in the system */ - fs_info->btree_inode->i_size = OFFSET_MAX; - fs_info->btree_inode->i_mapping->a_ops = &btree_aops; + inode->i_size = OFFSET_MAX; + inode->i_mapping->a_ops = &btree_aops; - RB_CLEAR_NODE(&BTRFS_I(fs_info->btree_inode)->rb_node); - extent_io_tree_init(&BTRFS_I(fs_info->btree_inode)->io_tree, - fs_info->btree_inode->i_mapping); - BTRFS_I(fs_info->btree_inode)->io_tree.track_uptodate = 0; - extent_map_tree_init(&BTRFS_I(fs_info->btree_inode)->extent_tree); + RB_CLEAR_NODE(&BTRFS_I(inode)->rb_node); + extent_io_tree_init(&BTRFS_I(inode)->io_tree, inode->i_mapping); + BTRFS_I(inode)->io_tree.track_uptodate = 0; + extent_map_tree_init(&BTRFS_I(inode)->extent_tree); - BTRFS_I(fs_info->btree_inode)->io_tree.ops = &btree_extent_io_ops; + BTRFS_I(inode)->io_tree.ops = &btree_extent_io_ops; - BTRFS_I(fs_info->btree_inode)->root = fs_info->tree_root; - memset(&BTRFS_I(fs_info->btree_inode)->location, 0, - sizeof(struct btrfs_key)); - set_bit(BTRFS_INODE_DUMMY, - &BTRFS_I(fs_info->btree_inode)->runtime_flags); - btrfs_insert_inode_hash(fs_info->btree_inode); + BTRFS_I(inode)->root = fs_info->tree_root; + memset(&BTRFS_I(inode)->location, 0, sizeof(struct btrfs_key)); + set_bit(BTRFS_INODE_DUMMY, &BTRFS_I(inode)->runtime_flags); + btrfs_insert_inode_hash(inode); } static void btrfs_init_dev_replace_locks(struct btrfs_fs_info *fs_info) @@ -2439,7 +2436,6 @@ static int btrfs_replay_log(struct btrfs_fs_info *fs_info, struct btrfs_fs_devices *fs_devices) { int ret; - struct btrfs_root *tree_root = fs_info->tree_root; struct btrfs_root *log_tree_root; struct btrfs_super_block *disk_super = fs_info->super_copy; u64 bytenr = btrfs_super_log_root(disk_super); @@ -2455,8 +2451,8 @@ static int btrfs_replay_log(struct btrfs_fs_info *fs_info, __setup_root(log_tree_root, fs_info, BTRFS_TREE_LOG_OBJECTID); - log_tree_root->node = read_tree_block(tree_root, bytenr, - fs_info->generation + 1); + log_tree_root->node = read_tree_block(fs_info, bytenr, + fs_info->generation + 1); if (IS_ERR(log_tree_root->node)) { btrfs_warn(fs_info, "failed to read log tree"); ret = PTR_ERR(log_tree_root->node); @@ -2819,7 +2815,7 @@ int open_ctree(struct super_block *sb, */ fs_info->compress_type = BTRFS_COMPRESS_ZLIB; - ret = btrfs_parse_options(tree_root, options, sb->s_flags); + ret = btrfs_parse_options(fs_info, options, sb->s_flags); if (ret) { err = ret; goto fail_alloc; @@ -2920,7 +2916,7 @@ int open_ctree(struct super_block *sb, __setup_root(chunk_root, fs_info, BTRFS_CHUNK_TREE_OBJECTID); - chunk_root->node = read_tree_block(chunk_root, + chunk_root->node = read_tree_block(fs_info, btrfs_super_chunk_root(disk_super), generation); if (IS_ERR(chunk_root->node) || @@ -2957,7 +2953,7 @@ int open_ctree(struct super_block *sb, retry_root_backup: generation = btrfs_super_generation(disk_super); - tree_root->node = read_tree_block(tree_root, + tree_root->node = read_tree_block(fs_info, btrfs_super_root(disk_super), generation); if (IS_ERR(tree_root->node) || @@ -3081,7 +3077,7 @@ retry_root_backup: #ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY if (btrfs_test_opt(fs_info, CHECK_INTEGRITY)) { - ret = btrfsic_mount(tree_root, fs_devices, + ret = btrfsic_mount(fs_info, fs_devices, btrfs_test_opt(fs_info, CHECK_INTEGRITY_INCLUDING_EXTENT_DATA) ? 1 : 0, @@ -3233,7 +3229,7 @@ fail_qgroup: btrfs_free_qgroup_config(fs_info); fail_trans_kthread: kthread_stop(fs_info->transaction_kthread); - btrfs_cleanup_transaction(fs_info->tree_root); + btrfs_cleanup_transaction(fs_info); btrfs_free_fs_roots(fs_info); fail_cleaner: kthread_stop(fs_info->cleaner_kthread); @@ -3685,9 +3681,8 @@ int btrfs_calc_num_tolerated_disk_barrier_failures( return num_tolerated_disk_barrier_failures; } -static int write_all_supers(struct btrfs_root *root, int max_mirrors) +static int write_all_supers(struct btrfs_fs_info *fs_info, int max_mirrors) { - struct btrfs_fs_info *fs_info = root->fs_info; struct list_head *head; struct btrfs_device *dev; struct btrfs_super_block *sb; @@ -3781,9 +3776,9 @@ static int write_all_supers(struct btrfs_root *root, int max_mirrors) } int write_ctree_super(struct btrfs_trans_handle *trans, - struct btrfs_root *root, int max_mirrors) + struct btrfs_fs_info *fs_info, int max_mirrors) { - return write_all_supers(root, max_mirrors); + return write_all_supers(fs_info, max_mirrors); } /* Drop a fs root from the radix tree and free it. */ @@ -3819,7 +3814,7 @@ static void free_fs_root(struct btrfs_root *root) { iput(root->ino_cache_inode); WARN_ON(!RB_EMPTY_ROOT(&root->inode_tree)); - btrfs_free_block_rsv(root, root->orphan_block_rsv); + btrfs_free_block_rsv(root->fs_info, root->orphan_block_rsv); root->orphan_block_rsv = NULL; if (root->anon_dev) free_anon_bdev(root->anon_dev); @@ -3895,7 +3890,7 @@ int btrfs_commit_super(struct btrfs_fs_info *fs_info) struct btrfs_trans_handle *trans; mutex_lock(&fs_info->cleaner_mutex); - btrfs_run_delayed_iputs(root); + btrfs_run_delayed_iputs(fs_info); mutex_unlock(&fs_info->cleaner_mutex); wake_up_process(fs_info->cleaner_kthread); @@ -3954,7 +3949,7 @@ void close_ctree(struct btrfs_fs_info *fs_info) } if (test_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state)) - btrfs_error_commit_super(root); + btrfs_error_commit_super(fs_info); kthread_stop(fs_info->transaction_kthread); kthread_stop(fs_info->cleaner_kthread); @@ -3991,7 +3986,7 @@ void close_ctree(struct btrfs_fs_info *fs_info) #ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY if (btrfs_test_opt(fs_info, CHECK_INTEGRITY)) - btrfsic_unmount(root, fs_info->fs_devices); + btrfsic_unmount(fs_info->fs_devices); #endif btrfs_close_devices(fs_info->fs_devices); @@ -4066,16 +4061,15 @@ void btrfs_mark_buffer_dirty(struct extent_buffer *buf) fs_info->dirty_metadata_batch); #ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY if (btrfs_header_level(buf) == 0 && check_leaf(root, buf)) { - btrfs_print_leaf(root, buf); + btrfs_print_leaf(fs_info, buf); ASSERT(0); } #endif } -static void __btrfs_btree_balance_dirty(struct btrfs_root *root, +static void __btrfs_btree_balance_dirty(struct btrfs_fs_info *fs_info, int flush_delayed) { - struct btrfs_fs_info *fs_info = root->fs_info; /* * looks as though older kernels can get into trouble with * this code, they end up stuck in balance_dirty_pages forever @@ -4086,7 +4080,7 @@ static void __btrfs_btree_balance_dirty(struct btrfs_root *root, return; if (flush_delayed) - btrfs_balance_delayed_items(root); + btrfs_balance_delayed_items(fs_info); ret = percpu_counter_compare(&fs_info->dirty_metadata_bytes, BTRFS_DIRTY_METADATA_THRESH); @@ -4095,20 +4089,22 @@ static void __btrfs_btree_balance_dirty(struct btrfs_root *root, } } -void btrfs_btree_balance_dirty(struct btrfs_root *root) +void btrfs_btree_balance_dirty(struct btrfs_fs_info *fs_info) { - __btrfs_btree_balance_dirty(root, 1); + __btrfs_btree_balance_dirty(fs_info, 1); } -void btrfs_btree_balance_dirty_nodelay(struct btrfs_root *root) +void btrfs_btree_balance_dirty_nodelay(struct btrfs_fs_info *fs_info) { - __btrfs_btree_balance_dirty(root, 0); + __btrfs_btree_balance_dirty(fs_info, 0); } int btrfs_read_buffer(struct extent_buffer *buf, u64 parent_transid) { struct btrfs_root *root = BTRFS_I(buf->pages[0]->mapping->host)->root; - return btree_read_extent_buffer_pages(root, buf, parent_transid); + struct btrfs_fs_info *fs_info = root->fs_info; + + return btree_read_extent_buffer_pages(fs_info, buf, parent_transid); } static int btrfs_check_super_valid(struct btrfs_fs_info *fs_info, @@ -4259,19 +4255,17 @@ static int btrfs_check_super_valid(struct btrfs_fs_info *fs_info, return ret; } -static void btrfs_error_commit_super(struct btrfs_root *root) +static void btrfs_error_commit_super(struct btrfs_fs_info *fs_info) { - struct btrfs_fs_info *fs_info = root->fs_info; - mutex_lock(&fs_info->cleaner_mutex); - btrfs_run_delayed_iputs(root); + btrfs_run_delayed_iputs(fs_info); mutex_unlock(&fs_info->cleaner_mutex); down_write(&fs_info->cleanup_work_sem); up_write(&fs_info->cleanup_work_sem); /* cleanup FS via transaction */ - btrfs_cleanup_transaction(root); + btrfs_cleanup_transaction(fs_info); } static void btrfs_destroy_ordered_extents(struct btrfs_root *root) @@ -4314,9 +4308,8 @@ static void btrfs_destroy_all_ordered_extents(struct btrfs_fs_info *fs_info) } static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans, - struct btrfs_root *root) + struct btrfs_fs_info *fs_info) { - struct btrfs_fs_info *fs_info = root->fs_info; struct rb_node *node; struct btrfs_delayed_ref_root *delayed_refs; struct btrfs_delayed_ref_node *ref; @@ -4372,7 +4365,7 @@ static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans, mutex_unlock(&head->mutex); if (pin_bytes) - btrfs_pin_extent(root, head->node.bytenr, + btrfs_pin_extent(fs_info, head->node.bytenr, head->node.num_bytes, 1); btrfs_put_delayed_ref(&head->node); cond_resched(); @@ -4436,11 +4429,10 @@ static void btrfs_destroy_all_delalloc_inodes(struct btrfs_fs_info *fs_info) spin_unlock(&fs_info->delalloc_root_lock); } -static int btrfs_destroy_marked_extents(struct btrfs_root *root, +static int btrfs_destroy_marked_extents(struct btrfs_fs_info *fs_info, struct extent_io_tree *dirty_pages, int mark) { - struct btrfs_fs_info *fs_info = root->fs_info; int ret; struct extent_buffer *eb; u64 start = 0; @@ -4470,10 +4462,9 @@ static int btrfs_destroy_marked_extents(struct btrfs_root *root, return ret; } -static int btrfs_destroy_pinned_extent(struct btrfs_root *root, +static int btrfs_destroy_pinned_extent(struct btrfs_fs_info *fs_info, struct extent_io_tree *pinned_extents) { - struct btrfs_fs_info *fs_info = root->fs_info; struct extent_io_tree *unpin; u64 start; u64 end; @@ -4489,7 +4480,7 @@ again: break; clear_extent_dirty(unpin, start, end); - btrfs_error_unpin_extent_range(root, start, end); + btrfs_error_unpin_extent_range(fs_info, start, end); cond_resched(); } @@ -4520,9 +4511,8 @@ static void btrfs_cleanup_bg_io(struct btrfs_block_group_cache *cache) } void btrfs_cleanup_dirty_bgs(struct btrfs_transaction *cur_trans, - struct btrfs_root *root) + struct btrfs_fs_info *fs_info) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_block_group_cache *cache; spin_lock(&cur_trans->dirty_bgs_lock); @@ -4572,14 +4562,13 @@ void btrfs_cleanup_dirty_bgs(struct btrfs_transaction *cur_trans, } void btrfs_cleanup_one_transaction(struct btrfs_transaction *cur_trans, - struct btrfs_root *root) + struct btrfs_fs_info *fs_info) { - struct btrfs_fs_info *fs_info = root->fs_info; - btrfs_cleanup_dirty_bgs(cur_trans, root); + btrfs_cleanup_dirty_bgs(cur_trans, fs_info); ASSERT(list_empty(&cur_trans->dirty_bgs)); ASSERT(list_empty(&cur_trans->io_bgs)); - btrfs_destroy_delayed_refs(cur_trans, root); + btrfs_destroy_delayed_refs(cur_trans, fs_info); cur_trans->state = TRANS_STATE_COMMIT_START; wake_up(&fs_info->transaction_blocked_wait); @@ -4590,9 +4579,9 @@ void btrfs_cleanup_one_transaction(struct btrfs_transaction *cur_trans, btrfs_destroy_delayed_inodes(fs_info); btrfs_assert_delayed_root_empty(fs_info); - btrfs_destroy_marked_extents(root, &cur_trans->dirty_pages, + btrfs_destroy_marked_extents(fs_info, &cur_trans->dirty_pages, EXTENT_DIRTY); - btrfs_destroy_pinned_extent(root, + btrfs_destroy_pinned_extent(fs_info, fs_info->pinned_extents); cur_trans->state =TRANS_STATE_COMPLETED; @@ -4604,9 +4593,8 @@ void btrfs_cleanup_one_transaction(struct btrfs_transaction *cur_trans, */ } -static int btrfs_cleanup_transaction(struct btrfs_root *root) +static int btrfs_cleanup_transaction(struct btrfs_fs_info *fs_info) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_transaction *t; mutex_lock(&fs_info->transaction_kthread_mutex); @@ -4618,7 +4606,7 @@ static int btrfs_cleanup_transaction(struct btrfs_root *root) if (t->state >= TRANS_STATE_COMMIT_START) { atomic_inc(&t->use_count); spin_unlock(&fs_info->trans_lock); - btrfs_wait_for_commit(root, t->transid); + btrfs_wait_for_commit(fs_info, t->transid); btrfs_put_transaction(t); spin_lock(&fs_info->trans_lock); continue; @@ -4635,7 +4623,7 @@ static int btrfs_cleanup_transaction(struct btrfs_root *root) } else { spin_unlock(&fs_info->trans_lock); } - btrfs_cleanup_one_transaction(t, root); + btrfs_cleanup_one_transaction(t, fs_info); spin_lock(&fs_info->trans_lock); if (t == fs_info->running_transaction) @@ -4644,14 +4632,14 @@ static int btrfs_cleanup_transaction(struct btrfs_root *root) spin_unlock(&fs_info->trans_lock); btrfs_put_transaction(t); - trace_btrfs_transaction_commit(root); + trace_btrfs_transaction_commit(fs_info->tree_root); spin_lock(&fs_info->trans_lock); } spin_unlock(&fs_info->trans_lock); btrfs_destroy_all_ordered_extents(fs_info); btrfs_destroy_delayed_inodes(fs_info); btrfs_assert_delayed_root_empty(fs_info); - btrfs_destroy_pinned_extent(root, fs_info->pinned_extents); + btrfs_destroy_pinned_extent(fs_info, fs_info->pinned_extents); btrfs_destroy_all_delalloc_inodes(fs_info); mutex_unlock(&fs_info->transaction_kthread_mutex); diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h index b7f971190922..44dcd9af6b7c 100644 --- a/fs/btrfs/disk-io.h +++ b/fs/btrfs/disk-io.h @@ -44,13 +44,14 @@ static inline u64 btrfs_sb_offset(int mirror) struct btrfs_device; struct btrfs_fs_devices; -struct extent_buffer *read_tree_block(struct btrfs_root *root, u64 bytenr, - u64 parent_transid); -void readahead_tree_block(struct btrfs_root *root, u64 bytenr); -int reada_tree_block_flagged(struct btrfs_root *root, u64 bytenr, +struct extent_buffer *read_tree_block(struct btrfs_fs_info *fs_info, + u64 bytenr, u64 parent_transid); +void readahead_tree_block(struct btrfs_fs_info *fs_info, u64 bytenr); +int reada_tree_block_flagged(struct btrfs_fs_info *fs_info, u64 bytenr, int mirror_num, struct extent_buffer **eb); -struct extent_buffer *btrfs_find_create_tree_block(struct btrfs_root *root, - u64 bytenr); +struct extent_buffer *btrfs_find_create_tree_block( + struct btrfs_fs_info *fs_info, + u64 bytenr); void clean_tree_block(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info, struct extent_buffer *buf); int open_ctree(struct super_block *sb, @@ -58,7 +59,7 @@ int open_ctree(struct super_block *sb, char *options); void close_ctree(struct btrfs_fs_info *fs_info); int write_ctree_super(struct btrfs_trans_handle *trans, - struct btrfs_root *root, int max_mirrors); + struct btrfs_fs_info *fs_info, int max_mirrors); struct buffer_head *btrfs_read_dev_super(struct block_device *bdev); int btrfs_read_dev_one_super(struct block_device *bdev, int copy_num, struct buffer_head **bh_ret); @@ -83,8 +84,8 @@ btrfs_read_fs_root_no_name(struct btrfs_fs_info *fs_info, } int btrfs_cleanup_fs_roots(struct btrfs_fs_info *fs_info); -void btrfs_btree_balance_dirty(struct btrfs_root *root); -void btrfs_btree_balance_dirty_nodelay(struct btrfs_root *root); +void btrfs_btree_balance_dirty(struct btrfs_fs_info *fs_info); +void btrfs_btree_balance_dirty_nodelay(struct btrfs_fs_info *fs_info); void btrfs_drop_and_free_fs_root(struct btrfs_fs_info *fs_info, struct btrfs_root *root); void btrfs_free_fs_root(struct btrfs_root *root); @@ -134,9 +135,9 @@ int btrfs_init_log_root_tree(struct btrfs_trans_handle *trans, int btrfs_add_log_tree(struct btrfs_trans_handle *trans, struct btrfs_root *root); void btrfs_cleanup_dirty_bgs(struct btrfs_transaction *trans, - struct btrfs_root *root); + struct btrfs_fs_info *fs_info); void btrfs_cleanup_one_transaction(struct btrfs_transaction *trans, - struct btrfs_root *root); + struct btrfs_fs_info *fs_info); struct btrfs_root *btrfs_create_tree(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info, u64 objectid); diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index d0c5d5d92d1c..0360e973378d 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -64,7 +64,7 @@ static int update_block_group(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info, u64 bytenr, u64 num_bytes, int alloc); static int __btrfs_free_extent(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, struct btrfs_delayed_ref_node *node, u64 parent, u64 root_objectid, u64 owner_objectid, u64 owner_offset, int refs_to_drop, @@ -73,17 +73,17 @@ static void __run_delayed_extent_op(struct btrfs_delayed_extent_op *extent_op, struct extent_buffer *leaf, struct btrfs_extent_item *ei); static int alloc_reserved_file_extent(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, u64 parent, u64 root_objectid, u64 flags, u64 owner, u64 offset, struct btrfs_key *ins, int ref_mod); static int alloc_reserved_tree_block(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, u64 parent, u64 root_objectid, u64 flags, struct btrfs_disk_key *key, int level, struct btrfs_key *ins); static int do_chunk_alloc(struct btrfs_trans_handle *trans, - struct btrfs_root *extent_root, u64 flags, + struct btrfs_fs_info *fs_info, u64 flags, int force); static int find_next_key(struct btrfs_path *path, int level, struct btrfs_key *key); @@ -96,8 +96,6 @@ static int btrfs_free_reserved_bytes(struct btrfs_block_group_cache *cache, u64 num_bytes, int delalloc); static int block_rsv_use_bytes(struct btrfs_block_rsv *block_rsv, u64 num_bytes); -int btrfs_pin_extent(struct btrfs_root *root, - u64 bytenr, u64 num_bytes, int reserved); static int __reserve_metadata_bytes(struct btrfs_root *root, struct btrfs_space_info *space_info, u64 orig_bytes, @@ -223,10 +221,9 @@ block_group_cache_tree_search(struct btrfs_fs_info *info, u64 bytenr, return ret; } -static int add_excluded_extent(struct btrfs_root *root, +static int add_excluded_extent(struct btrfs_fs_info *fs_info, u64 start, u64 num_bytes) { - struct btrfs_fs_info *fs_info = root->fs_info; u64 end = start + num_bytes - 1; set_extent_bits(&fs_info->freed_extents[0], start, end, EXTENT_UPTODATE); @@ -235,10 +232,9 @@ static int add_excluded_extent(struct btrfs_root *root, return 0; } -static void free_excluded_extents(struct btrfs_root *root, +static void free_excluded_extents(struct btrfs_fs_info *fs_info, struct btrfs_block_group_cache *cache) { - struct btrfs_fs_info *fs_info = root->fs_info; u64 start, end; start = cache->key.objectid; @@ -250,10 +246,9 @@ static void free_excluded_extents(struct btrfs_root *root, start, end, EXTENT_UPTODATE); } -static int exclude_super_stripes(struct btrfs_root *root, +static int exclude_super_stripes(struct btrfs_fs_info *fs_info, struct btrfs_block_group_cache *cache) { - struct btrfs_fs_info *fs_info = root->fs_info; u64 bytenr; u64 *logical; int stripe_len; @@ -262,7 +257,7 @@ static int exclude_super_stripes(struct btrfs_root *root, if (cache->key.objectid < BTRFS_SUPER_INFO_OFFSET) { stripe_len = BTRFS_SUPER_INFO_OFFSET - cache->key.objectid; cache->bytes_super += stripe_len; - ret = add_excluded_extent(root, cache->key.objectid, + ret = add_excluded_extent(fs_info, cache->key.objectid, stripe_len); if (ret) return ret; @@ -296,7 +291,7 @@ static int exclude_super_stripes(struct btrfs_root *root, } cache->bytes_super += len; - ret = add_excluded_extent(root, start, len); + ret = add_excluded_extent(fs_info, start, len); if (ret) { kfree(logical); return ret; @@ -332,11 +327,9 @@ static void put_caching_control(struct btrfs_caching_control *ctl) } #ifdef CONFIG_BTRFS_DEBUG -static void fragment_free_space(struct btrfs_root *root, - struct btrfs_block_group_cache *block_group) +static void fragment_free_space(struct btrfs_block_group_cache *block_group) { - struct btrfs_fs_info *fs_info = root->fs_info; - + struct btrfs_fs_info *fs_info = block_group->fs_info; u64 start = block_group->key.objectid; u64 len = block_group->key.offset; u64 chunk = block_group->flags & BTRFS_BLOCK_GROUP_METADATA ? @@ -423,7 +416,7 @@ static int load_extent_tree_free(struct btrfs_caching_control *caching_ctl) * allocate from this block group until we've had a chance to fragment * the free space. */ - if (btrfs_should_fragment_free_space(extent_root, block_group)) + if (btrfs_should_fragment_free_space(block_group)) wakeup = false; #endif /* @@ -562,7 +555,7 @@ static noinline void caching_thread(struct btrfs_work *work) spin_unlock(&block_group->lock); #ifdef CONFIG_BTRFS_DEBUG - if (btrfs_should_fragment_free_space(extent_root, block_group)) { + if (btrfs_should_fragment_free_space(block_group)) { u64 bytes_used; spin_lock(&block_group->space_info->lock); @@ -572,14 +565,14 @@ static noinline void caching_thread(struct btrfs_work *work) block_group->space_info->bytes_used += bytes_used >> 1; spin_unlock(&block_group->lock); spin_unlock(&block_group->space_info->lock); - fragment_free_space(extent_root, block_group); + fragment_free_space(block_group); } #endif caching_ctl->progress = (u64)-1; up_read(&fs_info->commit_root_sem); - free_excluded_extents(fs_info->extent_root, block_group); + free_excluded_extents(fs_info, block_group); mutex_unlock(&caching_ctl->mutex); wake_up(&caching_ctl->wait); @@ -669,8 +662,7 @@ static int cache_block_group(struct btrfs_block_group_cache *cache, spin_unlock(&cache->lock); #ifdef CONFIG_BTRFS_DEBUG if (ret == 1 && - btrfs_should_fragment_free_space(fs_info->extent_root, - cache)) { + btrfs_should_fragment_free_space(cache)) { u64 bytes_used; spin_lock(&cache->space_info->lock); @@ -680,7 +672,7 @@ static int cache_block_group(struct btrfs_block_group_cache *cache, cache->space_info->bytes_used += bytes_used >> 1; spin_unlock(&cache->lock); spin_unlock(&cache->space_info->lock); - fragment_free_space(fs_info->extent_root, cache); + fragment_free_space(cache); } #endif mutex_unlock(&caching_ctl->mutex); @@ -688,7 +680,7 @@ static int cache_block_group(struct btrfs_block_group_cache *cache, wake_up(&caching_ctl->wait); if (ret == 1) { put_caching_control(caching_ctl); - free_excluded_extents(fs_info->extent_root, cache); + free_excluded_extents(fs_info, cache); return 0; } } else { @@ -779,9 +771,8 @@ void btrfs_clear_space_info_full(struct btrfs_fs_info *info) } /* simple helper to search for an existing data extent at a given offset */ -int btrfs_lookup_data_extent(struct btrfs_root *root, u64 start, u64 len) +int btrfs_lookup_data_extent(struct btrfs_fs_info *fs_info, u64 start, u64 len) { - struct btrfs_fs_info *fs_info = root->fs_info; int ret; struct btrfs_key key; struct btrfs_path *path; @@ -808,10 +799,9 @@ int btrfs_lookup_data_extent(struct btrfs_root *root, u64 start, u64 len) * the delayed refs are not processed. */ int btrfs_lookup_extent_info(struct btrfs_trans_handle *trans, - struct btrfs_root *root, u64 bytenr, + struct btrfs_fs_info *fs_info, u64 bytenr, u64 offset, int metadata, u64 *refs, u64 *flags) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_delayed_ref_head *head; struct btrfs_delayed_ref_root *delayed_refs; struct btrfs_path *path; @@ -1102,7 +1092,7 @@ static int convert_extent_item_v0(struct btrfs_trans_handle *trans, return ret; BUG_ON(ret); /* Corruption */ - btrfs_extend_item(root, path, new_size); + btrfs_extend_item(root->fs_info, path, new_size); leaf = path->nodes[0]; item = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item); @@ -1749,7 +1739,7 @@ void setup_inline_extent_backref(struct btrfs_root *root, type = extent_ref_type(parent, owner); size = btrfs_extent_inline_ref_size(type); - btrfs_extend_item(root, path, size); + btrfs_extend_item(root->fs_info, path, size); ei = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item); refs = btrfs_extent_refs(leaf, ei); @@ -1876,7 +1866,7 @@ void update_inline_extent_backref(struct btrfs_root *root, memmove_extent_buffer(leaf, ptr, ptr + size, end - ptr - size); item_size -= size; - btrfs_truncate_item(root, path, item_size, 1); + btrfs_truncate_item(root->fs_info, path, item_size, 1); } btrfs_mark_buffer_dirty(leaf); } @@ -2023,10 +2013,9 @@ static int btrfs_issue_discard(struct block_device *bdev, u64 start, u64 len, return ret; } -int btrfs_discard_extent(struct btrfs_root *root, u64 bytenr, +int btrfs_discard_extent(struct btrfs_fs_info *fs_info, u64 bytenr, u64 num_bytes, u64 *actual_bytes) { - struct btrfs_fs_info *fs_info = root->fs_info; int ret; u64 discarded_bytes = 0; struct btrfs_bio *bbio = NULL; @@ -2082,12 +2071,11 @@ int btrfs_discard_extent(struct btrfs_root *root, u64 bytenr, /* Can return -ENOMEM */ int btrfs_inc_extent_ref(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, u64 bytenr, u64 num_bytes, u64 parent, u64 root_objectid, u64 owner, u64 offset) { int ret; - struct btrfs_fs_info *fs_info = root->fs_info; BUG_ON(owner < BTRFS_FIRST_FREE_OBJECTID && root_objectid == BTRFS_TREE_LOG_OBJECTID); @@ -2107,13 +2095,12 @@ int btrfs_inc_extent_ref(struct btrfs_trans_handle *trans, } static int __btrfs_inc_extent_ref(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, struct btrfs_delayed_ref_node *node, u64 parent, u64 root_objectid, u64 owner, u64 offset, int refs_to_add, struct btrfs_delayed_extent_op *extent_op) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_path *path; struct extent_buffer *leaf; struct btrfs_extent_item *item; @@ -2167,12 +2154,11 @@ out: } static int run_delayed_data_ref(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, struct btrfs_delayed_ref_node *node, struct btrfs_delayed_extent_op *extent_op, int insert_reserved) { - struct btrfs_fs_info *fs_info = root->fs_info; int ret = 0; struct btrfs_delayed_data_ref *ref; struct btrfs_key ins; @@ -2194,17 +2180,17 @@ static int run_delayed_data_ref(struct btrfs_trans_handle *trans, if (node->action == BTRFS_ADD_DELAYED_REF && insert_reserved) { if (extent_op) flags |= extent_op->flags_to_set; - ret = alloc_reserved_file_extent(trans, root, + ret = alloc_reserved_file_extent(trans, fs_info, parent, ref_root, flags, ref->objectid, ref->offset, &ins, node->ref_mod); } else if (node->action == BTRFS_ADD_DELAYED_REF) { - ret = __btrfs_inc_extent_ref(trans, root, node, parent, + ret = __btrfs_inc_extent_ref(trans, fs_info, node, parent, ref_root, ref->objectid, ref->offset, node->ref_mod, extent_op); } else if (node->action == BTRFS_DROP_DELAYED_REF) { - ret = __btrfs_free_extent(trans, root, node, parent, + ret = __btrfs_free_extent(trans, fs_info, node, parent, ref_root, ref->objectid, ref->offset, node->ref_mod, extent_op); @@ -2233,11 +2219,10 @@ static void __run_delayed_extent_op(struct btrfs_delayed_extent_op *extent_op, } static int run_delayed_extent_op(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, struct btrfs_delayed_ref_node *node, struct btrfs_delayed_extent_op *extent_op) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_key key; struct btrfs_path *path; struct btrfs_extent_item *ei; @@ -2326,12 +2311,11 @@ out: } static int run_delayed_tree_ref(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, struct btrfs_delayed_ref_node *node, struct btrfs_delayed_extent_op *extent_op, int insert_reserved) { - struct btrfs_fs_info *fs_info = root->fs_info; int ret = 0; struct btrfs_delayed_tree_ref *ref; struct btrfs_key ins; @@ -2356,7 +2340,7 @@ static int run_delayed_tree_ref(struct btrfs_trans_handle *trans, } if (node->ref_mod != 1) { - btrfs_err(root->fs_info, + btrfs_err(fs_info, "btree block(%llu) has %d references rather than 1: action %d ref_root %llu parent %llu", node->bytenr, node->ref_mod, node->action, ref_root, parent); @@ -2364,18 +2348,18 @@ static int run_delayed_tree_ref(struct btrfs_trans_handle *trans, } if (node->action == BTRFS_ADD_DELAYED_REF && insert_reserved) { BUG_ON(!extent_op || !extent_op->update_flags); - ret = alloc_reserved_tree_block(trans, root, + ret = alloc_reserved_tree_block(trans, fs_info, parent, ref_root, extent_op->flags_to_set, &extent_op->key, ref->level, &ins); } else if (node->action == BTRFS_ADD_DELAYED_REF) { - ret = __btrfs_inc_extent_ref(trans, root, node, + ret = __btrfs_inc_extent_ref(trans, fs_info, node, parent, ref_root, ref->level, 0, 1, extent_op); } else if (node->action == BTRFS_DROP_DELAYED_REF) { - ret = __btrfs_free_extent(trans, root, node, + ret = __btrfs_free_extent(trans, fs_info, node, parent, ref_root, ref->level, 0, 1, extent_op); } else { @@ -2386,17 +2370,16 @@ static int run_delayed_tree_ref(struct btrfs_trans_handle *trans, /* helper function to actually process a single delayed ref entry */ static int run_one_delayed_ref(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, struct btrfs_delayed_ref_node *node, struct btrfs_delayed_extent_op *extent_op, int insert_reserved) { - struct btrfs_fs_info *fs_info = root->fs_info; int ret = 0; if (trans->aborted) { if (insert_reserved) - btrfs_pin_extent(root, node->bytenr, + btrfs_pin_extent(fs_info, node->bytenr, node->num_bytes, 1); return 0; } @@ -2414,7 +2397,7 @@ static int run_one_delayed_ref(struct btrfs_trans_handle *trans, trace_run_delayed_ref_head(fs_info, node, head, node->action); if (insert_reserved) { - btrfs_pin_extent(root, node->bytenr, + btrfs_pin_extent(fs_info, node->bytenr, node->num_bytes, 1); if (head->is_data) { ret = btrfs_del_csums(trans, fs_info, @@ -2431,11 +2414,11 @@ static int run_one_delayed_ref(struct btrfs_trans_handle *trans, if (node->type == BTRFS_TREE_BLOCK_REF_KEY || node->type == BTRFS_SHARED_BLOCK_REF_KEY) - ret = run_delayed_tree_ref(trans, root, node, extent_op, + ret = run_delayed_tree_ref(trans, fs_info, node, extent_op, insert_reserved); else if (node->type == BTRFS_EXTENT_DATA_REF_KEY || node->type == BTRFS_SHARED_DATA_REF_KEY) - ret = run_delayed_data_ref(trans, root, node, extent_op, + ret = run_delayed_data_ref(trans, fs_info, node, extent_op, insert_reserved); else BUG(); @@ -2471,14 +2454,13 @@ select_delayed_ref(struct btrfs_delayed_ref_head *head) * Returns -ENOMEM or -EIO on failure and will abort the transaction. */ static noinline int __btrfs_run_delayed_refs(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, unsigned long nr) { struct btrfs_delayed_ref_root *delayed_refs; struct btrfs_delayed_ref_node *ref; struct btrfs_delayed_ref_head *locked_ref = NULL; struct btrfs_delayed_extent_op *extent_op; - struct btrfs_fs_info *fs_info = root->fs_info; ktime_t start = ktime_get(); int ret; unsigned long count = 0; @@ -2577,7 +2559,7 @@ static noinline int __btrfs_run_delayed_refs(struct btrfs_trans_handle *trans, if (extent_op) { spin_unlock(&locked_ref->lock); - ret = run_delayed_extent_op(trans, root, + ret = run_delayed_extent_op(trans, fs_info, ref, extent_op); btrfs_free_delayed_extent_op(extent_op); @@ -2647,7 +2629,7 @@ static noinline int __btrfs_run_delayed_refs(struct btrfs_trans_handle *trans, } spin_unlock(&locked_ref->lock); - ret = run_one_delayed_ref(trans, root, ref, extent_op, + ret = run_one_delayed_ref(trans, fs_info, ref, extent_op, must_insert_reserved); btrfs_free_delayed_extent_op(extent_op); @@ -2748,9 +2730,8 @@ static u64 find_middle(struct rb_root *root) } #endif -static inline u64 heads_to_leaves(struct btrfs_root *root, u64 heads) +static inline u64 heads_to_leaves(struct btrfs_fs_info *fs_info, u64 heads) { - struct btrfs_fs_info *fs_info = root->fs_info; u64 num_bytes; num_bytes = heads * (sizeof(struct btrfs_extent_item) + @@ -2769,9 +2750,8 @@ static inline u64 heads_to_leaves(struct btrfs_root *root, u64 heads) * Takes the number of bytes to be csumm'ed and figures out how many leaves it * would require to store the csums for that many bytes. */ -u64 btrfs_csum_bytes_to_leaves(struct btrfs_root *root, u64 csum_bytes) +u64 btrfs_csum_bytes_to_leaves(struct btrfs_fs_info *fs_info, u64 csum_bytes) { - struct btrfs_fs_info *fs_info = root->fs_info; u64 csum_size; u64 num_csums_per_leaf; u64 num_csums; @@ -2786,9 +2766,8 @@ u64 btrfs_csum_bytes_to_leaves(struct btrfs_root *root, u64 csum_bytes) } int btrfs_check_space_for_delayed_refs(struct btrfs_trans_handle *trans, - struct btrfs_root *root) + struct btrfs_fs_info *fs_info) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_block_rsv *global_rsv; u64 num_heads = trans->transaction->delayed_refs.num_heads_ready; u64 csum_bytes = trans->transaction->delayed_refs.pending_csums; @@ -2797,11 +2776,12 @@ int btrfs_check_space_for_delayed_refs(struct btrfs_trans_handle *trans, int ret = 0; num_bytes = btrfs_calc_trans_metadata_size(fs_info, 1); - num_heads = heads_to_leaves(root, num_heads); + num_heads = heads_to_leaves(fs_info, num_heads); if (num_heads > 1) num_bytes += (num_heads - 1) * fs_info->nodesize; num_bytes <<= 1; - num_bytes += btrfs_csum_bytes_to_leaves(root, csum_bytes) * fs_info->nodesize; + num_bytes += btrfs_csum_bytes_to_leaves(fs_info, csum_bytes) * + fs_info->nodesize; num_dirty_bgs_bytes = btrfs_calc_trans_metadata_size(fs_info, num_dirty_bgs); global_rsv = &fs_info->global_block_rsv; @@ -2823,9 +2803,8 @@ int btrfs_check_space_for_delayed_refs(struct btrfs_trans_handle *trans, } int btrfs_should_throttle_delayed_refs(struct btrfs_trans_handle *trans, - struct btrfs_root *root) + struct btrfs_fs_info *fs_info) { - struct btrfs_fs_info *fs_info = root->fs_info; u64 num_entries = atomic_read(&trans->transaction->delayed_refs.num_entries); u64 avg_runtime; @@ -2839,7 +2818,7 @@ int btrfs_should_throttle_delayed_refs(struct btrfs_trans_handle *trans, if (val >= NSEC_PER_SEC / 2) return 2; - return btrfs_check_space_for_delayed_refs(trans, root); + return btrfs_check_space_for_delayed_refs(trans, fs_info); } struct async_delayed_refs { @@ -2852,16 +2831,21 @@ struct async_delayed_refs { struct btrfs_work work; }; +static inline struct async_delayed_refs * +to_async_delayed_refs(struct btrfs_work *work) +{ + return container_of(work, struct async_delayed_refs, work); +} + static void delayed_ref_async_start(struct btrfs_work *work) { - struct async_delayed_refs *async; + struct async_delayed_refs *async = to_async_delayed_refs(work); struct btrfs_trans_handle *trans; + struct btrfs_fs_info *fs_info = async->root->fs_info; int ret; - async = container_of(work, struct async_delayed_refs, work); - /* if the commit is already started, we don't need to wait here */ - if (btrfs_transaction_blocked(async->root->fs_info)) + if (btrfs_transaction_blocked(fs_info)) goto done; trans = btrfs_join_transaction(async->root); @@ -2880,7 +2864,7 @@ static void delayed_ref_async_start(struct btrfs_work *work) if (trans->transid > async->transid) goto end; - ret = btrfs_run_delayed_refs(trans, async->root, async->count); + ret = btrfs_run_delayed_refs(trans, fs_info, async->count); if (ret) async->error = ret; end: @@ -2894,10 +2878,9 @@ done: kfree(async); } -int btrfs_async_run_delayed_refs(struct btrfs_root *root, +int btrfs_async_run_delayed_refs(struct btrfs_fs_info *fs_info, unsigned long count, u64 transid, int wait) { - struct btrfs_fs_info *fs_info = root->fs_info; struct async_delayed_refs *async; int ret; @@ -2940,9 +2923,8 @@ int btrfs_async_run_delayed_refs(struct btrfs_root *root, * Returns <0 on error and aborts the transaction */ int btrfs_run_delayed_refs(struct btrfs_trans_handle *trans, - struct btrfs_root *root, unsigned long count) + struct btrfs_fs_info *fs_info, unsigned long count) { - struct btrfs_fs_info *fs_info = root->fs_info; struct rb_node *node; struct btrfs_delayed_ref_root *delayed_refs; struct btrfs_delayed_ref_head *head; @@ -2957,9 +2939,6 @@ int btrfs_run_delayed_refs(struct btrfs_trans_handle *trans, if (test_bit(BTRFS_FS_CREATING_FREE_SPACE_TREE, &fs_info->flags)) return 0; - if (root == fs_info->extent_root) - root = fs_info->tree_root; - delayed_refs = &trans->transaction->delayed_refs; if (count == 0) count = atomic_read(&delayed_refs->num_entries) * 2; @@ -2969,7 +2948,7 @@ again: delayed_refs->run_delayed_start = find_middle(&delayed_refs->root); #endif trans->can_flush_pending_bgs = false; - ret = __btrfs_run_delayed_refs(trans, root, count); + ret = __btrfs_run_delayed_refs(trans, fs_info, count); if (ret < 0) { btrfs_abort_transaction(trans, ret); return ret; @@ -2977,7 +2956,7 @@ again: if (run_all) { if (!list_empty(&trans->new_bgs)) - btrfs_create_pending_block_groups(trans, root); + btrfs_create_pending_block_groups(trans, fs_info); spin_lock(&delayed_refs->lock); node = rb_first(&delayed_refs->href_root); @@ -3022,11 +3001,10 @@ out: } int btrfs_set_disk_extent_flags(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, u64 bytenr, u64 num_bytes, u64 flags, int level, int is_data) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_delayed_extent_op *extent_op; int ret; @@ -3233,7 +3211,8 @@ static int __btrfs_mod_ref(struct btrfs_trans_handle *trans, int i; int level; int ret = 0; - int (*process_func)(struct btrfs_trans_handle *, struct btrfs_root *, + int (*process_func)(struct btrfs_trans_handle *, + struct btrfs_fs_info *, u64, u64, u64, u64, u64, u64); @@ -3273,7 +3252,7 @@ static int __btrfs_mod_ref(struct btrfs_trans_handle *trans, num_bytes = btrfs_file_extent_disk_num_bytes(buf, fi); key.offset -= btrfs_file_extent_offset(buf, fi); - ret = process_func(trans, root, bytenr, num_bytes, + ret = process_func(trans, fs_info, bytenr, num_bytes, parent, ref_root, key.objectid, key.offset); if (ret) @@ -3281,7 +3260,7 @@ static int __btrfs_mod_ref(struct btrfs_trans_handle *trans, } else { bytenr = btrfs_node_blockptr(buf, i); num_bytes = fs_info->nodesize; - ret = process_func(trans, root, bytenr, num_bytes, + ret = process_func(trans, fs_info, bytenr, num_bytes, parent, ref_root, level - 1, 0); if (ret) goto fail; @@ -3305,12 +3284,11 @@ int btrfs_dec_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root, } static int write_one_cache_group(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, struct btrfs_path *path, struct btrfs_block_group_cache *cache) { int ret; - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_root *extent_root = fs_info->extent_root; unsigned long bi; struct extent_buffer *leaf; @@ -3333,10 +3311,9 @@ fail: } static struct btrfs_block_group_cache * -next_block_group(struct btrfs_root *root, +next_block_group(struct btrfs_fs_info *fs_info, struct btrfs_block_group_cache *cache) { - struct btrfs_fs_info *fs_info = root->fs_info; struct rb_node *node; spin_lock(&fs_info->block_group_cache_lock); @@ -3439,7 +3416,7 @@ again: WARN_ON(ret); if (i_size_read(inode) > 0) { - ret = btrfs_check_trunc_cache_free_space(root, + ret = btrfs_check_trunc_cache_free_space(fs_info, &fs_info->global_block_rsv); if (ret) goto out_put; @@ -3520,9 +3497,8 @@ out: } int btrfs_setup_space_cache(struct btrfs_trans_handle *trans, - struct btrfs_root *root) + struct btrfs_fs_info *fs_info) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_block_group_cache *cache, *tmp; struct btrfs_transaction *cur_trans = trans->transaction; struct btrfs_path *path; @@ -3559,9 +3535,8 @@ int btrfs_setup_space_cache(struct btrfs_trans_handle *trans, * we're still allowing others to join the commit. */ int btrfs_start_dirty_block_groups(struct btrfs_trans_handle *trans, - struct btrfs_root *root) + struct btrfs_fs_info *fs_info) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_block_group_cache *cache; struct btrfs_transaction *cur_trans = trans->transaction; int ret = 0; @@ -3585,7 +3560,7 @@ again: * make sure all the block groups on our dirty list actually * exist */ - btrfs_create_pending_block_groups(trans, root); + btrfs_create_pending_block_groups(trans, fs_info); if (!path) { path = btrfs_alloc_path(); @@ -3653,7 +3628,8 @@ again: } } if (!ret) { - ret = write_one_cache_group(trans, root, path, cache); + ret = write_one_cache_group(trans, fs_info, + path, cache); /* * Our block group might still be attached to the list * of new block groups in the transaction handle of some @@ -3698,7 +3674,7 @@ again: * go through delayed refs for all the stuff we've just kicked off * and then loop back (just once) */ - ret = btrfs_run_delayed_refs(trans, root, 0); + ret = btrfs_run_delayed_refs(trans, fs_info, 0); if (!ret && loops == 0) { loops++; spin_lock(&cur_trans->dirty_bgs_lock); @@ -3713,7 +3689,7 @@ again: } spin_unlock(&cur_trans->dirty_bgs_lock); } else if (ret < 0) { - btrfs_cleanup_dirty_bgs(cur_trans, root); + btrfs_cleanup_dirty_bgs(cur_trans, fs_info); } btrfs_free_path(path); @@ -3721,9 +3697,8 @@ again: } int btrfs_write_dirty_block_groups(struct btrfs_trans_handle *trans, - struct btrfs_root *root) + struct btrfs_fs_info *fs_info) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_block_group_cache *cache; struct btrfs_transaction *cur_trans = trans->transaction; int ret = 0; @@ -3781,7 +3756,8 @@ int btrfs_write_dirty_block_groups(struct btrfs_trans_handle *trans, cache_save_setup(cache, trans, path); if (!ret) - ret = btrfs_run_delayed_refs(trans, root, (unsigned long) -1); + ret = btrfs_run_delayed_refs(trans, fs_info, + (unsigned long) -1); if (!ret && cache->disk_cache_state == BTRFS_DC_SETUP) { cache->io_ctl.inode = NULL; @@ -3800,7 +3776,8 @@ int btrfs_write_dirty_block_groups(struct btrfs_trans_handle *trans, } } if (!ret) { - ret = write_one_cache_group(trans, root, path, cache); + ret = write_one_cache_group(trans, fs_info, + path, cache); /* * One of the free space endio workers might have * created a new block group while updating a free space @@ -3817,8 +3794,8 @@ int btrfs_write_dirty_block_groups(struct btrfs_trans_handle *trans, if (ret == -ENOENT) { wait_event(cur_trans->writer_wait, atomic_read(&cur_trans->num_writers) == 1); - ret = write_one_cache_group(trans, root, path, - cache); + ret = write_one_cache_group(trans, fs_info, + path, cache); } if (ret) btrfs_abort_transaction(trans, ret); @@ -3843,9 +3820,8 @@ int btrfs_write_dirty_block_groups(struct btrfs_trans_handle *trans, return ret; } -int btrfs_extent_readonly(struct btrfs_root *root, u64 bytenr) +int btrfs_extent_readonly(struct btrfs_fs_info *fs_info, u64 bytenr) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_block_group_cache *block_group; int readonly = 0; @@ -4058,9 +4034,8 @@ static u64 get_restripe_target(struct btrfs_fs_info *fs_info, u64 flags) * progress (either running or paused) picks the target profile (if it's * already available), otherwise falls back to plain reducing. */ -static u64 btrfs_reduce_alloc_profile(struct btrfs_root *root, u64 flags) +static u64 btrfs_reduce_alloc_profile(struct btrfs_fs_info *fs_info, u64 flags) { - struct btrfs_fs_info *fs_info = root->fs_info; u64 num_devices = fs_info->fs_devices->rw_devices; u64 target; u64 raid_type; @@ -4104,9 +4079,8 @@ static u64 btrfs_reduce_alloc_profile(struct btrfs_root *root, u64 flags) return extended_to_chunk(flags | allowed); } -static u64 get_alloc_profile(struct btrfs_root *root, u64 orig_flags) +static u64 get_alloc_profile(struct btrfs_fs_info *fs_info, u64 orig_flags) { - struct btrfs_fs_info *fs_info = root->fs_info; unsigned seq; u64 flags; @@ -4122,7 +4096,7 @@ static u64 get_alloc_profile(struct btrfs_root *root, u64 orig_flags) flags |= fs_info->avail_metadata_alloc_bits; } while (read_seqretry(&fs_info->profiles_lock, seq)); - return btrfs_reduce_alloc_profile(root, flags); + return btrfs_reduce_alloc_profile(fs_info, flags); } u64 btrfs_get_alloc_profile(struct btrfs_root *root, int data) @@ -4138,7 +4112,7 @@ u64 btrfs_get_alloc_profile(struct btrfs_root *root, int data) else flags = BTRFS_BLOCK_GROUP_METADATA; - ret = get_alloc_profile(root, flags); + ret = get_alloc_profile(fs_info, flags); return ret; } @@ -4199,8 +4173,7 @@ alloc: if (IS_ERR(trans)) return PTR_ERR(trans); - ret = do_chunk_alloc(trans, fs_info->extent_root, - alloc_target, + ret = do_chunk_alloc(trans, fs_info, alloc_target, CHUNK_ALLOC_NO_FORCE); btrfs_end_transaction(trans, root); if (ret < 0) { @@ -4370,10 +4343,9 @@ static inline u64 calc_global_rsv_need_space(struct btrfs_block_rsv *global) return (global->size << 1); } -static int should_alloc_chunk(struct btrfs_root *root, +static int should_alloc_chunk(struct btrfs_fs_info *fs_info, struct btrfs_space_info *sinfo, int force) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_block_rsv *global_rsv = &fs_info->global_block_rsv; u64 num_bytes = sinfo->total_bytes - sinfo->bytes_readonly; u64 num_allocated = sinfo->bytes_used + sinfo->bytes_reserved; @@ -4407,9 +4379,8 @@ static int should_alloc_chunk(struct btrfs_root *root, return 1; } -static u64 get_profile_num_devs(struct btrfs_root *root, u64 type) +static u64 get_profile_num_devs(struct btrfs_fs_info *fs_info, u64 type) { - struct btrfs_fs_info *fs_info = root->fs_info; u64 num_dev; if (type & (BTRFS_BLOCK_GROUP_RAID10 | @@ -4431,10 +4402,8 @@ static u64 get_profile_num_devs(struct btrfs_root *root, u64 type) * removing a chunk. */ void check_system_chunk(struct btrfs_trans_handle *trans, - struct btrfs_root *root, - u64 type) + struct btrfs_fs_info *fs_info, u64 type) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_space_info *info; u64 left; u64 thresh; @@ -4454,7 +4423,7 @@ void check_system_chunk(struct btrfs_trans_handle *trans, info->bytes_may_use; spin_unlock(&info->lock); - num_devs = get_profile_num_devs(root, type); + num_devs = get_profile_num_devs(fs_info, type); /* num_devs device items to update and 1 chunk item to add or remove */ thresh = btrfs_calc_trunc_metadata_size(fs_info, num_devs) + @@ -4476,7 +4445,7 @@ void check_system_chunk(struct btrfs_trans_handle *trans, * the paths we visit in the chunk tree (they were already COWed * or created in the current transaction for example). */ - ret = btrfs_alloc_chunk(trans, root, flags); + ret = btrfs_alloc_chunk(trans, fs_info, flags); } if (!ret) { @@ -4498,10 +4467,9 @@ void check_system_chunk(struct btrfs_trans_handle *trans, * - return errors including -ENOSPC otherwise. */ static int do_chunk_alloc(struct btrfs_trans_handle *trans, - struct btrfs_root *extent_root, u64 flags, int force) + struct btrfs_fs_info *fs_info, u64 flags, int force) { struct btrfs_space_info *space_info; - struct btrfs_fs_info *fs_info = extent_root->fs_info; int wait_for_alloc = 0; int ret = 0; @@ -4521,7 +4489,7 @@ again: if (force < space_info->force_alloc) force = space_info->force_alloc; if (space_info->full) { - if (should_alloc_chunk(extent_root, space_info, force)) + if (should_alloc_chunk(fs_info, space_info, force)) ret = -ENOSPC; else ret = 0; @@ -4529,7 +4497,7 @@ again: return ret; } - if (!should_alloc_chunk(extent_root, space_info, force)) { + if (!should_alloc_chunk(fs_info, space_info, force)) { spin_unlock(&space_info->lock); return 0; } else if (space_info->chunk_alloc) { @@ -4579,9 +4547,9 @@ again: * Check if we have enough space in SYSTEM chunk because we may need * to update devices. */ - check_system_chunk(trans, extent_root, flags); + check_system_chunk(trans, fs_info, flags); - ret = btrfs_alloc_chunk(trans, extent_root, flags); + ret = btrfs_alloc_chunk(trans, fs_info, flags); trans->allocating_chunk = false; spin_lock(&space_info->lock); @@ -4613,7 +4581,7 @@ out: */ if (trans->can_flush_pending_bgs && trans->chunk_bytes_reserved >= (u64)SZ_2M) { - btrfs_create_pending_block_groups(trans, extent_root); + btrfs_create_pending_block_groups(trans, fs_info); btrfs_trans_release_chunk_metadata(trans); } return ret; @@ -4682,10 +4650,9 @@ static int can_overcommit(struct btrfs_root *root, return 0; } -static void btrfs_writeback_inodes_sb_nr(struct btrfs_root *root, +static void btrfs_writeback_inodes_sb_nr(struct btrfs_fs_info *fs_info, unsigned long nr_pages, int nr_items) { - struct btrfs_fs_info *fs_info = root->fs_info; struct super_block *sb = fs_info->sb; if (down_read_trylock(&sb->s_umount)) { @@ -4705,12 +4672,13 @@ static void btrfs_writeback_inodes_sb_nr(struct btrfs_root *root, } } -static inline int calc_reclaim_items_nr(struct btrfs_root *root, u64 to_reclaim) +static inline int calc_reclaim_items_nr(struct btrfs_fs_info *fs_info, + u64 to_reclaim) { u64 bytes; int nr; - bytes = btrfs_calc_trans_metadata_size(root->fs_info, 1); + bytes = btrfs_calc_trans_metadata_size(fs_info, 1); nr = (int)div64_u64(to_reclaim, bytes); if (!nr) nr = 1; @@ -4738,7 +4706,7 @@ static void shrink_delalloc(struct btrfs_root *root, u64 to_reclaim, u64 orig, enum btrfs_reserve_flush_enum flush; /* Calc the number of the pages we need flush for space reservation */ - items = calc_reclaim_items_nr(root, to_reclaim); + items = calc_reclaim_items_nr(fs_info, to_reclaim); to_reclaim = (u64)items * EXTENT_SIZE_PER_ITEM; trans = (struct btrfs_trans_handle *)current->journal_info; @@ -4759,7 +4727,7 @@ static void shrink_delalloc(struct btrfs_root *root, u64 to_reclaim, u64 orig, while (delalloc_bytes && loops < 3) { max_reclaim = min(delalloc_bytes, to_reclaim); nr_pages = max_reclaim >> PAGE_SHIFT; - btrfs_writeback_inodes_sb_nr(root, nr_pages, items); + btrfs_writeback_inodes_sb_nr(fs_info, nr_pages, items); /* * We need to wait for the async pages to actually start before * we do anything. @@ -4879,7 +4847,7 @@ static int flush_space(struct btrfs_root *root, case FLUSH_DELAYED_ITEMS_NR: case FLUSH_DELAYED_ITEMS: if (state == FLUSH_DELAYED_ITEMS_NR) - nr = calc_reclaim_items_nr(root, num_bytes) * 2; + nr = calc_reclaim_items_nr(fs_info, num_bytes) * 2; else nr = -1; @@ -4888,7 +4856,7 @@ static int flush_space(struct btrfs_root *root, ret = PTR_ERR(trans); break; } - ret = btrfs_run_delayed_items_nr(trans, root, nr); + ret = btrfs_run_delayed_items_nr(trans, fs_info, nr); btrfs_end_transaction(trans, root); break; case FLUSH_DELALLOC: @@ -4902,7 +4870,7 @@ static int flush_space(struct btrfs_root *root, ret = PTR_ERR(trans); break; } - ret = do_chunk_alloc(trans, fs_info->extent_root, + ret = do_chunk_alloc(trans, fs_info, btrfs_get_alloc_profile(root, 0), CHUNK_ALLOC_NO_FORCE); btrfs_end_transaction(trans, root); @@ -5531,11 +5499,10 @@ void btrfs_init_block_rsv(struct btrfs_block_rsv *rsv, unsigned short type) rsv->type = type; } -struct btrfs_block_rsv *btrfs_alloc_block_rsv(struct btrfs_root *root, +struct btrfs_block_rsv *btrfs_alloc_block_rsv(struct btrfs_fs_info *fs_info, unsigned short type) { struct btrfs_block_rsv *block_rsv; - struct btrfs_fs_info *fs_info = root->fs_info; block_rsv = kmalloc(sizeof(*block_rsv), GFP_NOFS); if (!block_rsv) @@ -5547,12 +5514,12 @@ struct btrfs_block_rsv *btrfs_alloc_block_rsv(struct btrfs_root *root, return block_rsv; } -void btrfs_free_block_rsv(struct btrfs_root *root, +void btrfs_free_block_rsv(struct btrfs_fs_info *fs_info, struct btrfs_block_rsv *rsv) { if (!rsv) return; - btrfs_block_rsv_release(root, rsv, (u64)-1); + btrfs_block_rsv_release(fs_info, rsv, (u64)-1); kfree(rsv); } @@ -5579,8 +5546,7 @@ int btrfs_block_rsv_add(struct btrfs_root *root, return ret; } -int btrfs_block_rsv_check(struct btrfs_root *root, - struct btrfs_block_rsv *block_rsv, int min_factor) +int btrfs_block_rsv_check(struct btrfs_block_rsv *block_rsv, int min_factor) { u64 num_bytes = 0; int ret = -ENOSPC; @@ -5627,11 +5593,10 @@ int btrfs_block_rsv_refill(struct btrfs_root *root, return ret; } -void btrfs_block_rsv_release(struct btrfs_root *root, +void btrfs_block_rsv_release(struct btrfs_fs_info *fs_info, struct btrfs_block_rsv *block_rsv, u64 num_bytes) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_block_rsv *global_rsv = &fs_info->global_block_rsv; if (global_rsv == block_rsv || @@ -5732,10 +5697,8 @@ static void release_global_block_rsv(struct btrfs_fs_info *fs_info) } void btrfs_trans_release_metadata(struct btrfs_trans_handle *trans, - struct btrfs_root *root) + struct btrfs_fs_info *fs_info) { - struct btrfs_fs_info *fs_info = root->fs_info; - if (!trans->block_rsv) return; @@ -5744,7 +5707,8 @@ void btrfs_trans_release_metadata(struct btrfs_trans_handle *trans, trace_btrfs_space_reservation(fs_info, "transaction", trans->transid, trans->bytes_reserved, 0); - btrfs_block_rsv_release(root, trans->block_rsv, trans->bytes_reserved); + btrfs_block_rsv_release(fs_info, trans->block_rsv, + trans->bytes_reserved); trans->bytes_reserved = 0; } @@ -5801,7 +5765,7 @@ void btrfs_orphan_release_metadata(struct inode *inode) trace_btrfs_space_reservation(fs_info, "orphan", btrfs_ino(inode), num_bytes, 0); - btrfs_block_rsv_release(root, root->orphan_block_rsv, num_bytes); + btrfs_block_rsv_release(fs_info, root->orphan_block_rsv, num_bytes); } /* @@ -5856,11 +5820,11 @@ int btrfs_subvolume_reserve_metadata(struct btrfs_root *root, return ret; } -void btrfs_subvolume_release_metadata(struct btrfs_root *root, +void btrfs_subvolume_release_metadata(struct btrfs_fs_info *fs_info, struct btrfs_block_rsv *rsv, u64 qgroup_reserved) { - btrfs_block_rsv_release(root, rsv, (u64)-1); + btrfs_block_rsv_release(fs_info, rsv, (u64)-1); } /** @@ -5927,19 +5891,20 @@ static u64 calc_csum_metadata_size(struct inode *inode, u64 num_bytes, int reserve) { struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); - struct btrfs_root *root = BTRFS_I(inode)->root; u64 old_csums, num_csums; if (BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM && BTRFS_I(inode)->csum_bytes == 0) return 0; - old_csums = btrfs_csum_bytes_to_leaves(root, BTRFS_I(inode)->csum_bytes); + old_csums = btrfs_csum_bytes_to_leaves(fs_info, + BTRFS_I(inode)->csum_bytes); if (reserve) BTRFS_I(inode)->csum_bytes += num_bytes; else BTRFS_I(inode)->csum_bytes -= num_bytes; - num_csums = btrfs_csum_bytes_to_leaves(root, BTRFS_I(inode)->csum_bytes); + num_csums = btrfs_csum_bytes_to_leaves(fs_info, + BTRFS_I(inode)->csum_bytes); /* No change, no need to reserve more */ if (old_csums == num_csums) @@ -6039,7 +6004,7 @@ int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes) trace_btrfs_space_reservation(fs_info, "delalloc", btrfs_ino(inode), to_reserve, 1); if (release_extra) - btrfs_block_rsv_release(root, block_rsv, + btrfs_block_rsv_release(fs_info, block_rsv, btrfs_calc_trans_metadata_size(fs_info, 1)); return 0; @@ -6098,7 +6063,7 @@ out_fail: to_free += btrfs_calc_trans_metadata_size(fs_info, dropped); if (to_free) { - btrfs_block_rsv_release(root, block_rsv, to_free); + btrfs_block_rsv_release(fs_info, block_rsv, to_free); trace_btrfs_space_reservation(fs_info, "delalloc", btrfs_ino(inode), to_free, 0); } @@ -6119,7 +6084,6 @@ out_fail: void btrfs_delalloc_release_metadata(struct inode *inode, u64 num_bytes) { struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); - struct btrfs_root *root = BTRFS_I(inode)->root; u64 to_free = 0; unsigned dropped; @@ -6139,7 +6103,7 @@ void btrfs_delalloc_release_metadata(struct inode *inode, u64 num_bytes) trace_btrfs_space_reservation(fs_info, "delalloc", btrfs_ino(inode), to_free, 0); - btrfs_block_rsv_release(root, &fs_info->delalloc_block_rsv, to_free); + btrfs_block_rsv_release(fs_info, &fs_info->delalloc_block_rsv, to_free); } /** @@ -6309,9 +6273,8 @@ static int update_block_group(struct btrfs_trans_handle *trans, return 0; } -static u64 first_logical_byte(struct btrfs_root *root, u64 search_start) +static u64 first_logical_byte(struct btrfs_fs_info *fs_info, u64 search_start) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_block_group_cache *cache; u64 bytenr; @@ -6332,12 +6295,10 @@ static u64 first_logical_byte(struct btrfs_root *root, u64 search_start) return bytenr; } -static int pin_down_extent(struct btrfs_root *root, +static int pin_down_extent(struct btrfs_fs_info *fs_info, struct btrfs_block_group_cache *cache, u64 bytenr, u64 num_bytes, int reserved) { - struct btrfs_fs_info *fs_info = cache->fs_info; - spin_lock(&cache->space_info->lock); spin_lock(&cache->lock); cache->pinned += num_bytes; @@ -6359,16 +6320,15 @@ static int pin_down_extent(struct btrfs_root *root, /* * this function must be called within transaction */ -int btrfs_pin_extent(struct btrfs_root *root, +int btrfs_pin_extent(struct btrfs_fs_info *fs_info, u64 bytenr, u64 num_bytes, int reserved) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_block_group_cache *cache; cache = btrfs_lookup_block_group(fs_info, bytenr); BUG_ON(!cache); /* Logic error */ - pin_down_extent(root, cache, bytenr, num_bytes, reserved); + pin_down_extent(fs_info, cache, bytenr, num_bytes, reserved); btrfs_put_block_group(cache); return 0; @@ -6377,10 +6337,9 @@ int btrfs_pin_extent(struct btrfs_root *root, /* * this function must be called within transaction */ -int btrfs_pin_extent_for_log_replay(struct btrfs_root *root, +int btrfs_pin_extent_for_log_replay(struct btrfs_fs_info *fs_info, u64 bytenr, u64 num_bytes) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_block_group_cache *cache; int ret; @@ -6396,7 +6355,7 @@ int btrfs_pin_extent_for_log_replay(struct btrfs_root *root, */ cache_block_group(cache, 1); - pin_down_extent(root, cache, bytenr, num_bytes, 0); + pin_down_extent(fs_info, cache, bytenr, num_bytes, 0); /* remove us from the free space cache (if we're there at all) */ ret = btrfs_remove_free_space(cache, bytenr, num_bytes); @@ -6404,9 +6363,9 @@ int btrfs_pin_extent_for_log_replay(struct btrfs_root *root, return ret; } -static int __exclude_logged_extent(struct btrfs_root *root, u64 start, u64 num_bytes) +static int __exclude_logged_extent(struct btrfs_fs_info *fs_info, + u64 start, u64 num_bytes) { - struct btrfs_fs_info *fs_info = root->fs_info; int ret; struct btrfs_block_group_cache *block_group; struct btrfs_caching_control *caching_ctl; @@ -6426,7 +6385,7 @@ static int __exclude_logged_extent(struct btrfs_root *root, u64 start, u64 num_b mutex_lock(&caching_ctl->mutex); if (start >= caching_ctl->progress) { - ret = add_excluded_extent(root, start, num_bytes); + ret = add_excluded_extent(fs_info, start, num_bytes); } else if (start + num_bytes <= caching_ctl->progress) { ret = btrfs_remove_free_space(block_group, start, num_bytes); @@ -6440,7 +6399,7 @@ static int __exclude_logged_extent(struct btrfs_root *root, u64 start, u64 num_b num_bytes = (start + num_bytes) - caching_ctl->progress; start = caching_ctl->progress; - ret = add_excluded_extent(root, start, num_bytes); + ret = add_excluded_extent(fs_info, start, num_bytes); } out_lock: mutex_unlock(&caching_ctl->mutex); @@ -6450,7 +6409,7 @@ out_lock: return ret; } -int btrfs_exclude_logged_extents(struct btrfs_root *log, +int btrfs_exclude_logged_extents(struct btrfs_fs_info *fs_info, struct extent_buffer *eb) { struct btrfs_file_extent_item *item; @@ -6458,7 +6417,7 @@ int btrfs_exclude_logged_extents(struct btrfs_root *log, int found_type; int i; - if (!btrfs_fs_incompat(log->fs_info, MIXED_GROUPS)) + if (!btrfs_fs_incompat(fs_info, MIXED_GROUPS)) return 0; for (i = 0; i < btrfs_header_nritems(eb); i++) { @@ -6473,7 +6432,7 @@ int btrfs_exclude_logged_extents(struct btrfs_root *log, continue; key.objectid = btrfs_file_extent_disk_bytenr(eb, item); key.offset = btrfs_file_extent_disk_num_bytes(eb, item); - __exclude_logged_extent(log, key.objectid, key.offset); + __exclude_logged_extent(fs_info, key.objectid, key.offset); } return 0; @@ -6600,9 +6559,8 @@ static int btrfs_free_reserved_bytes(struct btrfs_block_group_cache *cache, return ret; } void btrfs_prepare_extent_commit(struct btrfs_trans_handle *trans, - struct btrfs_root *root) + struct btrfs_fs_info *fs_info) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_caching_control *next; struct btrfs_caching_control *caching_ctl; struct btrfs_block_group_cache *cache; @@ -6636,10 +6594,9 @@ void btrfs_prepare_extent_commit(struct btrfs_trans_handle *trans, * what it should be based on the mount options. */ static struct btrfs_free_cluster * -fetch_cluster_info(struct btrfs_root *root, struct btrfs_space_info *space_info, - u64 *empty_cluster) +fetch_cluster_info(struct btrfs_fs_info *fs_info, + struct btrfs_space_info *space_info, u64 *empty_cluster) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_free_cluster *ret = NULL; bool ssd = btrfs_test_opt(fs_info, SSD); @@ -6660,10 +6617,10 @@ fetch_cluster_info(struct btrfs_root *root, struct btrfs_space_info *space_info, return ret; } -static int unpin_extent_range(struct btrfs_root *root, u64 start, u64 end, +static int unpin_extent_range(struct btrfs_fs_info *fs_info, + u64 start, u64 end, const bool return_free_space) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_block_group_cache *cache = NULL; struct btrfs_space_info *space_info; struct btrfs_block_rsv *global_rsv = &fs_info->global_block_rsv; @@ -6683,7 +6640,7 @@ static int unpin_extent_range(struct btrfs_root *root, u64 start, u64 end, cache = btrfs_lookup_block_group(fs_info, start); BUG_ON(!cache); /* Logic error */ - cluster = fetch_cluster_info(root, + cluster = fetch_cluster_info(fs_info, cache->space_info, &empty_cluster); empty_cluster <<= 1; @@ -6762,9 +6719,8 @@ static int unpin_extent_range(struct btrfs_root *root, u64 start, u64 end, } int btrfs_finish_extent_commit(struct btrfs_trans_handle *trans, - struct btrfs_root *root) + struct btrfs_fs_info *fs_info) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_block_group_cache *block_group, *tmp; struct list_head *deleted_bgs; struct extent_io_tree *unpin; @@ -6787,11 +6743,11 @@ int btrfs_finish_extent_commit(struct btrfs_trans_handle *trans, } if (btrfs_test_opt(fs_info, DISCARD)) - ret = btrfs_discard_extent(root, start, + ret = btrfs_discard_extent(fs_info, start, end + 1 - start, NULL); clear_extent_dirty(unpin, start, end); - unpin_extent_range(root, start, end, true); + unpin_extent_range(fs_info, start, end, true); mutex_unlock(&fs_info->unused_bg_unpin_mutex); cond_resched(); } @@ -6807,7 +6763,7 @@ int btrfs_finish_extent_commit(struct btrfs_trans_handle *trans, ret = -EROFS; if (!trans->aborted) - ret = btrfs_discard_extent(root, + ret = btrfs_discard_extent(fs_info, block_group->key.objectid, block_group->key.offset, &trimmed); @@ -6849,7 +6805,7 @@ static void add_pinned_bytes(struct btrfs_fs_info *fs_info, u64 num_bytes, static int __btrfs_free_extent(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *info, struct btrfs_delayed_ref_node *node, u64 parent, u64 root_objectid, u64 owner_objectid, u64 owner_offset, int refs_to_drop, @@ -6857,7 +6813,6 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans, { struct btrfs_key key; struct btrfs_path *path; - struct btrfs_fs_info *info = root->fs_info; struct btrfs_root *extent_root = info->extent_root; struct extent_buffer *leaf; struct btrfs_extent_item *ei; @@ -6969,8 +6924,7 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans, "umm, got %d back from search, was looking for %llu", ret, bytenr); if (ret > 0) - btrfs_print_leaf(extent_root, - path->nodes[0]); + btrfs_print_leaf(info, path->nodes[0]); } if (ret < 0) { btrfs_abort_transaction(trans, ret); @@ -6979,7 +6933,7 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans, extent_slot = path->slots[0]; } } else if (WARN_ON(ret == -ENOENT)) { - btrfs_print_leaf(extent_root, path->nodes[0]); + btrfs_print_leaf(info, path->nodes[0]); btrfs_err(info, "unable to find ref byte nr %llu parent %llu root %llu owner %llu offset %llu", bytenr, parent, root_objectid, owner_objectid, @@ -7016,7 +6970,7 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans, btrfs_err(info, "umm, got %d back from search, was looking for %llu", ret, bytenr); - btrfs_print_leaf(extent_root, path->nodes[0]); + btrfs_print_leaf(info, path->nodes[0]); } if (ret < 0) { btrfs_abort_transaction(trans, ret); @@ -7130,7 +7084,7 @@ out: * removes it from the tree. */ static noinline int check_ref_cleanup(struct btrfs_trans_handle *trans, - struct btrfs_root *root, u64 bytenr) + u64 bytenr) { struct btrfs_delayed_ref_head *head; struct btrfs_delayed_ref_root *delayed_refs; @@ -7221,7 +7175,7 @@ void btrfs_free_tree_block(struct btrfs_trans_handle *trans, struct btrfs_block_group_cache *cache; if (root->root_key.objectid != BTRFS_TREE_LOG_OBJECTID) { - ret = check_ref_cleanup(trans, root, buf->start); + ret = check_ref_cleanup(trans, buf->start); if (!ret) goto out; } @@ -7229,7 +7183,8 @@ void btrfs_free_tree_block(struct btrfs_trans_handle *trans, cache = btrfs_lookup_block_group(fs_info, buf->start); if (btrfs_header_flag(buf, BTRFS_HEADER_FLAG_WRITTEN)) { - pin_down_extent(root, cache, buf->start, buf->len, 1); + pin_down_extent(fs_info, cache, buf->start, + buf->len, 1); btrfs_put_block_group(cache); goto out; } @@ -7255,12 +7210,12 @@ out: } /* Can return -ENOMEM */ -int btrfs_free_extent(struct btrfs_trans_handle *trans, struct btrfs_root *root, +int btrfs_free_extent(struct btrfs_trans_handle *trans, + struct btrfs_fs_info *fs_info, u64 bytenr, u64 num_bytes, u64 parent, u64 root_objectid, u64 owner, u64 offset) { int ret; - struct btrfs_fs_info *fs_info = root->fs_info; if (btrfs_is_testing(fs_info)) return 0; @@ -7274,7 +7229,7 @@ int btrfs_free_extent(struct btrfs_trans_handle *trans, struct btrfs_root *root, if (root_objectid == BTRFS_TREE_LOG_OBJECTID) { WARN_ON(owner >= BTRFS_FIRST_FREE_OBJECTID); /* unlocks the pinned mutex */ - btrfs_pin_extent(root, bytenr, num_bytes, 1); + btrfs_pin_extent(fs_info, bytenr, num_bytes, 1); ret = 0; } else if (owner < BTRFS_FIRST_FREE_OBJECTID) { ret = btrfs_add_delayed_tree_ref(fs_info, trans, bytenr, @@ -7519,7 +7474,7 @@ static noinline int find_free_extent(struct btrfs_root *orig_root, spin_unlock(&space_info->lock); } - last_ptr = fetch_cluster_info(orig_root, space_info, &empty_cluster); + last_ptr = fetch_cluster_info(fs_info, space_info, &empty_cluster); if (last_ptr) { spin_lock(&last_ptr->lock); if (last_ptr->block_group) @@ -7536,7 +7491,7 @@ static noinline int find_free_extent(struct btrfs_root *orig_root, spin_unlock(&last_ptr->lock); } - search_start = max(search_start, first_logical_byte(root, 0)); + search_start = max(search_start, first_logical_byte(fs_info, 0)); search_start = max(search_start, hint_byte); if (search_start == hint_byte) { block_group = btrfs_lookup_block_group(fs_info, search_start); @@ -7703,7 +7658,7 @@ refill_cluster: block_group->full_stripe_len); /* allocate a cluster in this block group */ - ret = btrfs_find_space_cluster(root, block_group, + ret = btrfs_find_space_cluster(fs_info, block_group, last_ptr, search_start, num_bytes, aligned_cluster); @@ -7879,7 +7834,7 @@ loop: goto out; } - ret = do_chunk_alloc(trans, root, flags, + ret = do_chunk_alloc(trans, fs_info, flags, CHUNK_ALLOC_FORCE); /* @@ -8021,11 +7976,10 @@ again: return ret; } -static int __btrfs_free_reserved_extent(struct btrfs_root *root, +static int __btrfs_free_reserved_extent(struct btrfs_fs_info *fs_info, u64 start, u64 len, int pin, int delalloc) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_block_group_cache *cache; int ret = 0; @@ -8037,10 +7991,10 @@ static int __btrfs_free_reserved_extent(struct btrfs_root *root, } if (pin) - pin_down_extent(root, cache, start, len, 1); + pin_down_extent(fs_info, cache, start, len, 1); else { if (btrfs_test_opt(fs_info, DISCARD)) - ret = btrfs_discard_extent(root, start, len, NULL); + ret = btrfs_discard_extent(fs_info, start, len, NULL); btrfs_add_free_space(cache, start, len); btrfs_free_reserved_bytes(cache, len, delalloc); trace_btrfs_reserved_extent_free(fs_info, start, len); @@ -8050,26 +8004,25 @@ static int __btrfs_free_reserved_extent(struct btrfs_root *root, return ret; } -int btrfs_free_reserved_extent(struct btrfs_root *root, +int btrfs_free_reserved_extent(struct btrfs_fs_info *fs_info, u64 start, u64 len, int delalloc) { - return __btrfs_free_reserved_extent(root, start, len, 0, delalloc); + return __btrfs_free_reserved_extent(fs_info, start, len, 0, delalloc); } -int btrfs_free_and_pin_reserved_extent(struct btrfs_root *root, +int btrfs_free_and_pin_reserved_extent(struct btrfs_fs_info *fs_info, u64 start, u64 len) { - return __btrfs_free_reserved_extent(root, start, len, 1, 0); + return __btrfs_free_reserved_extent(fs_info, start, len, 1, 0); } static int alloc_reserved_file_extent(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, u64 parent, u64 root_objectid, u64 flags, u64 owner, u64 offset, struct btrfs_key *ins, int ref_mod) { int ret; - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_extent_item *extent_item; struct btrfs_extent_inline_ref *iref; struct btrfs_path *path; @@ -8139,13 +8092,12 @@ static int alloc_reserved_file_extent(struct btrfs_trans_handle *trans, } static int alloc_reserved_tree_block(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, u64 parent, u64 root_objectid, u64 flags, struct btrfs_disk_key *key, int level, struct btrfs_key *ins) { int ret; - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_extent_item *extent_item; struct btrfs_tree_block_info *block_info; struct btrfs_extent_inline_ref *iref; @@ -8160,7 +8112,7 @@ static int alloc_reserved_tree_block(struct btrfs_trans_handle *trans, path = btrfs_alloc_path(); if (!path) { - btrfs_free_and_pin_reserved_extent(root, ins->objectid, + btrfs_free_and_pin_reserved_extent(fs_info, ins->objectid, fs_info->nodesize); return -ENOMEM; } @@ -8170,7 +8122,7 @@ static int alloc_reserved_tree_block(struct btrfs_trans_handle *trans, ins, size); if (ret) { btrfs_free_path(path); - btrfs_free_and_pin_reserved_extent(root, ins->objectid, + btrfs_free_and_pin_reserved_extent(fs_info, ins->objectid, fs_info->nodesize); return ret; } @@ -8226,12 +8178,11 @@ static int alloc_reserved_tree_block(struct btrfs_trans_handle *trans, } int btrfs_alloc_reserved_file_extent(struct btrfs_trans_handle *trans, - struct btrfs_root *root, u64 root_objectid, u64 owner, u64 offset, u64 ram_bytes, struct btrfs_key *ins) { - struct btrfs_fs_info *fs_info = root->fs_info; + struct btrfs_fs_info *fs_info = trans->fs_info; int ret; BUG_ON(root_objectid == BTRFS_TREE_LOG_OBJECTID); @@ -8250,11 +8201,10 @@ int btrfs_alloc_reserved_file_extent(struct btrfs_trans_handle *trans, * space cache bits as well */ int btrfs_alloc_logged_file_extent(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, u64 root_objectid, u64 owner, u64 offset, struct btrfs_key *ins) { - struct btrfs_fs_info *fs_info = root->fs_info; int ret; struct btrfs_block_group_cache *block_group; struct btrfs_space_info *space_info; @@ -8264,7 +8214,8 @@ int btrfs_alloc_logged_file_extent(struct btrfs_trans_handle *trans, * need to do the exclude dance if this fs isn't mixed. */ if (!btrfs_fs_incompat(fs_info, MIXED_GROUPS)) { - ret = __exclude_logged_extent(root, ins->objectid, ins->offset); + ret = __exclude_logged_extent(fs_info, ins->objectid, + ins->offset); if (ret) return ret; } @@ -8281,7 +8232,7 @@ int btrfs_alloc_logged_file_extent(struct btrfs_trans_handle *trans, spin_unlock(&block_group->lock); spin_unlock(&space_info->lock); - ret = alloc_reserved_file_extent(trans, root, 0, root_objectid, + ret = alloc_reserved_file_extent(trans, fs_info, 0, root_objectid, 0, owner, offset, ins, 1); btrfs_put_block_group(block_group); return ret; @@ -8294,7 +8245,7 @@ btrfs_init_new_buffer(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct btrfs_fs_info *fs_info = root->fs_info; struct extent_buffer *buf; - buf = btrfs_find_create_tree_block(root, bytenr); + buf = btrfs_find_create_tree_block(fs_info, bytenr); if (IS_ERR(buf)) return buf; @@ -8474,7 +8425,7 @@ out_free_delayed: out_free_buf: free_extent_buffer(buf); out_free_reserved: - btrfs_free_reserved_extent(root, ins.objectid, ins.offset, 0); + btrfs_free_reserved_extent(fs_info, ins.objectid, ins.offset, 0); out_unuse: unuse_block_rsv(fs_info, block_rsv, blocksize); return ERR_PTR(ret); @@ -8542,7 +8493,7 @@ static noinline void reada_walk_down(struct btrfs_trans_handle *trans, continue; /* We don't lock the tree block, it's OK to be racy here */ - ret = btrfs_lookup_extent_info(trans, root, bytenr, + ret = btrfs_lookup_extent_info(trans, fs_info, bytenr, wc->level - 1, 1, &refs, &flags); /* We don't care about errors in readahead. */ @@ -8571,7 +8522,7 @@ static noinline void reada_walk_down(struct btrfs_trans_handle *trans, continue; } reada: - readahead_tree_block(root, bytenr); + readahead_tree_block(fs_info, bytenr); nread++; } wc->reada_slot = slot; @@ -8590,6 +8541,7 @@ static noinline int walk_down_proc(struct btrfs_trans_handle *trans, struct btrfs_path *path, struct walk_control *wc, int lookup_info) { + struct btrfs_fs_info *fs_info = root->fs_info; int level = wc->level; struct extent_buffer *eb = path->nodes[level]; u64 flag = BTRFS_BLOCK_FLAG_FULL_BACKREF; @@ -8607,7 +8559,7 @@ static noinline int walk_down_proc(struct btrfs_trans_handle *trans, ((wc->stage == DROP_REFERENCE && wc->refs[level] != 1) || (wc->stage == UPDATE_BACKREF && !(wc->flags[level] & flag)))) { BUG_ON(!path->locks[level]); - ret = btrfs_lookup_extent_info(trans, root, + ret = btrfs_lookup_extent_info(trans, fs_info, eb->start, level, 1, &wc->refs[level], &wc->flags[level]); @@ -8635,7 +8587,7 @@ static noinline int walk_down_proc(struct btrfs_trans_handle *trans, BUG_ON(ret); /* -ENOMEM */ ret = btrfs_dec_ref(trans, root, eb, 0); BUG_ON(ret); /* -ENOMEM */ - ret = btrfs_set_disk_extent_flags(trans, root, eb->start, + ret = btrfs_set_disk_extent_flags(trans, fs_info, eb->start, eb->len, flag, btrfs_header_level(eb), 0); BUG_ON(ret); /* -ENOMEM */ @@ -8701,7 +8653,7 @@ static noinline int do_walk_down(struct btrfs_trans_handle *trans, next = find_extent_buffer(fs_info, bytenr); if (!next) { - next = btrfs_find_create_tree_block(root, bytenr); + next = btrfs_find_create_tree_block(fs_info, bytenr); if (IS_ERR(next)) return PTR_ERR(next); @@ -8712,7 +8664,7 @@ static noinline int do_walk_down(struct btrfs_trans_handle *trans, btrfs_tree_lock(next); btrfs_set_lock_blocking(next); - ret = btrfs_lookup_extent_info(trans, root, bytenr, level - 1, 1, + ret = btrfs_lookup_extent_info(trans, fs_info, bytenr, level - 1, 1, &wc->refs[level - 1], &wc->flags[level - 1]); if (ret < 0) @@ -8761,7 +8713,7 @@ static noinline int do_walk_down(struct btrfs_trans_handle *trans, if (!next) { if (reada && level == 1) reada_walk_down(trans, root, wc, path); - next = read_tree_block(root, bytenr, generation); + next = read_tree_block(fs_info, bytenr, generation); if (IS_ERR(next)) { return PTR_ERR(next); } else if (!extent_buffer_uptodate(next)) { @@ -8814,8 +8766,9 @@ skip: ret); } } - ret = btrfs_free_extent(trans, root, bytenr, blocksize, parent, - root->root_key.objectid, level - 1, 0); + ret = btrfs_free_extent(trans, fs_info, bytenr, blocksize, + parent, root->root_key.objectid, + level - 1, 0); if (ret) goto out_unlock; } @@ -8877,7 +8830,7 @@ static noinline int walk_up_proc(struct btrfs_trans_handle *trans, btrfs_set_lock_blocking(eb); path->locks[level] = BTRFS_WRITE_LOCK_BLOCKING; - ret = btrfs_lookup_extent_info(trans, root, + ret = btrfs_lookup_extent_info(trans, fs_info, eb->start, level, 1, &wc->refs[level], &wc->flags[level]); @@ -8905,7 +8858,7 @@ static noinline int walk_up_proc(struct btrfs_trans_handle *trans, else ret = btrfs_dec_ref(trans, root, eb, 0); BUG_ON(ret); /* -ENOMEM */ - ret = btrfs_qgroup_trace_leaf_items(trans, root, eb); + ret = btrfs_qgroup_trace_leaf_items(trans, fs_info, eb); if (ret) { btrfs_err_rl(fs_info, "error %d accounting leaf items. Quota is out of sync, rescan required.", @@ -9097,7 +9050,7 @@ int btrfs_drop_snapshot(struct btrfs_root *root, btrfs_set_lock_blocking(path->nodes[level]); path->locks[level] = BTRFS_WRITE_LOCK_BLOCKING; - ret = btrfs_lookup_extent_info(trans, root, + ret = btrfs_lookup_extent_info(trans, fs_info, path->nodes[level]->start, level, 1, &wc->refs[level], &wc->flags[level]); @@ -9154,7 +9107,7 @@ int btrfs_drop_snapshot(struct btrfs_root *root, BUG_ON(wc->level == 0); if (btrfs_should_end_transaction(trans, tree_root) || - (!for_reloc && btrfs_need_cleaner_sleep(root))) { + (!for_reloc && btrfs_need_cleaner_sleep(fs_info))) { ret = btrfs_update_root(trans, tree_root, &root->root_key, root_item); @@ -9165,7 +9118,7 @@ int btrfs_drop_snapshot(struct btrfs_root *root, } btrfs_end_transaction_throttle(trans, tree_root); - if (!for_reloc && btrfs_need_cleaner_sleep(root)) { + if (!for_reloc && btrfs_need_cleaner_sleep(fs_info)) { btrfs_debug(fs_info, "drop snapshot early exit"); err = -EAGAIN; @@ -9429,7 +9382,7 @@ again: mutex_unlock(&fs_info->ro_block_group_mutex); btrfs_end_transaction(trans, root); - ret = btrfs_wait_for_commit(root, transid); + ret = btrfs_wait_for_commit(fs_info, transid); if (ret) return ret; goto again; @@ -9441,7 +9394,7 @@ again: */ alloc_flags = update_block_group_flags(fs_info, cache->flags); if (alloc_flags != cache->flags) { - ret = do_chunk_alloc(trans, root, alloc_flags, + ret = do_chunk_alloc(trans, fs_info, alloc_flags, CHUNK_ALLOC_FORCE); /* * ENOSPC is allowed here, we may have enough space @@ -9457,8 +9410,8 @@ again: ret = inc_block_group_ro(cache, 0); if (!ret) goto out; - alloc_flags = get_alloc_profile(root, cache->space_info->flags); - ret = do_chunk_alloc(trans, root, alloc_flags, + alloc_flags = get_alloc_profile(fs_info, cache->space_info->flags); + ret = do_chunk_alloc(trans, fs_info, alloc_flags, CHUNK_ALLOC_FORCE); if (ret < 0) goto out; @@ -9467,7 +9420,7 @@ out: if (cache->flags & BTRFS_BLOCK_GROUP_SYSTEM) { alloc_flags = update_block_group_flags(fs_info, cache->flags); lock_chunks(fs_info); - check_system_chunk(trans, root, alloc_flags); + check_system_chunk(trans, fs_info, alloc_flags); unlock_chunks(fs_info); } mutex_unlock(&fs_info->ro_block_group_mutex); @@ -9477,11 +9430,11 @@ out: } int btrfs_force_chunk_alloc(struct btrfs_trans_handle *trans, - struct btrfs_root *root, u64 type) + struct btrfs_fs_info *fs_info, u64 type) { - u64 alloc_flags = get_alloc_profile(root, type); - return do_chunk_alloc(trans, root, alloc_flags, - CHUNK_ALLOC_FORCE); + u64 alloc_flags = get_alloc_profile(fs_info, type); + + return do_chunk_alloc(trans, fs_info, alloc_flags, CHUNK_ALLOC_FORCE); } /* @@ -9525,8 +9478,7 @@ u64 btrfs_account_ro_block_groups_free_space(struct btrfs_space_info *sinfo) return free_bytes; } -void btrfs_dec_block_group_ro(struct btrfs_root *root, - struct btrfs_block_group_cache *cache) +void btrfs_dec_block_group_ro(struct btrfs_block_group_cache *cache) { struct btrfs_space_info *sinfo = cache->space_info; u64 num_bytes; @@ -9766,8 +9718,7 @@ void btrfs_put_block_group_cache(struct btrfs_fs_info *info) if (block_group->iref) break; spin_unlock(&block_group->lock); - block_group = next_block_group(info->tree_root, - block_group); + block_group = next_block_group(info, block_group); } if (!block_group) { if (last == 0) @@ -9835,7 +9786,7 @@ int btrfs_free_block_groups(struct btrfs_fs_info *info) */ if (block_group->cached == BTRFS_CACHE_NO || block_group->cached == BTRFS_CACHE_ERROR) - free_excluded_extents(info->extent_root, block_group); + free_excluded_extents(info, block_group); btrfs_remove_free_space_cache(block_group); ASSERT(list_empty(&block_group->dirty_list)); @@ -9926,9 +9877,9 @@ out_err: } static struct btrfs_block_group_cache * -btrfs_create_block_group_cache(struct btrfs_root *root, u64 start, u64 size) +btrfs_create_block_group_cache(struct btrfs_fs_info *fs_info, + u64 start, u64 size) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_block_group_cache *cache; cache = kzalloc(sizeof(*cache), GFP_NOFS); @@ -9948,8 +9899,9 @@ btrfs_create_block_group_cache(struct btrfs_root *root, u64 start, u64 size) cache->sectorsize = fs_info->sectorsize; cache->fs_info = fs_info; - cache->full_stripe_len = btrfs_full_stripe_len(root, - &fs_info->mapping_tree, start); + cache->full_stripe_len = btrfs_full_stripe_len(fs_info, + &fs_info->mapping_tree, + start); set_free_space_tree_thresholds(cache); atomic_set(&cache->count, 1); @@ -9970,7 +9922,6 @@ btrfs_create_block_group_cache(struct btrfs_root *root, u64 start, u64 size) int btrfs_read_block_groups(struct btrfs_fs_info *info) { - struct btrfs_root *root = info->extent_root; struct btrfs_path *path; int ret; struct btrfs_block_group_cache *cache; @@ -10011,7 +9962,7 @@ int btrfs_read_block_groups(struct btrfs_fs_info *info) leaf = path->nodes[0]; btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]); - cache = btrfs_create_block_group_cache(root, found_key.objectid, + cache = btrfs_create_block_group_cache(info, found_key.objectid, found_key.offset); if (!cache) { ret = -ENOMEM; @@ -10055,13 +10006,13 @@ int btrfs_read_block_groups(struct btrfs_fs_info *info) * info has super bytes accounted for, otherwise we'll think * we have more space than we actually do. */ - ret = exclude_super_stripes(root, cache); + ret = exclude_super_stripes(info, cache); if (ret) { /* * We may have excluded something, so call this just in * case. */ - free_excluded_extents(root, cache); + free_excluded_extents(info, cache); btrfs_put_block_group(cache); goto error; } @@ -10076,7 +10027,7 @@ int btrfs_read_block_groups(struct btrfs_fs_info *info) if (found_key.offset == btrfs_block_group_used(&cache->item)) { cache->last_byte_to_unpin = (u64)-1; cache->cached = BTRFS_CACHE_FINISHED; - free_excluded_extents(root, cache); + free_excluded_extents(info, cache); } else if (btrfs_block_group_used(&cache->item) == 0) { cache->last_byte_to_unpin = (u64)-1; cache->cached = BTRFS_CACHE_FINISHED; @@ -10084,7 +10035,7 @@ int btrfs_read_block_groups(struct btrfs_fs_info *info) found_key.objectid, found_key.objectid + found_key.offset); - free_excluded_extents(root, cache); + free_excluded_extents(info, cache); } ret = btrfs_add_block_group_cache(info, cache); @@ -10114,7 +10065,7 @@ int btrfs_read_block_groups(struct btrfs_fs_info *info) __link_block_group(space_info, cache); set_avail_alloc_bits(info, cache->flags); - if (btrfs_chunk_readonly(root, cache->key.objectid)) { + if (btrfs_chunk_readonly(info, cache->key.objectid)) { inc_block_group_ro(cache, 1); } else if (btrfs_block_group_used(&cache->item) == 0) { spin_lock(&info->unused_bgs_lock); @@ -10129,7 +10080,7 @@ int btrfs_read_block_groups(struct btrfs_fs_info *info) } list_for_each_entry_rcu(space_info, &info->space_info, list) { - if (!(get_alloc_profile(root, space_info->flags) & + if (!(get_alloc_profile(info, space_info->flags) & (BTRFS_BLOCK_GROUP_RAID10 | BTRFS_BLOCK_GROUP_RAID1 | BTRFS_BLOCK_GROUP_RAID5 | @@ -10158,9 +10109,8 @@ error: } void btrfs_create_pending_block_groups(struct btrfs_trans_handle *trans, - struct btrfs_root *root) + struct btrfs_fs_info *fs_info) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_block_group_cache *block_group, *tmp; struct btrfs_root *extent_root = fs_info->extent_root; struct btrfs_block_group_item item; @@ -10195,17 +10145,16 @@ next: } int btrfs_make_block_group(struct btrfs_trans_handle *trans, - struct btrfs_root *root, u64 bytes_used, + struct btrfs_fs_info *fs_info, u64 bytes_used, u64 type, u64 chunk_objectid, u64 chunk_offset, u64 size) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_block_group_cache *cache; int ret; btrfs_set_log_full_commit(fs_info, trans); - cache = btrfs_create_block_group_cache(root, chunk_offset, size); + cache = btrfs_create_block_group_cache(fs_info, chunk_offset, size); if (!cache) return -ENOMEM; @@ -10217,27 +10166,27 @@ int btrfs_make_block_group(struct btrfs_trans_handle *trans, cache->last_byte_to_unpin = (u64)-1; cache->cached = BTRFS_CACHE_FINISHED; cache->needs_free_space = 1; - ret = exclude_super_stripes(root, cache); + ret = exclude_super_stripes(fs_info, cache); if (ret) { /* * We may have excluded something, so call this just in * case. */ - free_excluded_extents(root, cache); + free_excluded_extents(fs_info, cache); btrfs_put_block_group(cache); return ret; } add_new_free_space(cache, fs_info, chunk_offset, chunk_offset + size); - free_excluded_extents(root, cache); + free_excluded_extents(fs_info, cache); #ifdef CONFIG_BTRFS_DEBUG - if (btrfs_should_fragment_free_space(root, cache)) { + if (btrfs_should_fragment_free_space(cache)) { u64 new_bytes_used = size - bytes_used; bytes_used += new_bytes_used >> 1; - fragment_free_space(root, cache); + fragment_free_space(cache); } #endif /* @@ -10328,7 +10277,7 @@ int btrfs_remove_block_group(struct btrfs_trans_handle *trans, * Free the reserved super bytes from this block group before * remove it. */ - free_excluded_extents(root, block_group); + free_excluded_extents(fs_info, block_group); memcpy(&key, &block_group->key, sizeof(key)); index = get_block_group_index(block_group); @@ -10708,7 +10657,7 @@ void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info) trans = btrfs_start_trans_remove_block_group(fs_info, block_group->key.objectid); if (IS_ERR(trans)) { - btrfs_dec_block_group_ro(root, block_group); + btrfs_dec_block_group_ro(block_group); ret = PTR_ERR(trans); goto next; } @@ -10735,14 +10684,14 @@ void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info) EXTENT_DIRTY); if (ret) { mutex_unlock(&fs_info->unused_bg_unpin_mutex); - btrfs_dec_block_group_ro(root, block_group); + btrfs_dec_block_group_ro(block_group); goto end_trans; } ret = clear_extent_bits(&fs_info->freed_extents[1], start, end, EXTENT_DIRTY); if (ret) { mutex_unlock(&fs_info->unused_bg_unpin_mutex); - btrfs_dec_block_group_ro(root, block_group); + btrfs_dec_block_group_ro(block_group); goto end_trans; } mutex_unlock(&fs_info->unused_bg_unpin_mutex); @@ -10845,9 +10794,10 @@ out: return ret; } -int btrfs_error_unpin_extent_range(struct btrfs_root *root, u64 start, u64 end) +int btrfs_error_unpin_extent_range(struct btrfs_fs_info *fs_info, + u64 start, u64 end) { - return unpin_extent_range(root, start, end, false); + return unpin_extent_range(fs_info, start, end, false); } /* @@ -10937,9 +10887,8 @@ static int btrfs_trim_free_extents(struct btrfs_device *device, return ret; } -int btrfs_trim_fs(struct btrfs_root *root, struct fstrim_range *range) +int btrfs_trim_fs(struct btrfs_fs_info *fs_info, struct fstrim_range *range) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_block_group_cache *cache = NULL; struct btrfs_device *device; struct list_head *devices; @@ -10994,7 +10943,7 @@ int btrfs_trim_fs(struct btrfs_root *root, struct fstrim_range *range) } } - cache = next_block_group(fs_info->tree_root, cache); + cache = next_block_group(fs_info, cache); } mutex_lock(&fs_info->fs_devices->device_list_mutex); diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 8df72ded9018..3b148e5fcc56 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -2067,10 +2067,9 @@ int repair_io_failure(struct inode *inode, u64 start, u64 length, u64 logical, return 0; } -int repair_eb_io_failure(struct btrfs_root *root, struct extent_buffer *eb, - int mirror_num) +int repair_eb_io_failure(struct btrfs_fs_info *fs_info, + struct extent_buffer *eb, int mirror_num) { - struct btrfs_fs_info *fs_info = root->fs_info; u64 start = eb->start; unsigned long i, num_pages = num_extent_pages(eb->start, eb->len); int ret = 0; @@ -3753,8 +3752,7 @@ static noinline_for_stack int write_one_eb(struct extent_buffer *eb, * header 0 1 2 .. N ... data_N .. data_2 data_1 data_0 */ start = btrfs_item_nr_offset(nritems); - end = btrfs_leaf_data(eb) + - leaf_data_end(fs_info->tree_root, eb); + end = btrfs_leaf_data(eb) + leaf_data_end(fs_info, eb); memzero_extent_buffer(eb, start, end - start); } diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index f786156bd7e2..17f9ce479ed7 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -457,8 +457,8 @@ int repair_io_failure(struct inode *inode, u64 start, u64 length, u64 logical, int clean_io_failure(struct inode *inode, u64 start, struct page *page, unsigned int pg_offset); void end_extent_writepage(struct page *page, int err, u64 start, u64 end); -int repair_eb_io_failure(struct btrfs_root *root, struct extent_buffer *eb, - int mirror_num); +int repair_eb_io_failure(struct btrfs_fs_info *fs_info, + struct extent_buffer *eb, int mirror_num); /* * When IO fails, either with EIO or csum verification fails, we diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c index 672a36554363..e97e322c28f0 100644 --- a/fs/btrfs/file-item.c +++ b/fs/btrfs/file-item.c @@ -160,8 +160,7 @@ static void btrfs_io_bio_endio_readpage(struct btrfs_io_bio *bio, int err) kfree(bio->csum_allocated); } -static int __btrfs_lookup_bio_sums(struct btrfs_root *root, - struct inode *inode, struct bio *bio, +static int __btrfs_lookup_bio_sums(struct inode *inode, struct bio *bio, u64 logical_offset, u32 *dst, int dio) { struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); @@ -304,16 +303,14 @@ next: return 0; } -int btrfs_lookup_bio_sums(struct btrfs_root *root, struct inode *inode, - struct bio *bio, u32 *dst) +int btrfs_lookup_bio_sums(struct inode *inode, struct bio *bio, u32 *dst) { - return __btrfs_lookup_bio_sums(root, inode, bio, 0, dst, 0); + return __btrfs_lookup_bio_sums(inode, bio, 0, dst, 0); } -int btrfs_lookup_bio_sums_dio(struct btrfs_root *root, struct inode *inode, - struct bio *bio, u64 offset) +int btrfs_lookup_bio_sums_dio(struct inode *inode, struct bio *bio, u64 offset) { - return __btrfs_lookup_bio_sums(root, inode, bio, offset, NULL, 1); + return __btrfs_lookup_bio_sums(inode, bio, offset, NULL, 1); } int btrfs_lookup_csums_range(struct btrfs_root *root, u64 start, u64 end, @@ -436,8 +433,8 @@ fail: return ret; } -int btrfs_csum_one_bio(struct btrfs_root *root, struct inode *inode, - struct bio *bio, u64 file_start, int contig) +int btrfs_csum_one_bio(struct inode *inode, struct bio *bio, + u64 file_start, int contig) { struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); struct btrfs_ordered_sum *sums; @@ -543,12 +540,11 @@ int btrfs_csum_one_bio(struct btrfs_root *root, struct inode *inode, * This calls btrfs_truncate_item with the correct args based on the * overlap, and fixes up the key as required. */ -static noinline void truncate_one_csum(struct btrfs_root *root, +static noinline void truncate_one_csum(struct btrfs_fs_info *fs_info, struct btrfs_path *path, struct btrfs_key *key, u64 bytenr, u64 len) { - struct btrfs_fs_info *fs_info = root->fs_info; struct extent_buffer *leaf; u16 csum_size = btrfs_super_csum_size(fs_info->super_copy); u64 csum_end; @@ -569,7 +565,7 @@ static noinline void truncate_one_csum(struct btrfs_root *root, */ u32 new_size = (bytenr - key->offset) >> blocksize_bits; new_size *= csum_size; - btrfs_truncate_item(root, path, new_size, 1); + btrfs_truncate_item(fs_info, path, new_size, 1); } else if (key->offset >= bytenr && csum_end > end_byte && end_byte > key->offset) { /* @@ -581,7 +577,7 @@ static noinline void truncate_one_csum(struct btrfs_root *root, u32 new_size = (csum_end - end_byte) >> blocksize_bits; new_size *= csum_size; - btrfs_truncate_item(root, path, new_size, 0); + btrfs_truncate_item(fs_info, path, new_size, 0); key->offset = end_byte; btrfs_set_item_key_safe(fs_info, path, key); @@ -698,7 +694,7 @@ int btrfs_del_csums(struct btrfs_trans_handle *trans, key.offset = end_byte - 1; } else { - truncate_one_csum(root, path, &key, bytenr, len); + truncate_one_csum(fs_info, path, &key, bytenr, len); if (key.offset < bytenr) break; } @@ -824,11 +820,11 @@ again: u32 diff; u32 free_space; - if (btrfs_leaf_free_space(root, leaf) < + if (btrfs_leaf_free_space(fs_info, leaf) < sizeof(struct btrfs_item) + csum_size * 2) goto insert; - free_space = btrfs_leaf_free_space(root, leaf) - + free_space = btrfs_leaf_free_space(fs_info, leaf) - sizeof(struct btrfs_item) - csum_size; tmp = sums->len - total_bytes; tmp >>= fs_info->sb->s_blocksize_bits; @@ -844,7 +840,7 @@ again: diff /= csum_size; diff *= csum_size; - btrfs_extend_item(root, path, diff); + btrfs_extend_item(fs_info, path, diff); ret = 0; goto csum; } diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index d49d8eadf517..2d3b93dd9c2c 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -129,10 +129,8 @@ static int __btrfs_add_inode_defrag(struct inode *inode, return 0; } -static inline int __need_auto_defrag(struct btrfs_root *root) +static inline int __need_auto_defrag(struct btrfs_fs_info *fs_info) { - struct btrfs_fs_info *fs_info = root->fs_info; - if (!btrfs_test_opt(fs_info, AUTO_DEFRAG)) return 0; @@ -155,7 +153,7 @@ int btrfs_add_inode_defrag(struct btrfs_trans_handle *trans, u64 transid; int ret; - if (!__need_auto_defrag(root)) + if (!__need_auto_defrag(fs_info)) return 0; if (test_bit(BTRFS_INODE_IN_DEFRAG, &BTRFS_I(inode)->runtime_flags)) @@ -200,10 +198,9 @@ static void btrfs_requeue_inode_defrag(struct inode *inode, struct inode_defrag *defrag) { struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); - struct btrfs_root *root = BTRFS_I(inode)->root; int ret; - if (!__need_auto_defrag(root)) + if (!__need_auto_defrag(fs_info)) goto out; /* @@ -376,7 +373,7 @@ int btrfs_run_defrag_inodes(struct btrfs_fs_info *fs_info) &fs_info->fs_state)) break; - if (!__need_auto_defrag(fs_info->tree_root)) + if (!__need_auto_defrag(fs_info)) break; /* find an inode to defrag */ @@ -488,10 +485,9 @@ static void btrfs_drop_pages(struct page **pages, size_t num_pages) * this also makes the decision about creating an inline extent vs * doing real data extents, marking pages dirty and delalloc as required. */ -int btrfs_dirty_pages(struct btrfs_root *root, struct inode *inode, - struct page **pages, size_t num_pages, - loff_t pos, size_t write_bytes, - struct extent_state **cached) +int btrfs_dirty_pages(struct inode *inode, struct page **pages, + size_t num_pages, loff_t pos, size_t write_bytes, + struct extent_state **cached) { struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); int err = 0; @@ -860,7 +856,7 @@ next_slot: btrfs_mark_buffer_dirty(leaf); if (update_refs && disk_bytenr > 0) { - ret = btrfs_inc_extent_ref(trans, root, + ret = btrfs_inc_extent_ref(trans, fs_info, disk_bytenr, num_bytes, 0, root->root_key.objectid, new_key.objectid, @@ -944,7 +940,7 @@ delete_extent_item: extent_end = ALIGN(extent_end, fs_info->sectorsize); } else if (update_refs && disk_bytenr > 0) { - ret = btrfs_free_extent(trans, root, + ret = btrfs_free_extent(trans, fs_info, disk_bytenr, num_bytes, 0, root->root_key.objectid, key.objectid, key.offset - @@ -1001,7 +997,7 @@ delete_extent_item: if (!ret && replace_extent && leafs_visited == 1 && (path->locks[0] == BTRFS_WRITE_LOCK_BLOCKING || path->locks[0] == BTRFS_WRITE_LOCK) && - btrfs_leaf_free_space(root, leaf) >= + btrfs_leaf_free_space(fs_info, leaf) >= sizeof(struct btrfs_item) + extent_item_size) { key.objectid = ino; @@ -1238,8 +1234,8 @@ again: extent_end - split); btrfs_mark_buffer_dirty(leaf); - ret = btrfs_inc_extent_ref(trans, root, bytenr, num_bytes, 0, - root->root_key.objectid, + ret = btrfs_inc_extent_ref(trans, fs_info, bytenr, num_bytes, + 0, root->root_key.objectid, ino, orig_offset); if (ret) { btrfs_abort_transaction(trans, ret); @@ -1272,7 +1268,7 @@ again: extent_end = other_end; del_slot = path->slots[0] + 1; del_nr++; - ret = btrfs_free_extent(trans, root, bytenr, num_bytes, + ret = btrfs_free_extent(trans, fs_info, bytenr, num_bytes, 0, root->root_key.objectid, ino, orig_offset); if (ret) { @@ -1292,7 +1288,7 @@ again: key.offset = other_start; del_slot = path->slots[0]; del_nr++; - ret = btrfs_free_extent(trans, root, bytenr, num_bytes, + ret = btrfs_free_extent(trans, fs_info, bytenr, num_bytes, 0, root->root_key.objectid, ino, orig_offset); if (ret) { @@ -1698,9 +1694,8 @@ again: fs_info->sectorsize); if (copied > 0) - ret = btrfs_dirty_pages(root, inode, pages, - dirty_pages, pos, copied, - NULL); + ret = btrfs_dirty_pages(inode, pages, dirty_pages, + pos, copied, NULL); if (need_unlock) unlock_extent_cached(&BTRFS_I(inode)->io_tree, lockstart, lockend, &cached_state, @@ -1732,7 +1727,7 @@ again: balance_dirty_pages_ratelimited(inode->i_mapping); if (dirty_pages < (fs_info->nodesize >> PAGE_SHIFT) + 1) - btrfs_btree_balance_dirty(root); + btrfs_btree_balance_dirty(fs_info); pos += copied; num_written += copied; @@ -2519,7 +2514,7 @@ static int btrfs_punch_hole(struct inode *inode, loff_t offset, loff_t len) goto out; } - rsv = btrfs_alloc_block_rsv(root, BTRFS_BLOCK_RSV_TEMP); + rsv = btrfs_alloc_block_rsv(fs_info, BTRFS_BLOCK_RSV_TEMP); if (!rsv) { ret = -ENOMEM; goto out_free; @@ -2580,7 +2575,7 @@ static int btrfs_punch_hole(struct inode *inode, loff_t offset, loff_t len) } btrfs_end_transaction(trans, root); - btrfs_btree_balance_dirty(root); + btrfs_btree_balance_dirty(fs_info); trans = btrfs_start_transaction(root, rsv_count); if (IS_ERR(trans)) { @@ -2648,10 +2643,10 @@ out_trans: ret = btrfs_update_inode(trans, root, inode); updated_inode = true; btrfs_end_transaction(trans, root); - btrfs_btree_balance_dirty(root); + btrfs_btree_balance_dirty(fs_info); out_free: btrfs_free_path(path); - btrfs_free_block_rsv(root, rsv); + btrfs_free_block_rsv(fs_info, rsv); out: unlock_extent_cached(&BTRFS_I(inode)->io_tree, lockstart, lockend, &cached_state, GFP_NOFS); diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index ab7e2b97f49e..2e8445e4ffa3 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -208,10 +208,9 @@ int create_free_space_inode(struct btrfs_root *root, block_group->key.objectid); } -int btrfs_check_trunc_cache_free_space(struct btrfs_root *root, +int btrfs_check_trunc_cache_free_space(struct btrfs_fs_info *fs_info, struct btrfs_block_rsv *rsv) { - struct btrfs_fs_info *fs_info = root->fs_info; u64 needed_bytes; int ret; @@ -1036,12 +1035,11 @@ fail: } static noinline_for_stack int -write_pinned_extent_entries(struct btrfs_root *root, +write_pinned_extent_entries(struct btrfs_fs_info *fs_info, struct btrfs_block_group_cache *block_group, struct btrfs_io_ctl *io_ctl, int *entries) { - struct btrfs_fs_info *fs_info; u64 start, extent_start, extent_end, len; struct extent_io_tree *unpin = NULL; int ret; @@ -1049,8 +1047,6 @@ write_pinned_extent_entries(struct btrfs_root *root, if (!block_group) return 0; - fs_info = block_group->fs_info; - /* * We want to add any pinned extents to our free space cache * so we don't leak the space @@ -1243,6 +1239,7 @@ static int __btrfs_write_out_cache(struct btrfs_root *root, struct inode *inode, struct btrfs_trans_handle *trans, struct btrfs_path *path, u64 offset) { + struct btrfs_fs_info *fs_info = root->fs_info; struct extent_state *cached_state = NULL; LIST_HEAD(bitmap_list); int entries = 0; @@ -1300,7 +1297,8 @@ static int __btrfs_write_out_cache(struct btrfs_root *root, struct inode *inode, * If this changes while we are working we'll get added back to * the dirty list and redo it. No locking needed */ - ret = write_pinned_extent_entries(root, block_group, io_ctl, &entries); + ret = write_pinned_extent_entries(fs_info, block_group, + io_ctl, &entries); if (ret) goto out_nospc_locked; @@ -1319,8 +1317,8 @@ static int __btrfs_write_out_cache(struct btrfs_root *root, struct inode *inode, io_ctl_zero_remaining_pages(io_ctl); /* Everything is written out, now we dirty the pages in the file. */ - ret = btrfs_dirty_pages(root, inode, io_ctl->pages, io_ctl->num_pages, - 0, i_size_read(inode), &cached_state); + ret = btrfs_dirty_pages(inode, io_ctl->pages, io_ctl->num_pages, 0, + i_size_read(inode), &cached_state); if (ret) goto out_nospc; @@ -1994,7 +1992,7 @@ static bool use_bitmap(struct btrfs_free_space_ctl *ctl, bool forced = false; #ifdef CONFIG_BTRFS_DEBUG - if (btrfs_should_fragment_free_space(fs_info->extent_root, block_group)) + if (btrfs_should_fragment_free_space(block_group)) forced = true; #endif @@ -3034,13 +3032,12 @@ setup_cluster_bitmap(struct btrfs_block_group_cache *block_group, * returns zero and sets up cluster if things worked out, otherwise * it returns -enospc */ -int btrfs_find_space_cluster(struct btrfs_root *root, +int btrfs_find_space_cluster(struct btrfs_fs_info *fs_info, struct btrfs_block_group_cache *block_group, struct btrfs_free_cluster *cluster, u64 offset, u64 bytes, u64 empty_size) { struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl; - struct btrfs_fs_info *fs_info = block_group->fs_info; struct btrfs_free_space *entry, *tmp; LIST_HEAD(bitmaps); u64 min_bytes; @@ -3148,8 +3145,7 @@ static int do_trimming(struct btrfs_block_group_cache *block_group, spin_unlock(&block_group->lock); spin_unlock(&space_info->lock); - ret = btrfs_discard_extent(fs_info->extent_root, - start, bytes, &trimmed); + ret = btrfs_discard_extent(fs_info, start, bytes, &trimmed); if (!ret) *total_trimmed += trimmed; diff --git a/fs/btrfs/free-space-cache.h b/fs/btrfs/free-space-cache.h index f39ba850b566..6f3c025a2c6c 100644 --- a/fs/btrfs/free-space-cache.h +++ b/fs/btrfs/free-space-cache.h @@ -59,7 +59,7 @@ int create_free_space_inode(struct btrfs_root *root, struct btrfs_block_group_cache *block_group, struct btrfs_path *path); -int btrfs_check_trunc_cache_free_space(struct btrfs_root *root, +int btrfs_check_trunc_cache_free_space(struct btrfs_fs_info *fs_info, struct btrfs_block_rsv *rsv); int btrfs_truncate_free_space_cache(struct btrfs_root *root, struct btrfs_trans_handle *trans, @@ -109,7 +109,7 @@ u64 btrfs_find_space_for_alloc(struct btrfs_block_group_cache *block_group, u64 btrfs_find_ino_for_alloc(struct btrfs_root *fs_root); void btrfs_dump_free_space(struct btrfs_block_group_cache *block_group, u64 bytes); -int btrfs_find_space_cluster(struct btrfs_root *root, +int btrfs_find_space_cluster(struct btrfs_fs_info *fs_info, struct btrfs_block_group_cache *block_group, struct btrfs_free_cluster *cluster, u64 offset, u64 bytes, u64 empty_size); diff --git a/fs/btrfs/inode-item.c b/fs/btrfs/inode-item.c index 47270a3c9649..39c968f80157 100644 --- a/fs/btrfs/inode-item.c +++ b/fs/btrfs/inode-item.c @@ -182,7 +182,7 @@ static int btrfs_del_inode_extref(struct btrfs_trans_handle *trans, memmove_extent_buffer(leaf, ptr, ptr + del_len, item_size - (ptr + del_len - item_start)); - btrfs_truncate_item(root, path, item_size - del_len, 1); + btrfs_truncate_item(root->fs_info, path, item_size - del_len, 1); out: btrfs_free_path(path); @@ -245,7 +245,7 @@ int btrfs_del_inode_ref(struct btrfs_trans_handle *trans, item_start = btrfs_item_ptr_offset(leaf, path->slots[0]); memmove_extent_buffer(leaf, ptr, ptr + sub_item_len, item_size - (ptr + sub_item_len - item_start)); - btrfs_truncate_item(root, path, item_size - sub_item_len, 1); + btrfs_truncate_item(root->fs_info, path, item_size - sub_item_len, 1); out: btrfs_free_path(path); @@ -297,7 +297,7 @@ static int btrfs_insert_inode_extref(struct btrfs_trans_handle *trans, name, name_len, NULL)) goto out; - btrfs_extend_item(root, path, ins_len); + btrfs_extend_item(root->fs_info, path, ins_len); ret = 0; } if (ret < 0) @@ -355,7 +355,7 @@ int btrfs_insert_inode_ref(struct btrfs_trans_handle *trans, goto out; old_size = btrfs_item_size_nr(path->nodes[0], path->slots[0]); - btrfs_extend_item(root, path, ins_len); + btrfs_extend_item(fs_info, path, ins_len); ref = btrfs_item_ptr(path->nodes[0], path->slots[0], struct btrfs_inode_ref); ref = (struct btrfs_inode_ref *)((unsigned long)ref + old_size); diff --git a/fs/btrfs/inode-map.c b/fs/btrfs/inode-map.c index 79921f6fb8e5..144b119ff43f 100644 --- a/fs/btrfs/inode-map.c +++ b/fs/btrfs/inode-map.c @@ -509,7 +509,8 @@ out_put: out_release: trace_btrfs_space_reservation(fs_info, "ino_cache", trans->transid, trans->bytes_reserved, 0); - btrfs_block_rsv_release(root, trans->block_rsv, trans->bytes_reserved); + btrfs_block_rsv_release(fs_info, trans->block_rsv, + trans->bytes_reserved); out: trans->block_rsv = rsv; trans->bytes_reserved = num_bytes; diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 677762e0dcab..5fa8aeb23e94 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -874,7 +874,7 @@ retry: return; out_free_reserve: btrfs_dec_block_group_reservations(fs_info, ins.objectid); - btrfs_free_reserved_extent(root, ins.objectid, ins.offset, 1); + btrfs_free_reserved_extent(fs_info, ins.objectid, ins.offset, 1); out_free: extent_clear_unlock_delalloc(inode, async_extent->start, async_extent->start + @@ -1088,7 +1088,7 @@ out_drop_extent_cache: btrfs_drop_extent_cache(inode, start, start + ram_size - 1, 0); out_reserve: btrfs_dec_block_group_reservations(fs_info, ins.objectid); - btrfs_free_reserved_extent(root, ins.objectid, ins.offset, 1); + btrfs_free_reserved_extent(fs_info, ins.objectid, ins.offset, 1); out_unlock: extent_clear_unlock_delalloc(inode, start, end, delalloc_end, locked_page, @@ -1216,10 +1216,9 @@ static int cow_file_range_async(struct inode *inode, struct page *locked_page, return 0; } -static noinline int csum_exist_in_range(struct btrfs_root *root, +static noinline int csum_exist_in_range(struct btrfs_fs_info *fs_info, u64 bytenr, u64 num_bytes) { - struct btrfs_fs_info *fs_info = root->fs_info; int ret; struct btrfs_ordered_sum *sums; LIST_HEAD(list); @@ -1381,7 +1380,7 @@ next_slot: goto out_check; if (extent_type == BTRFS_FILE_EXTENT_REG && !force) goto out_check; - if (btrfs_extent_readonly(root, disk_bytenr)) + if (btrfs_extent_readonly(fs_info, disk_bytenr)) goto out_check; if (btrfs_cross_ref_exist(trans, root, ino, found_key.offset - @@ -1404,7 +1403,8 @@ next_slot: * this ensure that csum for a given extent are * either valid or do not exist. */ - if (csum_exist_in_range(root, disk_bytenr, num_bytes)) + if (csum_exist_in_range(fs_info, disk_bytenr, + num_bytes)) goto out_check; if (!btrfs_inc_nocow_writers(fs_info, disk_bytenr)) goto out_check; @@ -1899,10 +1899,9 @@ static int __btrfs_submit_bio_start(struct inode *inode, struct bio *bio, int mirror_num, unsigned long bio_flags, u64 bio_offset) { - struct btrfs_root *root = BTRFS_I(inode)->root; int ret = 0; - ret = btrfs_csum_one_bio(root, inode, bio, 0, 0); + ret = btrfs_csum_one_bio(inode, bio, 0, 0); BUG_ON(ret); /* -ENOMEM */ return 0; } @@ -1919,10 +1918,10 @@ static int __btrfs_submit_bio_done(struct inode *inode, struct bio *bio, int mirror_num, unsigned long bio_flags, u64 bio_offset) { - struct btrfs_root *root = BTRFS_I(inode)->root; + struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); int ret; - ret = btrfs_map_bio(root, bio, mirror_num, 1); + ret = btrfs_map_bio(fs_info, bio, mirror_num, 1); if (ret) { bio->bi_error = ret; bio_endio(bio); @@ -1961,7 +1960,7 @@ static int btrfs_submit_bio_hook(struct inode *inode, struct bio *bio, bio_flags); goto out; } else if (!skip_sum) { - ret = btrfs_lookup_bio_sums(root, inode, bio, NULL); + ret = btrfs_lookup_bio_sums(inode, bio, NULL); if (ret) goto out; } @@ -1977,13 +1976,13 @@ static int btrfs_submit_bio_hook(struct inode *inode, struct bio *bio, __btrfs_submit_bio_done); goto out; } else if (!skip_sum) { - ret = btrfs_csum_one_bio(root, inode, bio, 0, 0); + ret = btrfs_csum_one_bio(inode, bio, 0, 0); if (ret) goto out; } mapit: - ret = btrfs_map_bio(root, bio, mirror_num, 0); + ret = btrfs_map_bio(fs_info, bio, mirror_num, 0); out: if (ret < 0) { @@ -2194,10 +2193,9 @@ static int insert_reserved_file_extent(struct btrfs_trans_handle *trans, ins.objectid = disk_bytenr; ins.offset = disk_num_bytes; ins.type = BTRFS_EXTENT_ITEM_KEY; - ret = btrfs_alloc_reserved_file_extent(trans, root, - root->root_key.objectid, - btrfs_ino(inode), file_pos, - ram_bytes, &ins); + ret = btrfs_alloc_reserved_file_extent(trans, root->root_key.objectid, + btrfs_ino(inode), file_pos, + ram_bytes, &ins); /* * Release the reserved range from inode dirty range map, as it is * already moved into delayed_ref_head @@ -2654,7 +2652,7 @@ again: inode_add_bytes(inode, len); btrfs_release_path(path); - ret = btrfs_inc_extent_ref(trans, root, new->bytenr, + ret = btrfs_inc_extent_ref(trans, fs_info, new->bytenr, new->disk_len, 0, backref->root_id, backref->inum, new->file_pos); /* start - extent_offset */ @@ -2855,10 +2853,9 @@ out_kfree: return NULL; } -static void btrfs_release_delalloc_bytes(struct btrfs_root *root, +static void btrfs_release_delalloc_bytes(struct btrfs_fs_info *fs_info, u64 start, u64 len) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_block_group_cache *cache; cache = btrfs_lookup_block_group(fs_info, start); @@ -2984,7 +2981,7 @@ static int btrfs_finish_ordered_io(struct btrfs_ordered_extent *ordered_extent) compress_type, 0, 0, BTRFS_FILE_EXTENT_REG); if (!ret) - btrfs_release_delalloc_bytes(root, + btrfs_release_delalloc_bytes(fs_info, ordered_extent->start, ordered_extent->disk_len); } @@ -3038,7 +3035,8 @@ out: if ((ret || !logical_len) && !test_bit(BTRFS_ORDERED_NOCOW, &ordered_extent->flags) && !test_bit(BTRFS_ORDERED_PREALLOC, &ordered_extent->flags)) - btrfs_free_reserved_extent(root, ordered_extent->start, + btrfs_free_reserved_extent(fs_info, + ordered_extent->start, ordered_extent->disk_len, 1); } @@ -3187,9 +3185,8 @@ void btrfs_add_delayed_iput(struct inode *inode) spin_unlock(&fs_info->delayed_iput_lock); } -void btrfs_run_delayed_iputs(struct btrfs_root *root) +void btrfs_run_delayed_iputs(struct btrfs_fs_info *fs_info) { - struct btrfs_fs_info *fs_info = root->fs_info; spin_lock(&fs_info->delayed_iput_lock); while (!list_empty(&fs_info->delayed_iputs)) { @@ -3255,7 +3252,7 @@ void btrfs_orphan_commit_root(struct btrfs_trans_handle *trans, if (block_rsv) { WARN_ON(block_rsv->size > 0); - btrfs_free_block_rsv(root, block_rsv); + btrfs_free_block_rsv(fs_info, block_rsv); } } @@ -3276,7 +3273,8 @@ int btrfs_orphan_add(struct btrfs_trans_handle *trans, struct inode *inode) int ret; if (!root->orphan_block_rsv) { - block_rsv = btrfs_alloc_block_rsv(root, BTRFS_BLOCK_RSV_TEMP); + block_rsv = btrfs_alloc_block_rsv(fs_info, + BTRFS_BLOCK_RSV_TEMP); if (!block_rsv) return -ENOMEM; } @@ -3285,7 +3283,7 @@ int btrfs_orphan_add(struct btrfs_trans_handle *trans, struct inode *inode) if (!root->orphan_block_rsv) { root->orphan_block_rsv = block_rsv; } else if (block_rsv) { - btrfs_free_block_rsv(root, block_rsv); + btrfs_free_block_rsv(fs_info, block_rsv); block_rsv = NULL; } @@ -3575,7 +3573,7 @@ int btrfs_orphan_cleanup(struct btrfs_root *root) root->orphan_cleanup_state = ORPHAN_CLEANUP_DONE; if (root->orphan_block_rsv) - btrfs_block_rsv_release(root, root->orphan_block_rsv, + btrfs_block_rsv_release(fs_info, root->orphan_block_rsv, (u64)-1); if (root->orphan_block_rsv || @@ -4063,7 +4061,7 @@ static int __btrfs_unlink_inode(struct btrfs_trans_handle *trans, goto err; } skip_backref: - ret = btrfs_delete_delayed_dir_index(trans, root, dir, index); + ret = btrfs_delete_delayed_dir_index(trans, fs_info, dir, index); if (ret) { btrfs_abort_transaction(trans, ret); goto err; @@ -4159,7 +4157,7 @@ static int btrfs_unlink(struct inode *dir, struct dentry *dentry) out: btrfs_end_transaction(trans, root); - btrfs_btree_balance_dirty(root); + btrfs_btree_balance_dirty(root->fs_info); return ret; } @@ -4227,7 +4225,7 @@ int btrfs_unlink_subvol(struct btrfs_trans_handle *trans, } btrfs_release_path(path); - ret = btrfs_delete_delayed_dir_index(trans, root, dir, index); + ret = btrfs_delete_delayed_dir_index(trans, fs_info, dir, index); if (ret) { btrfs_abort_transaction(trans, ret); goto out; @@ -4296,7 +4294,7 @@ static int btrfs_rmdir(struct inode *dir, struct dentry *dentry) } out: btrfs_end_transaction(trans, root); - btrfs_btree_balance_dirty(root); + btrfs_btree_balance_dirty(root->fs_info); return err; } @@ -4312,7 +4310,7 @@ static int truncate_space_check(struct btrfs_trans_handle *trans, * This is only used to apply pressure to the enospc system, we don't * intend to use this reservation at all. */ - bytes_deleted = btrfs_csum_bytes_to_leaves(root, bytes_deleted); + bytes_deleted = btrfs_csum_bytes_to_leaves(fs_info, bytes_deleted); bytes_deleted *= fs_info->nodesize; ret = btrfs_block_rsv_add(root, &fs_info->trans_block_rsv, bytes_deleted, BTRFS_RESERVE_NO_FLUSH); @@ -4360,7 +4358,7 @@ static int truncate_inline_extent(struct inode *inode, btrfs_set_file_extent_ram_bytes(leaf, fi, size); size = btrfs_file_extent_calc_inline_size(size); - btrfs_truncate_item(root, path, size, 1); + btrfs_truncate_item(root->fs_info, path, size, 1); if (test_bit(BTRFS_ROOT_REF_COWS, &root->state)) inode_sub_bytes(inode, item_end + 1 - new_size); @@ -4622,13 +4620,13 @@ delete: root == fs_info->tree_root)) { btrfs_set_path_blocking(path); bytes_deleted += extent_num_bytes; - ret = btrfs_free_extent(trans, root, extent_start, + ret = btrfs_free_extent(trans, fs_info, extent_start, extent_num_bytes, 0, btrfs_header_owner(leaf), ino, extent_offset); BUG_ON(ret); - if (btrfs_should_throttle_delayed_refs(trans, root)) - btrfs_async_run_delayed_refs(root, + if (btrfs_should_throttle_delayed_refs(trans, fs_info)) + btrfs_async_run_delayed_refs(fs_info, trans->delayed_ref_updates * 2, trans->transid, 0); if (be_nice) { @@ -4637,9 +4635,8 @@ delete: should_end = 1; } if (btrfs_should_throttle_delayed_refs(trans, - root)) { + fs_info)) should_throttle = 1; - } } } @@ -4664,7 +4661,9 @@ delete: unsigned long updates = trans->delayed_ref_updates; if (updates) { trans->delayed_ref_updates = 0; - ret = btrfs_run_delayed_refs(trans, root, updates * 2); + ret = btrfs_run_delayed_refs(trans, + fs_info, + updates * 2); if (ret && !err) err = ret; } @@ -4699,7 +4698,8 @@ error: unsigned long updates = trans->delayed_ref_updates; if (updates) { trans->delayed_ref_updates = 0; - ret = btrfs_run_delayed_refs(trans, root, updates * 2); + ret = btrfs_run_delayed_refs(trans, fs_info, + updates * 2); if (ret && !err) err = ret; } @@ -5280,7 +5280,7 @@ void btrfs_evict_inode(struct inode *inode) goto no_delete; } - rsv = btrfs_alloc_block_rsv(root, BTRFS_BLOCK_RSV_TEMP); + rsv = btrfs_alloc_block_rsv(fs_info, BTRFS_BLOCK_RSV_TEMP); if (!rsv) { btrfs_orphan_del(NULL, inode); goto no_delete; @@ -5325,14 +5325,14 @@ void btrfs_evict_inode(struct inode *inode) "Could not get space for a delete, will truncate on mount %d", ret); btrfs_orphan_del(NULL, inode); - btrfs_free_block_rsv(root, rsv); + btrfs_free_block_rsv(fs_info, rsv); goto no_delete; } trans = btrfs_join_transaction(root); if (IS_ERR(trans)) { btrfs_orphan_del(NULL, inode); - btrfs_free_block_rsv(root, rsv); + btrfs_free_block_rsv(fs_info, rsv); goto no_delete; } @@ -5342,7 +5342,7 @@ void btrfs_evict_inode(struct inode *inode) * again. */ if (steal_from_global) { - if (!btrfs_check_space_for_delayed_refs(trans, root)) + if (!btrfs_check_space_for_delayed_refs(trans, fs_info)) ret = btrfs_block_rsv_migrate(global_rsv, rsv, min_size, 0); else @@ -5358,7 +5358,7 @@ void btrfs_evict_inode(struct inode *inode) ret = btrfs_commit_transaction(trans, root); if (ret) { btrfs_orphan_del(NULL, inode); - btrfs_free_block_rsv(root, rsv); + btrfs_free_block_rsv(fs_info, rsv); goto no_delete; } continue; @@ -5375,10 +5375,10 @@ void btrfs_evict_inode(struct inode *inode) trans->block_rsv = &fs_info->trans_block_rsv; btrfs_end_transaction(trans, root); trans = NULL; - btrfs_btree_balance_dirty(root); + btrfs_btree_balance_dirty(fs_info); } - btrfs_free_block_rsv(root, rsv); + btrfs_free_block_rsv(fs_info, rsv); /* * Errors here aren't a big deal, it just means we leave orphan items @@ -5397,7 +5397,7 @@ void btrfs_evict_inode(struct inode *inode) btrfs_return_ino(root, btrfs_ino(inode)); btrfs_end_transaction(trans, root); - btrfs_btree_balance_dirty(root); + btrfs_btree_balance_dirty(fs_info); no_delete: btrfs_remove_delayed_node(inode); clear_inode(inode); @@ -5443,13 +5443,12 @@ out_err: * needs to be changed to reflect the root directory of the tree root. This * is kind of like crossing a mount point. */ -static int fixup_tree_root_location(struct btrfs_root *root, +static int fixup_tree_root_location(struct btrfs_fs_info *fs_info, struct inode *dir, struct dentry *dentry, struct btrfs_key *location, struct btrfs_root **sub_root) { - struct btrfs_fs_info *fs_info = btrfs_sb(dir->i_sb); struct btrfs_path *path; struct btrfs_root *new_root; struct btrfs_root_ref *ref; @@ -5749,7 +5748,7 @@ struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry) BUG_ON(location.type != BTRFS_ROOT_ITEM_KEY); index = srcu_read_lock(&fs_info->subvol_srcu); - ret = fixup_tree_root_location(root, dir, dentry, + ret = fixup_tree_root_location(fs_info, dir, dentry, &location, &sub_root); if (ret < 0) { if (ret != -ENOENT) @@ -5822,6 +5821,7 @@ unsigned char btrfs_filetype_table[] = { static int btrfs_real_readdir(struct file *file, struct dir_context *ctx) { struct inode *inode = file_inode(file); + struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); struct btrfs_root *root = BTRFS_I(inode)->root; struct btrfs_item *item; struct btrfs_dir_item *di; @@ -5889,7 +5889,7 @@ static int btrfs_real_readdir(struct file *file, struct dir_context *ctx) ctx->pos = found_key.offset; di = btrfs_item_ptr(leaf, slot, struct btrfs_dir_item); - if (verify_dir_item(root, leaf, di)) + if (verify_dir_item(fs_info, leaf, di)) goto next; name_len = btrfs_dir_name_len(leaf, di); @@ -5988,6 +5988,7 @@ int btrfs_write_inode(struct inode *inode, struct writeback_control *wbc) */ static int btrfs_dirty_inode(struct inode *inode) { + struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); struct btrfs_root *root = BTRFS_I(inode)->root; struct btrfs_trans_handle *trans; int ret; @@ -6011,7 +6012,7 @@ static int btrfs_dirty_inode(struct inode *inode) } btrfs_end_transaction(trans, root); if (BTRFS_I(inode)->delayed_node) - btrfs_balance_delayed_items(root); + btrfs_balance_delayed_items(fs_info); return ret; } @@ -6394,6 +6395,7 @@ static int btrfs_add_nondir(struct btrfs_trans_handle *trans, static int btrfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t rdev) { + struct btrfs_fs_info *fs_info = btrfs_sb(dir->i_sb); struct btrfs_trans_handle *trans; struct btrfs_root *root = BTRFS_I(dir)->root; struct inode *inode = NULL; @@ -6447,8 +6449,8 @@ static int btrfs_mknod(struct inode *dir, struct dentry *dentry, out_unlock: btrfs_end_transaction(trans, root); - btrfs_balance_delayed_items(root); - btrfs_btree_balance_dirty(root); + btrfs_balance_delayed_items(fs_info); + btrfs_btree_balance_dirty(fs_info); if (drop_inode) { inode_dec_link_count(inode); iput(inode); @@ -6465,6 +6467,7 @@ out_unlock_inode: static int btrfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, bool excl) { + struct btrfs_fs_info *fs_info = btrfs_sb(dir->i_sb); struct btrfs_trans_handle *trans; struct btrfs_root *root = BTRFS_I(dir)->root; struct inode *inode = NULL; @@ -6526,8 +6529,8 @@ out_unlock: inode_dec_link_count(inode); iput(inode); } - btrfs_balance_delayed_items(root); - btrfs_btree_balance_dirty(root); + btrfs_balance_delayed_items(fs_info); + btrfs_btree_balance_dirty(fs_info); return err; out_unlock_inode: @@ -6542,6 +6545,7 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir, struct btrfs_trans_handle *trans = NULL; struct btrfs_root *root = BTRFS_I(dir)->root; struct inode *inode = d_inode(old_dentry); + struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); u64 index; int err; int drop_inode = 0; @@ -6599,7 +6603,7 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir, btrfs_log_new_name(trans, inode, NULL, parent); } - btrfs_balance_delayed_items(root); + btrfs_balance_delayed_items(fs_info); fail: if (trans) btrfs_end_transaction(trans, root); @@ -6607,12 +6611,13 @@ fail: inode_dec_link_count(inode); iput(inode); } - btrfs_btree_balance_dirty(root); + btrfs_btree_balance_dirty(fs_info); return err; } static int btrfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { + struct btrfs_fs_info *fs_info = btrfs_sb(dir->i_sb); struct inode *inode = NULL; struct btrfs_trans_handle *trans; struct btrfs_root *root = BTRFS_I(dir)->root; @@ -6675,8 +6680,8 @@ out_fail: inode_dec_link_count(inode); iput(inode); } - btrfs_balance_delayed_items(root); - btrfs_btree_balance_dirty(root); + btrfs_balance_delayed_items(fs_info); + btrfs_btree_balance_dirty(fs_info); return err; out_fail_inode: @@ -7255,7 +7260,8 @@ static struct extent_map *btrfs_new_extent_direct(struct inode *inode, ins.offset, 0); btrfs_dec_block_group_reservations(fs_info, ins.objectid); if (IS_ERR(em)) - btrfs_free_reserved_extent(root, ins.objectid, ins.offset, 1); + btrfs_free_reserved_extent(fs_info, ins.objectid, + ins.offset, 1); return em; } @@ -7268,6 +7274,7 @@ noinline int can_nocow_extent(struct inode *inode, u64 offset, u64 *len, u64 *orig_start, u64 *orig_block_len, u64 *ram_bytes) { + struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); struct btrfs_trans_handle *trans; struct btrfs_path *path; int ret; @@ -7348,7 +7355,7 @@ noinline int can_nocow_extent(struct inode *inode, u64 offset, u64 *len, *ram_bytes = btrfs_file_extent_ram_bytes(leaf, fi); } - if (btrfs_extent_readonly(root, disk_bytenr)) + if (btrfs_extent_readonly(fs_info, disk_bytenr)) goto out; num_bytes = min(offset + *len, extent_end) - offset; @@ -7393,8 +7400,8 @@ noinline int can_nocow_extent(struct inode *inode, u64 offset, u64 *len, */ disk_bytenr += backref_offset; disk_bytenr += offset - key.offset; - if (csum_exist_in_range(root, disk_bytenr, num_bytes)) - goto out; + if (csum_exist_in_range(fs_info, disk_bytenr, num_bytes)) + goto out; /* * all of the above have passed, it is safe to overwrite this extent * without cow @@ -7832,19 +7839,18 @@ err: static inline int submit_dio_repair_bio(struct inode *inode, struct bio *bio, int mirror_num) { - struct btrfs_root *root = BTRFS_I(inode)->root; + struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); int ret; BUG_ON(bio_op(bio) == REQ_OP_WRITE); bio_get(bio); - ret = btrfs_bio_wq_end_io(root->fs_info, bio, - BTRFS_WQ_ENDIO_DIO_REPAIR); + ret = btrfs_bio_wq_end_io(fs_info, bio, BTRFS_WQ_ENDIO_DIO_REPAIR); if (ret) goto err; - ret = btrfs_map_bio(root, bio, mirror_num, 0); + ret = btrfs_map_bio(fs_info, bio, mirror_num, 0); err: bio_put(bio); return ret; @@ -8225,8 +8231,7 @@ static int __btrfs_submit_bio_start_direct_io(struct inode *inode, unsigned long bio_flags, u64 offset) { int ret; - struct btrfs_root *root = BTRFS_I(inode)->root; - ret = btrfs_csum_one_bio(root, inode, bio, offset, 1); + ret = btrfs_csum_one_bio(inode, bio, offset, 1); BUG_ON(ret); /* -ENOMEM */ return 0; } @@ -8280,8 +8285,7 @@ static struct bio *btrfs_dio_bio_alloc(struct block_device *bdev, return bio; } -static inline int btrfs_lookup_and_bind_dio_csum(struct btrfs_root *root, - struct inode *inode, +static inline int btrfs_lookup_and_bind_dio_csum(struct inode *inode, struct btrfs_dio_private *dip, struct bio *bio, u64 file_offset) @@ -8296,7 +8300,7 @@ static inline int btrfs_lookup_and_bind_dio_csum(struct btrfs_root *root, * contention. */ if (dip->logical_offset == file_offset) { - ret = btrfs_lookup_bio_sums_dio(root, inode, dip->orig_bio, + ret = btrfs_lookup_bio_sums_dio(inode, dip->orig_bio, file_offset); if (ret) return ret; @@ -8319,7 +8323,6 @@ static inline int __btrfs_submit_dio_bio(struct bio *bio, struct inode *inode, struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); struct btrfs_dio_private *dip = bio->bi_private; bool write = bio_op(bio) == REQ_OP_WRITE; - struct btrfs_root *root = BTRFS_I(inode)->root; int ret; if (async_submit) @@ -8347,17 +8350,17 @@ static inline int __btrfs_submit_dio_bio(struct bio *bio, struct inode *inode, * If we aren't doing async submit, calculate the csum of the * bio now. */ - ret = btrfs_csum_one_bio(root, inode, bio, file_offset, 1); + ret = btrfs_csum_one_bio(inode, bio, file_offset, 1); if (ret) goto err; } else { - ret = btrfs_lookup_and_bind_dio_csum(root, inode, dip, bio, + ret = btrfs_lookup_and_bind_dio_csum(inode, dip, bio, file_offset); if (ret) goto err; } map: - ret = btrfs_map_bio(root, bio, 0, async_submit); + ret = btrfs_map_bio(fs_info, bio, 0, async_submit); err: bio_put(bio); return ret; @@ -8595,10 +8598,10 @@ free_ordered: kfree(dip); } -static ssize_t check_direct_IO(struct btrfs_root *root, struct kiocb *iocb, - const struct iov_iter *iter, loff_t offset) +static ssize_t check_direct_IO(struct btrfs_fs_info *fs_info, + struct kiocb *iocb, + const struct iov_iter *iter, loff_t offset) { - struct btrfs_fs_info *fs_info = root->fs_info; int seg; int i; unsigned int blocksize_mask = fs_info->sectorsize - 1; @@ -8642,7 +8645,7 @@ static ssize_t btrfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter) bool relock = false; ssize_t ret; - if (check_direct_IO(BTRFS_I(inode)->root, iocb, iter, offset)) + if (check_direct_IO(fs_info, iocb, iter, offset)) return 0; inode_dio_begin(inode); @@ -9150,7 +9153,7 @@ static int btrfs_truncate(struct inode *inode) * 3) fs_info->trans_block_rsv - this will have 1 items worth left for * updating the inode. */ - rsv = btrfs_alloc_block_rsv(root, BTRFS_BLOCK_RSV_TEMP); + rsv = btrfs_alloc_block_rsv(fs_info, BTRFS_BLOCK_RSV_TEMP); if (!rsv) return -ENOMEM; rsv->size = min_size; @@ -9198,7 +9201,7 @@ static int btrfs_truncate(struct inode *inode) } btrfs_end_transaction(trans, root); - btrfs_btree_balance_dirty(root); + btrfs_btree_balance_dirty(fs_info); trans = btrfs_start_transaction(root, 2); if (IS_ERR(trans)) { @@ -9227,10 +9230,10 @@ static int btrfs_truncate(struct inode *inode) err = ret; ret = btrfs_end_transaction(trans, root); - btrfs_btree_balance_dirty(root); + btrfs_btree_balance_dirty(fs_info); } out: - btrfs_free_block_rsv(root, rsv); + btrfs_free_block_rsv(fs_info, rsv); if (ret && !err) err = ret; @@ -10302,7 +10305,7 @@ out_unlock: inode_dec_link_count(inode); iput(inode); } - btrfs_btree_balance_dirty(root); + btrfs_btree_balance_dirty(fs_info); return err; out_unlock_inode: @@ -10365,7 +10368,7 @@ static int __btrfs_prealloc_file_range(struct inode *inode, int mode, ins.offset, 0, 0, 0, BTRFS_FILE_EXTENT_PREALLOC); if (ret) { - btrfs_free_reserved_extent(root, ins.objectid, + btrfs_free_reserved_extent(fs_info, ins.objectid, ins.offset, 0); btrfs_abort_transaction(trans, ret); if (own_trans) @@ -10482,6 +10485,7 @@ static int btrfs_permission(struct inode *inode, int mask) static int btrfs_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode) { + struct btrfs_fs_info *fs_info = btrfs_sb(dir->i_sb); struct btrfs_trans_handle *trans; struct btrfs_root *root = BTRFS_I(dir)->root; struct inode *inode = NULL; @@ -10541,8 +10545,8 @@ out: btrfs_end_transaction(trans, root); if (ret) iput(inode); - btrfs_balance_delayed_items(root); - btrfs_btree_balance_dirty(root); + btrfs_balance_delayed_items(fs_info); + btrfs_btree_balance_dirty(fs_info); return ret; out_inode: diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index d00e4d3c1baf..256af12d0ff0 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -411,7 +411,7 @@ static noinline int btrfs_ioctl_fitrim(struct file *file, void __user *arg) range.len = min(range.len, total_bytes - range.start); range.minlen = max(range.minlen, minlen); - ret = btrfs_trim_fs(fs_info->tree_root, &range); + ret = btrfs_trim_fs(fs_info, &range); if (ret < 0) return ret; @@ -487,7 +487,7 @@ static noinline int create_subvol(struct inode *dir, trans = btrfs_start_transaction(root, 0); if (IS_ERR(trans)) { ret = PTR_ERR(trans); - btrfs_subvolume_release_metadata(root, &block_rsv, + btrfs_subvolume_release_metadata(fs_info, &block_rsv, qgroup_reserved); goto fail_free; } @@ -613,7 +613,7 @@ fail: kfree(root_item); trans->block_rsv = NULL; trans->bytes_reserved = 0; - btrfs_subvolume_release_metadata(root, &block_rsv, qgroup_reserved); + btrfs_subvolume_release_metadata(fs_info, &block_rsv, qgroup_reserved); if (async_transid) { *async_transid = trans->transid; @@ -755,7 +755,7 @@ static int create_snapshot(struct btrfs_root *root, struct inode *dir, d_instantiate(dentry, inode); ret = 0; fail: - btrfs_subvolume_release_metadata(BTRFS_I(dir)->root, + btrfs_subvolume_release_metadata(fs_info, &pending_snapshot->block_rsv, pending_snapshot->qgroup_reserved); dec_and_free: @@ -2557,7 +2557,7 @@ out_end_trans: err = ret; inode->i_flags |= S_DEAD; out_release: - btrfs_subvolume_release_metadata(root, &block_rsv, qgroup_reserved); + btrfs_subvolume_release_metadata(fs_info, &block_rsv, qgroup_reserved); out_up_write: up_write(&fs_info->subvol_sem); if (err) { @@ -2661,9 +2661,8 @@ out: return ret; } -static long btrfs_ioctl_add_dev(struct btrfs_root *root, void __user *arg) +static long btrfs_ioctl_add_dev(struct btrfs_fs_info *fs_info, void __user *arg) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_ioctl_vol_args *vol_args; int ret; @@ -2681,7 +2680,7 @@ static long btrfs_ioctl_add_dev(struct btrfs_root *root, void __user *arg) } vol_args->name[BTRFS_PATH_NAME_MAX] = '\0'; - ret = btrfs_init_new_device(root->fs_info, vol_args->name); + ret = btrfs_init_new_device(fs_info, vol_args->name); if (!ret) btrfs_info(fs_info, "disk added %s", vol_args->name); @@ -2697,7 +2696,6 @@ static long btrfs_ioctl_rm_dev_v2(struct file *file, void __user *arg) { struct inode *inode = file_inode(file); struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); - struct btrfs_root *root = BTRFS_I(inode)->root; struct btrfs_ioctl_vol_args_v2 *vol_args; int ret; @@ -2725,10 +2723,10 @@ static long btrfs_ioctl_rm_dev_v2(struct file *file, void __user *arg) mutex_lock(&fs_info->volume_mutex); if (vol_args->flags & BTRFS_DEVICE_SPEC_BY_ID) { - ret = btrfs_rm_device(root, NULL, vol_args->devid); + ret = btrfs_rm_device(fs_info, NULL, vol_args->devid); } else { vol_args->name[BTRFS_SUBVOL_NAME_MAX] = '\0'; - ret = btrfs_rm_device(root, vol_args->name, 0); + ret = btrfs_rm_device(fs_info, vol_args->name, 0); } mutex_unlock(&fs_info->volume_mutex); atomic_set(&fs_info->mutually_exclusive_operation_running, 0); @@ -2752,7 +2750,6 @@ static long btrfs_ioctl_rm_dev(struct file *file, void __user *arg) { struct inode *inode = file_inode(file); struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); - struct btrfs_root *root = BTRFS_I(inode)->root; struct btrfs_ioctl_vol_args *vol_args; int ret; @@ -2776,7 +2773,7 @@ static long btrfs_ioctl_rm_dev(struct file *file, void __user *arg) vol_args->name[BTRFS_PATH_NAME_MAX] = '\0'; mutex_lock(&fs_info->volume_mutex); - ret = btrfs_rm_device(root, vol_args->name, 0); + ret = btrfs_rm_device(fs_info, vol_args->name, 0); mutex_unlock(&fs_info->volume_mutex); if (!ret) @@ -2790,9 +2787,9 @@ out_drop_write: return ret; } -static long btrfs_ioctl_fs_info(struct btrfs_root *root, void __user *arg) +static long btrfs_ioctl_fs_info(struct btrfs_fs_info *fs_info, + void __user *arg) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_ioctl_fs_info_args *fi_args; struct btrfs_device *device; struct btrfs_fs_devices *fs_devices = fs_info->fs_devices; @@ -2823,9 +2820,9 @@ static long btrfs_ioctl_fs_info(struct btrfs_root *root, void __user *arg) return ret; } -static long btrfs_ioctl_dev_info(struct btrfs_root *root, void __user *arg) +static long btrfs_ioctl_dev_info(struct btrfs_fs_info *fs_info, + void __user *arg) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_ioctl_dev_info_args *di_args; struct btrfs_device *dev; struct btrfs_fs_devices *fs_devices = fs_info->fs_devices; @@ -3750,7 +3747,8 @@ process_slot: if (disko) { inode_add_bytes(inode, datal); - ret = btrfs_inc_extent_ref(trans, root, + ret = btrfs_inc_extent_ref(trans, + fs_info, disko, diskl, 0, root->root_key.objectid, btrfs_ino(inode), @@ -4151,9 +4149,9 @@ void btrfs_get_block_group_info(struct list_head *groups_list, } } -static long btrfs_ioctl_space_info(struct btrfs_root *root, void __user *arg) +static long btrfs_ioctl_space_info(struct btrfs_fs_info *fs_info, + void __user *arg) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_ioctl_space_args space_args; struct btrfs_ioctl_space_info space; struct btrfs_ioctl_space_info *dest; @@ -4346,7 +4344,7 @@ out: return 0; } -static noinline long btrfs_ioctl_wait_sync(struct btrfs_root *root, +static noinline long btrfs_ioctl_wait_sync(struct btrfs_fs_info *fs_info, void __user *argp) { u64 transid; @@ -4357,7 +4355,7 @@ static noinline long btrfs_ioctl_wait_sync(struct btrfs_root *root, } else { transid = 0; /* current trans */ } - return btrfs_wait_for_commit(root, transid); + return btrfs_wait_for_commit(fs_info, transid); } static long btrfs_ioctl_scrub(struct file *file, void __user *arg) @@ -4393,15 +4391,15 @@ out: return ret; } -static long btrfs_ioctl_scrub_cancel(struct btrfs_root *root, void __user *arg) +static long btrfs_ioctl_scrub_cancel(struct btrfs_fs_info *fs_info) { if (!capable(CAP_SYS_ADMIN)) return -EPERM; - return btrfs_scrub_cancel(root->fs_info); + return btrfs_scrub_cancel(fs_info); } -static long btrfs_ioctl_scrub_progress(struct btrfs_root *root, +static long btrfs_ioctl_scrub_progress(struct btrfs_fs_info *fs_info, void __user *arg) { struct btrfs_ioctl_scrub_args *sa; @@ -4414,7 +4412,7 @@ static long btrfs_ioctl_scrub_progress(struct btrfs_root *root, if (IS_ERR(sa)) return PTR_ERR(sa); - ret = btrfs_scrub_progress(root, sa->devid, &sa->progress); + ret = btrfs_scrub_progress(fs_info, sa->devid, &sa->progress); if (copy_to_user(arg, sa, sizeof(*sa))) ret = -EFAULT; @@ -4423,7 +4421,7 @@ static long btrfs_ioctl_scrub_progress(struct btrfs_root *root, return ret; } -static long btrfs_ioctl_get_dev_stats(struct btrfs_root *root, +static long btrfs_ioctl_get_dev_stats(struct btrfs_fs_info *fs_info, void __user *arg) { struct btrfs_ioctl_get_dev_stats *sa; @@ -4438,7 +4436,7 @@ static long btrfs_ioctl_get_dev_stats(struct btrfs_root *root, return -EPERM; } - ret = btrfs_get_dev_stats(root, sa); + ret = btrfs_get_dev_stats(fs_info, sa); if (copy_to_user(arg, sa, sizeof(*sa))) ret = -EFAULT; @@ -4447,9 +4445,9 @@ static long btrfs_ioctl_get_dev_stats(struct btrfs_root *root, return ret; } -static long btrfs_ioctl_dev_replace(struct btrfs_root *root, void __user *arg) +static long btrfs_ioctl_dev_replace(struct btrfs_fs_info *fs_info, + void __user *arg) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_ioctl_dev_replace_args *p; int ret; @@ -4470,7 +4468,7 @@ static long btrfs_ioctl_dev_replace(struct btrfs_root *root, void __user *arg) &fs_info->mutually_exclusive_operation_running, 1)) { ret = BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS; } else { - ret = btrfs_dev_replace_by_ioctl(root, p); + ret = btrfs_dev_replace_by_ioctl(fs_info, p); atomic_set( &fs_info->mutually_exclusive_operation_running, 0); } @@ -4573,7 +4571,7 @@ static int build_ino_list(u64 inum, u64 offset, u64 root, void *ctx) return 0; } -static long btrfs_ioctl_logical_to_ino(struct btrfs_root *root, +static long btrfs_ioctl_logical_to_ino(struct btrfs_fs_info *fs_info, void __user *arg) { int ret = 0; @@ -4603,7 +4601,7 @@ static long btrfs_ioctl_logical_to_ino(struct btrfs_root *root, goto out; } - ret = iterate_inodes_from_logical(loi->logical, root->fs_info, path, + ret = iterate_inodes_from_logical(loi->logical, fs_info, path, build_ino_list, inodes); if (ret == -EINVAL) ret = -ENOENT; @@ -4799,10 +4797,8 @@ out: return ret; } -static long btrfs_ioctl_balance_ctl(struct btrfs_root *root, int cmd) +static long btrfs_ioctl_balance_ctl(struct btrfs_fs_info *fs_info, int cmd) { - struct btrfs_fs_info *fs_info = root->fs_info; - if (!capable(CAP_SYS_ADMIN)) return -EPERM; @@ -4816,10 +4812,9 @@ static long btrfs_ioctl_balance_ctl(struct btrfs_root *root, int cmd) return -EINVAL; } -static long btrfs_ioctl_balance_progress(struct btrfs_root *root, +static long btrfs_ioctl_balance_progress(struct btrfs_fs_info *fs_info, void __user *arg) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_ioctl_balance_args *bargs; int ret = 0; @@ -5395,12 +5390,11 @@ static int btrfs_ioctl_get_features(struct file *file, void __user *arg) return 0; } -static int check_feature_bits(struct btrfs_root *root, +static int check_feature_bits(struct btrfs_fs_info *fs_info, enum btrfs_feature_set set, u64 change_mask, u64 flags, u64 supported_flags, u64 safe_set, u64 safe_clear) { - struct btrfs_fs_info *fs_info = root->fs_info; const char *type = btrfs_feature_set_names[set]; char *names; u64 disallowed, unsupported; @@ -5455,8 +5449,8 @@ static int check_feature_bits(struct btrfs_root *root, return 0; } -#define check_feature(root, change_mask, flags, mask_base) \ -check_feature_bits(root, FEAT_##mask_base, change_mask, flags, \ +#define check_feature(fs_info, change_mask, flags, mask_base) \ +check_feature_bits(fs_info, FEAT_##mask_base, change_mask, flags, \ BTRFS_FEATURE_ ## mask_base ## _SUPP, \ BTRFS_FEATURE_ ## mask_base ## _SAFE_SET, \ BTRFS_FEATURE_ ## mask_base ## _SAFE_CLEAR) @@ -5483,17 +5477,17 @@ static int btrfs_ioctl_set_features(struct file *file, void __user *arg) !flags[0].incompat_flags) return 0; - ret = check_feature(root, flags[0].compat_flags, + ret = check_feature(fs_info, flags[0].compat_flags, flags[1].compat_flags, COMPAT); if (ret) return ret; - ret = check_feature(root, flags[0].compat_ro_flags, + ret = check_feature(fs_info, flags[0].compat_ro_flags, flags[1].compat_ro_flags, COMPAT_RO); if (ret) return ret; - ret = check_feature(root, flags[0].incompat_flags, + ret = check_feature(fs_info, flags[0].incompat_flags, flags[1].incompat_flags, INCOMPAT); if (ret) return ret; @@ -5572,15 +5566,15 @@ long btrfs_ioctl(struct file *file, unsigned int case BTRFS_IOC_RESIZE: return btrfs_ioctl_resize(file, argp); case BTRFS_IOC_ADD_DEV: - return btrfs_ioctl_add_dev(root, argp); + return btrfs_ioctl_add_dev(fs_info, argp); case BTRFS_IOC_RM_DEV: return btrfs_ioctl_rm_dev(file, argp); case BTRFS_IOC_RM_DEV_V2: return btrfs_ioctl_rm_dev_v2(file, argp); case BTRFS_IOC_FS_INFO: - return btrfs_ioctl_fs_info(root, argp); + return btrfs_ioctl_fs_info(fs_info, argp); case BTRFS_IOC_DEV_INFO: - return btrfs_ioctl_dev_info(root, argp); + return btrfs_ioctl_dev_info(fs_info, argp); case BTRFS_IOC_BALANCE: return btrfs_ioctl_balance(file, NULL); case BTRFS_IOC_TRANS_START: @@ -5596,9 +5590,9 @@ long btrfs_ioctl(struct file *file, unsigned int case BTRFS_IOC_INO_PATHS: return btrfs_ioctl_ino_to_path(root, argp); case BTRFS_IOC_LOGICAL_INO: - return btrfs_ioctl_logical_to_ino(root, argp); + return btrfs_ioctl_logical_to_ino(fs_info, argp); case BTRFS_IOC_SPACE_INFO: - return btrfs_ioctl_space_info(root, argp); + return btrfs_ioctl_space_info(fs_info, argp); case BTRFS_IOC_SYNC: { int ret; @@ -5617,19 +5611,19 @@ long btrfs_ioctl(struct file *file, unsigned int case BTRFS_IOC_START_SYNC: return btrfs_ioctl_start_sync(root, argp); case BTRFS_IOC_WAIT_SYNC: - return btrfs_ioctl_wait_sync(root, argp); + return btrfs_ioctl_wait_sync(fs_info, argp); case BTRFS_IOC_SCRUB: return btrfs_ioctl_scrub(file, argp); case BTRFS_IOC_SCRUB_CANCEL: - return btrfs_ioctl_scrub_cancel(root, argp); + return btrfs_ioctl_scrub_cancel(fs_info); case BTRFS_IOC_SCRUB_PROGRESS: - return btrfs_ioctl_scrub_progress(root, argp); + return btrfs_ioctl_scrub_progress(fs_info, argp); case BTRFS_IOC_BALANCE_V2: return btrfs_ioctl_balance(file, argp); case BTRFS_IOC_BALANCE_CTL: - return btrfs_ioctl_balance_ctl(root, arg); + return btrfs_ioctl_balance_ctl(fs_info, arg); case BTRFS_IOC_BALANCE_PROGRESS: - return btrfs_ioctl_balance_progress(root, argp); + return btrfs_ioctl_balance_progress(fs_info, argp); case BTRFS_IOC_SET_RECEIVED_SUBVOL: return btrfs_ioctl_set_received_subvol(file, argp); #ifdef CONFIG_64BIT @@ -5639,7 +5633,7 @@ long btrfs_ioctl(struct file *file, unsigned int case BTRFS_IOC_SEND: return btrfs_ioctl_send(file, argp); case BTRFS_IOC_GET_DEV_STATS: - return btrfs_ioctl_get_dev_stats(root, argp); + return btrfs_ioctl_get_dev_stats(fs_info, argp); case BTRFS_IOC_QUOTA_CTL: return btrfs_ioctl_quota_ctl(file, argp); case BTRFS_IOC_QGROUP_ASSIGN: @@ -5655,7 +5649,7 @@ long btrfs_ioctl(struct file *file, unsigned int case BTRFS_IOC_QUOTA_RESCAN_WAIT: return btrfs_ioctl_quota_rescan_wait(file, argp); case BTRFS_IOC_DEV_REPLACE: - return btrfs_ioctl_dev_replace(root, argp); + return btrfs_ioctl_dev_replace(fs_info, argp); case BTRFS_IOC_GET_FSLABEL: return btrfs_ioctl_get_fslabel(file, argp); case BTRFS_IOC_SET_FSLABEL: diff --git a/fs/btrfs/print-tree.c b/fs/btrfs/print-tree.c index 3251a0dd03a2..cdafbf92ef0c 100644 --- a/fs/btrfs/print-tree.c +++ b/fs/btrfs/print-tree.c @@ -161,9 +161,8 @@ static void print_uuid_item(struct extent_buffer *l, unsigned long offset, } } -void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) +void btrfs_print_leaf(struct btrfs_fs_info *fs_info, struct extent_buffer *l) { - struct btrfs_fs_info *fs_info = root->fs_info; int i; u32 type, nr; struct btrfs_item *item; @@ -184,7 +183,8 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) nr = btrfs_header_nritems(l); btrfs_info(fs_info, "leaf %llu total ptrs %d free space %d", - btrfs_header_bytenr(l), nr, btrfs_leaf_free_space(root, l)); + btrfs_header_bytenr(l), nr, + btrfs_leaf_free_space(fs_info, l)); for (i = 0 ; i < nr ; i++) { item = btrfs_item_nr(i); btrfs_item_key_to_cpu(l, &key, i); @@ -315,9 +315,8 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) } } -void btrfs_print_tree(struct btrfs_root *root, struct extent_buffer *c) +void btrfs_print_tree(struct btrfs_fs_info *fs_info, struct extent_buffer *c) { - struct btrfs_fs_info *fs_info = root->fs_info; int i; u32 nr; struct btrfs_key key; int level; @@ -327,7 +326,7 @@ void btrfs_print_tree(struct btrfs_root *root, struct extent_buffer *c) nr = btrfs_header_nritems(c); level = btrfs_header_level(c); if (level == 0) { - btrfs_print_leaf(root, c); + btrfs_print_leaf(fs_info, c); return; } btrfs_info(fs_info, @@ -341,7 +340,7 @@ void btrfs_print_tree(struct btrfs_root *root, struct extent_buffer *c) btrfs_node_blockptr(c, i)); } for (i = 0; i < nr; i++) { - struct extent_buffer *next = read_tree_block(root, + struct extent_buffer *next = read_tree_block(fs_info, btrfs_node_blockptr(c, i), btrfs_node_ptr_generation(c, i)); if (IS_ERR(next)) { @@ -357,7 +356,7 @@ void btrfs_print_tree(struct btrfs_root *root, struct extent_buffer *c) if (btrfs_header_level(next) != level - 1) BUG(); - btrfs_print_tree(root, next); + btrfs_print_tree(fs_info, next); free_extent_buffer(next); } } diff --git a/fs/btrfs/print-tree.h b/fs/btrfs/print-tree.h index 7faddfacc5bd..4f2e0ea0e95a 100644 --- a/fs/btrfs/print-tree.h +++ b/fs/btrfs/print-tree.h @@ -18,6 +18,6 @@ #ifndef __PRINT_TREE_ #define __PRINT_TREE_ -void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l); -void btrfs_print_tree(struct btrfs_root *root, struct extent_buffer *c); +void btrfs_print_leaf(struct btrfs_fs_info *fs_info, struct extent_buffer *l); +void btrfs_print_tree(struct btrfs_fs_info *fs_info, struct extent_buffer *c); #endif diff --git a/fs/btrfs/props.c b/fs/btrfs/props.c index f4a58761ae4e..f2621e330954 100644 --- a/fs/btrfs/props.c +++ b/fs/btrfs/props.c @@ -301,6 +301,7 @@ static int inherit_props(struct btrfs_trans_handle *trans, struct inode *parent) { struct btrfs_root *root = BTRFS_I(inode)->root; + struct btrfs_fs_info *fs_info = root->fs_info; int ret; int i; @@ -320,14 +321,14 @@ static int inherit_props(struct btrfs_trans_handle *trans, if (!value) continue; - num_bytes = btrfs_calc_trans_metadata_size(root->fs_info, 1); + num_bytes = btrfs_calc_trans_metadata_size(fs_info, 1); ret = btrfs_block_rsv_add(root, trans->block_rsv, num_bytes, BTRFS_RESERVE_NO_FLUSH); if (ret) goto out; ret = __btrfs_set_prop(trans, inode, h->xattr_name, value, strlen(value), 0); - btrfs_block_rsv_release(root, trans->block_rsv, num_bytes); + btrfs_block_rsv_release(fs_info, trans->block_rsv, num_bytes); if (ret) goto out; } diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index eb389b1452ae..135bb7986dfb 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -1509,8 +1509,7 @@ int btrfs_qgroup_trace_extent(struct btrfs_trans_handle *trans, record->old_roots = NULL; spin_lock(&delayed_refs->lock); - ret = btrfs_qgroup_trace_extent_nolock(fs_info, delayed_refs, - record); + ret = btrfs_qgroup_trace_extent_nolock(fs_info, delayed_refs, record); spin_unlock(&delayed_refs->lock); if (ret > 0) kfree(record); @@ -1518,10 +1517,9 @@ int btrfs_qgroup_trace_extent(struct btrfs_trans_handle *trans, } int btrfs_qgroup_trace_leaf_items(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, struct extent_buffer *eb) { - struct btrfs_fs_info *fs_info = root->fs_info; int nr = btrfs_header_nritems(eb); int i, extent_type, ret; struct btrfs_key key; @@ -1645,7 +1643,7 @@ int btrfs_qgroup_trace_subtree(struct btrfs_trans_handle *trans, } if (root_level == 0) { - ret = btrfs_qgroup_trace_leaf_items(trans, root, root_eb); + ret = btrfs_qgroup_trace_leaf_items(trans, fs_info, root_eb); goto out; } @@ -1683,7 +1681,7 @@ walk_down: child_bytenr = btrfs_node_blockptr(eb, parent_slot); child_gen = btrfs_node_ptr_generation(eb, parent_slot); - eb = read_tree_block(root, child_bytenr, child_gen); + eb = read_tree_block(fs_info, child_bytenr, child_gen); if (IS_ERR(eb)) { ret = PTR_ERR(eb); goto out; @@ -1709,8 +1707,8 @@ walk_down: } if (level == 0) { - ret = btrfs_qgroup_trace_leaf_items(trans, root, - path->nodes[level]); + ret = btrfs_qgroup_trace_leaf_items(trans,fs_info, + path->nodes[level]); if (ret) goto out; diff --git a/fs/btrfs/qgroup.h b/fs/btrfs/qgroup.h index 99c879dbedc1..416ae8e1d23c 100644 --- a/fs/btrfs/qgroup.h +++ b/fs/btrfs/qgroup.h @@ -129,7 +129,7 @@ int btrfs_qgroup_trace_extent(struct btrfs_trans_handle *trans, * Return <0 for error(ENOMEM) */ int btrfs_qgroup_trace_leaf_items(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, struct extent_buffer *eb); /* * Inform qgroup to trace a whole subtree, including all its child tree diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c index 9a67346b48f5..d2a9a1ee5361 100644 --- a/fs/btrfs/raid56.c +++ b/fs/btrfs/raid56.c @@ -969,8 +969,9 @@ static unsigned long rbio_nr_pages(unsigned long stripe_len, int nr_stripes) * allocation and initial setup for the btrfs_raid_bio. Not * this does not allocate any pages for rbio->pages. */ -static struct btrfs_raid_bio *alloc_rbio(struct btrfs_root *root, - struct btrfs_bio *bbio, u64 stripe_len) +static struct btrfs_raid_bio *alloc_rbio(struct btrfs_fs_info *fs_info, + struct btrfs_bio *bbio, + u64 stripe_len) { struct btrfs_raid_bio *rbio; int nr_data = 0; @@ -991,7 +992,7 @@ static struct btrfs_raid_bio *alloc_rbio(struct btrfs_root *root, INIT_LIST_HEAD(&rbio->stripe_cache); INIT_LIST_HEAD(&rbio->hash_list); rbio->bbio = bbio; - rbio->fs_info = root->fs_info; + rbio->fs_info = fs_info; rbio->stripe_len = stripe_len; rbio->nr_pages = num_pages; rbio->real_stripes = real_stripes; @@ -1734,16 +1735,15 @@ static void btrfs_raid_unplug(struct blk_plug_cb *cb, bool from_schedule) /* * our main entry point for writes from the rest of the FS. */ -int raid56_parity_write(struct btrfs_root *root, struct bio *bio, +int raid56_parity_write(struct btrfs_fs_info *fs_info, struct bio *bio, struct btrfs_bio *bbio, u64 stripe_len) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_raid_bio *rbio; struct btrfs_plug_cb *plug = NULL; struct blk_plug_cb *cb; int ret; - rbio = alloc_rbio(root, bbio, stripe_len); + rbio = alloc_rbio(fs_info, bbio, stripe_len); if (IS_ERR(rbio)) { btrfs_put_bbio(bbio); return PTR_ERR(rbio); @@ -2113,15 +2113,14 @@ cleanup: * so we assume the bio they send down corresponds to a failed part * of the drive. */ -int raid56_parity_recover(struct btrfs_root *root, struct bio *bio, +int raid56_parity_recover(struct btrfs_fs_info *fs_info, struct bio *bio, struct btrfs_bio *bbio, u64 stripe_len, int mirror_num, int generic_io) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_raid_bio *rbio; int ret; - rbio = alloc_rbio(root, bbio, stripe_len); + rbio = alloc_rbio(fs_info, bbio, stripe_len); if (IS_ERR(rbio)) { if (generic_io) btrfs_put_bbio(bbio); @@ -2203,16 +2202,15 @@ static void read_rebuild_work(struct btrfs_work *work) */ struct btrfs_raid_bio * -raid56_parity_alloc_scrub_rbio(struct btrfs_root *root, struct bio *bio, +raid56_parity_alloc_scrub_rbio(struct btrfs_fs_info *fs_info, struct bio *bio, struct btrfs_bio *bbio, u64 stripe_len, struct btrfs_device *scrub_dev, unsigned long *dbitmap, int stripe_nsectors) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_raid_bio *rbio; int i; - rbio = alloc_rbio(root, bbio, stripe_len); + rbio = alloc_rbio(fs_info, bbio, stripe_len); if (IS_ERR(rbio)) return NULL; bio_list_add(&rbio->bio_list, bio); @@ -2653,12 +2651,12 @@ void raid56_parity_submit_scrub_rbio(struct btrfs_raid_bio *rbio) /* The following code is used for dev replace of a missing RAID 5/6 device. */ struct btrfs_raid_bio * -raid56_alloc_missing_rbio(struct btrfs_root *root, struct bio *bio, +raid56_alloc_missing_rbio(struct btrfs_fs_info *fs_info, struct bio *bio, struct btrfs_bio *bbio, u64 length) { struct btrfs_raid_bio *rbio; - rbio = alloc_rbio(root, bbio, length); + rbio = alloc_rbio(fs_info, bbio, length); if (IS_ERR(rbio)) return NULL; diff --git a/fs/btrfs/raid56.h b/fs/btrfs/raid56.h index 8b694699d502..4ee4fe346838 100644 --- a/fs/btrfs/raid56.h +++ b/fs/btrfs/raid56.h @@ -42,24 +42,24 @@ static inline int nr_data_stripes(struct map_lookup *map) struct btrfs_raid_bio; struct btrfs_device; -int raid56_parity_recover(struct btrfs_root *root, struct bio *bio, +int raid56_parity_recover(struct btrfs_fs_info *fs_info, struct bio *bio, struct btrfs_bio *bbio, u64 stripe_len, int mirror_num, int generic_io); -int raid56_parity_write(struct btrfs_root *root, struct bio *bio, +int raid56_parity_write(struct btrfs_fs_info *fs_info, struct bio *bio, struct btrfs_bio *bbio, u64 stripe_len); void raid56_add_scrub_pages(struct btrfs_raid_bio *rbio, struct page *page, u64 logical); struct btrfs_raid_bio * -raid56_parity_alloc_scrub_rbio(struct btrfs_root *root, struct bio *bio, +raid56_parity_alloc_scrub_rbio(struct btrfs_fs_info *fs_info, struct bio *bio, struct btrfs_bio *bbio, u64 stripe_len, struct btrfs_device *scrub_dev, unsigned long *dbitmap, int stripe_nsectors); void raid56_parity_submit_scrub_rbio(struct btrfs_raid_bio *rbio); struct btrfs_raid_bio * -raid56_alloc_missing_rbio(struct btrfs_root *root, struct bio *bio, +raid56_alloc_missing_rbio(struct btrfs_fs_info *fs_info, struct bio *bio, struct btrfs_bio *bbio, u64 length); void raid56_submit_missing_rbio(struct btrfs_raid_bio *rbio); diff --git a/fs/btrfs/reada.c b/fs/btrfs/reada.c index 8d36fb457594..e88bca87f5d2 100644 --- a/fs/btrfs/reada.c +++ b/fs/btrfs/reada.c @@ -303,14 +303,13 @@ static struct reada_zone *reada_find_zone(struct btrfs_fs_info *fs_info, return zone; } -static struct reada_extent *reada_find_extent(struct btrfs_root *root, +static struct reada_extent *reada_find_extent(struct btrfs_fs_info *fs_info, u64 logical, struct btrfs_key *top) { int ret; struct reada_extent *re = NULL; struct reada_extent *re_exist = NULL; - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_bio *bbio = NULL; struct btrfs_device *dev; struct btrfs_device *prev_dev; @@ -549,7 +548,7 @@ static int reada_add_block(struct reada_control *rc, u64 logical, struct reada_extctl *rec; /* takes one ref */ - re = reada_find_extent(fs_info->tree_root, logical, top); + re = reada_find_extent(fs_info, logical, top); if (!re) return -1; @@ -705,8 +704,7 @@ static int reada_start_machine_dev(struct btrfs_fs_info *fs_info, logical = re->logical; atomic_inc(&dev->reada_in_flight); - ret = reada_tree_block_flagged(fs_info->extent_root, logical, - mirror_num, &eb); + ret = reada_tree_block_flagged(fs_info, logical, mirror_num, &eb); if (ret) __readahead_hook(fs_info, re, NULL, ret); else if (eb) diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c index bc6ccd3a6051..341a099c4967 100644 --- a/fs/btrfs/relocation.c +++ b/fs/btrfs/relocation.c @@ -1734,7 +1734,7 @@ int replace_file_extents(struct btrfs_trans_handle *trans, dirty = 1; key.offset -= btrfs_file_extent_offset(leaf, fi); - ret = btrfs_inc_extent_ref(trans, root, new_bytenr, + ret = btrfs_inc_extent_ref(trans, fs_info, new_bytenr, num_bytes, parent, btrfs_header_owner(leaf), key.objectid, key.offset); @@ -1743,7 +1743,7 @@ int replace_file_extents(struct btrfs_trans_handle *trans, break; } - ret = btrfs_free_extent(trans, root, bytenr, num_bytes, + ret = btrfs_free_extent(trans, fs_info, bytenr, num_bytes, parent, btrfs_header_owner(leaf), key.objectid, key.offset); if (ret) { @@ -1868,7 +1868,7 @@ again: break; } - eb = read_tree_block(dest, old_bytenr, old_ptr_gen); + eb = read_tree_block(fs_info, old_bytenr, old_ptr_gen); if (IS_ERR(eb)) { ret = PTR_ERR(eb); break; @@ -1944,21 +1944,21 @@ again: path->slots[level], old_ptr_gen); btrfs_mark_buffer_dirty(path->nodes[level]); - ret = btrfs_inc_extent_ref(trans, src, old_bytenr, blocksize, - path->nodes[level]->start, + ret = btrfs_inc_extent_ref(trans, fs_info, old_bytenr, + blocksize, path->nodes[level]->start, src->root_key.objectid, level - 1, 0); BUG_ON(ret); - ret = btrfs_inc_extent_ref(trans, dest, new_bytenr, blocksize, - 0, dest->root_key.objectid, level - 1, - 0); + ret = btrfs_inc_extent_ref(trans, fs_info, new_bytenr, + blocksize, 0, dest->root_key.objectid, + level - 1, 0); BUG_ON(ret); - ret = btrfs_free_extent(trans, src, new_bytenr, blocksize, + ret = btrfs_free_extent(trans, fs_info, new_bytenr, blocksize, path->nodes[level]->start, src->root_key.objectid, level - 1, 0); BUG_ON(ret); - ret = btrfs_free_extent(trans, dest, old_bytenr, blocksize, + ret = btrfs_free_extent(trans, fs_info, old_bytenr, blocksize, 0, dest->root_key.objectid, level - 1, 0); BUG_ON(ret); @@ -2017,6 +2017,7 @@ static noinline_for_stack int walk_down_reloc_tree(struct btrfs_root *root, struct btrfs_path *path, int *level) { + struct btrfs_fs_info *fs_info = root->fs_info; struct extent_buffer *eb = NULL; int i; u64 bytenr; @@ -2047,7 +2048,7 @@ int walk_down_reloc_tree(struct btrfs_root *root, struct btrfs_path *path, } bytenr = btrfs_node_blockptr(eb, path->slots[i]); - eb = read_tree_block(root, bytenr, ptr_gen); + eb = read_tree_block(fs_info, bytenr, ptr_gen); if (IS_ERR(eb)) { return PTR_ERR(eb); } else if (!extent_buffer_uptodate(eb)) { @@ -2272,7 +2273,7 @@ static noinline_for_stack int merge_reloc_root(struct reloc_control *rc, btrfs_end_transaction_throttle(trans, root); trans = NULL; - btrfs_btree_balance_dirty(root); + btrfs_btree_balance_dirty(fs_info); if (replaced && rc->stage == UPDATE_DATA_PTRS) invalidate_extent_cache(root, &key, &next_key); @@ -2302,7 +2303,7 @@ out: if (trans) btrfs_end_transaction_throttle(trans, root); - btrfs_btree_balance_dirty(root); + btrfs_btree_balance_dirty(fs_info); if (replaced && rc->stage == UPDATE_DATA_PTRS) invalidate_extent_cache(root, &key, &next_key); @@ -2338,16 +2339,16 @@ again: trans = btrfs_join_transaction(rc->extent_root); if (IS_ERR(trans)) { if (!err) - btrfs_block_rsv_release(rc->extent_root, - rc->block_rsv, num_bytes); + btrfs_block_rsv_release(fs_info, rc->block_rsv, + num_bytes); return PTR_ERR(trans); } if (!err) { if (num_bytes != rc->merging_rsv_size) { btrfs_end_transaction(trans, rc->extent_root); - btrfs_block_rsv_release(rc->extent_root, - rc->block_rsv, num_bytes); + btrfs_block_rsv_release(fs_info, rc->block_rsv, + num_bytes); goto again; } } @@ -2698,6 +2699,7 @@ static int do_relocation(struct btrfs_trans_handle *trans, struct btrfs_key *key, struct btrfs_path *path, int lowest) { + struct btrfs_fs_info *fs_info = rc->extent_root->fs_info; struct backref_node *upper; struct backref_edge *edge; struct backref_edge *edges[BTRFS_MAX_LEVEL - 1]; @@ -2780,7 +2782,7 @@ static int do_relocation(struct btrfs_trans_handle *trans, blocksize = root->fs_info->nodesize; generation = btrfs_node_ptr_generation(upper->eb, slot); - eb = read_tree_block(root, bytenr, generation); + eb = read_tree_block(fs_info, bytenr, generation); if (IS_ERR(eb)) { err = PTR_ERR(eb); goto next; @@ -2809,7 +2811,7 @@ static int do_relocation(struct btrfs_trans_handle *trans, trans->transid); btrfs_mark_buffer_dirty(upper->eb); - ret = btrfs_inc_extent_ref(trans, root, + ret = btrfs_inc_extent_ref(trans, root->fs_info, node->eb->start, blocksize, upper->eb->start, btrfs_header_owner(upper->eb), @@ -2939,14 +2941,13 @@ static int tree_block_processed(u64 bytenr, struct reloc_control *rc) return 0; } -static int get_tree_block_key(struct reloc_control *rc, +static int get_tree_block_key(struct btrfs_fs_info *fs_info, struct tree_block *block) { struct extent_buffer *eb; BUG_ON(block->key_ready); - eb = read_tree_block(rc->extent_root, block->bytenr, - block->key.offset); + eb = read_tree_block(fs_info, block->bytenr, block->key.offset); if (IS_ERR(eb)) { return PTR_ERR(eb); } else if (!extent_buffer_uptodate(eb)) { @@ -3025,6 +3026,7 @@ static noinline_for_stack int relocate_tree_blocks(struct btrfs_trans_handle *trans, struct reloc_control *rc, struct rb_root *blocks) { + struct btrfs_fs_info *fs_info = rc->extent_root->fs_info; struct backref_node *node; struct btrfs_path *path; struct tree_block *block; @@ -3042,7 +3044,7 @@ int relocate_tree_blocks(struct btrfs_trans_handle *trans, while (rb_node) { block = rb_entry(rb_node, struct tree_block, rb_node); if (!block->key_ready) - readahead_tree_block(rc->extent_root, block->bytenr); + readahead_tree_block(fs_info, block->bytenr); rb_node = rb_next(rb_node); } @@ -3050,7 +3052,7 @@ int relocate_tree_blocks(struct btrfs_trans_handle *trans, while (rb_node) { block = rb_entry(rb_node, struct tree_block, rb_node); if (!block->key_ready) { - err = get_tree_block_key(rc, block); + err = get_tree_block_key(fs_info, block); if (err) goto out_free_path; } @@ -3178,6 +3180,7 @@ int setup_extent_mapping(struct inode *inode, u64 start, u64 end, static int relocate_file_extent_cluster(struct inode *inode, struct file_extent_cluster *cluster) { + struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); u64 page_start; u64 page_end; u64 offset = BTRFS_I(inode)->index_cnt; @@ -3273,7 +3276,7 @@ static int relocate_file_extent_cluster(struct inode *inode, index++; balance_dirty_pages_ratelimited(inode->i_mapping); - btrfs_throttle(BTRFS_I(inode)->root); + btrfs_throttle(fs_info); } WARN_ON(nr != cluster->nr); out: @@ -3502,7 +3505,7 @@ static int block_use_full_backref(struct reloc_control *rc, btrfs_header_backref_rev(eb) < BTRFS_MIXED_BACKREF_REV) return 1; - ret = btrfs_lookup_extent_info(NULL, rc->extent_root, + ret = btrfs_lookup_extent_info(NULL, rc->extent_root->fs_info, eb->start, btrfs_header_level(eb), 1, NULL, &flags); BUG_ON(ret); @@ -3539,7 +3542,7 @@ static int delete_block_group_cache(struct btrfs_fs_info *fs_info, } truncate: - ret = btrfs_check_trunc_cache_free_space(root, + ret = btrfs_check_trunc_cache_free_space(fs_info, &fs_info->global_block_rsv); if (ret) goto out; @@ -3553,7 +3556,7 @@ truncate: ret = btrfs_truncate_free_space_cache(root, trans, block_group, inode); btrfs_end_transaction(trans, root); - btrfs_btree_balance_dirty(root); + btrfs_btree_balance_dirty(fs_info); out: iput(inode); return ret; @@ -3951,7 +3954,7 @@ int prepare_to_relocate(struct reloc_control *rc) struct btrfs_trans_handle *trans; int ret; - rc->block_rsv = btrfs_alloc_block_rsv(rc->extent_root, + rc->block_rsv = btrfs_alloc_block_rsv(rc->extent_root->fs_info, BTRFS_BLOCK_RSV_TEMP); if (!rc->block_rsv) return -ENOMEM; @@ -3989,6 +3992,7 @@ int prepare_to_relocate(struct reloc_control *rc) static noinline_for_stack int relocate_block_group(struct reloc_control *rc) { + struct btrfs_fs_info *fs_info = rc->extent_root->fs_info; struct rb_root blocks = RB_ROOT; struct btrfs_key key; struct btrfs_trans_handle *trans = NULL; @@ -4118,7 +4122,7 @@ restart: } btrfs_end_transaction_throttle(trans, rc->extent_root); - btrfs_btree_balance_dirty(rc->extent_root); + btrfs_btree_balance_dirty(fs_info); trans = NULL; if (rc->stage == MOVE_DATA_EXTENTS && @@ -4133,7 +4137,7 @@ restart: } } if (trans && progress && err == -ENOSPC) { - ret = btrfs_force_chunk_alloc(trans, rc->extent_root, + ret = btrfs_force_chunk_alloc(trans, fs_info, rc->block_group->flags); if (ret == 1) { err = 0; @@ -4147,7 +4151,7 @@ restart: if (trans) { btrfs_end_transaction_throttle(trans, rc->extent_root); - btrfs_btree_balance_dirty(rc->extent_root); + btrfs_btree_balance_dirty(fs_info); } if (!err) { @@ -4161,7 +4165,7 @@ restart: set_reloc_control(rc); backref_cache_cleanup(&rc->backref_cache); - btrfs_block_rsv_release(rc->extent_root, rc->block_rsv, (u64)-1); + btrfs_block_rsv_release(fs_info, rc->block_rsv, (u64)-1); err = prepare_to_merge(rc, err); @@ -4169,7 +4173,7 @@ restart: rc->merge_reloc_tree = 0; unset_reloc_control(rc); - btrfs_block_rsv_release(rc->extent_root, rc->block_rsv, (u64)-1); + btrfs_block_rsv_release(fs_info, rc->block_rsv, (u64)-1); /* get rid of pinned extents */ trans = btrfs_join_transaction(rc->extent_root); @@ -4179,7 +4183,7 @@ restart: } btrfs_commit_transaction(trans, rc->extent_root); out_free: - btrfs_free_block_rsv(rc->extent_root, rc->block_rsv); + btrfs_free_block_rsv(fs_info, rc->block_rsv); btrfs_free_path(path); return err; } @@ -4254,7 +4258,7 @@ struct inode *create_reloc_inode(struct btrfs_fs_info *fs_info, err = btrfs_orphan_add(trans, inode); out: btrfs_end_transaction(trans, root); - btrfs_btree_balance_dirty(root); + btrfs_btree_balance_dirty(fs_info); if (err) { if (inode) iput(inode); @@ -4414,7 +4418,7 @@ int btrfs_relocate_block_group(struct btrfs_fs_info *fs_info, u64 group_start) WARN_ON(btrfs_block_group_used(&rc->block_group->item) > 0); out: if (err && rw) - btrfs_dec_block_group_ro(extent_root, rc->block_group); + btrfs_dec_block_group_ro(rc->block_group); iput(rc->data_inode); btrfs_put_block_group(rc->block_group); kfree(rc); diff --git a/fs/btrfs/root-tree.c b/fs/btrfs/root-tree.c index f7f6cb7d9a62..87728ff39622 100644 --- a/fs/btrfs/root-tree.c +++ b/fs/btrfs/root-tree.c @@ -151,7 +151,7 @@ int btrfs_update_root(struct btrfs_trans_handle *trans, struct btrfs_root } if (ret != 0) { - btrfs_print_leaf(root, path->nodes[0]); + btrfs_print_leaf(fs_info, path->nodes[0]); btrfs_crit(fs_info, "unable to update root key %llu %u %llu", key->objectid, key->type, key->offset); BUG_ON(1); diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index 8aef00b0ff84..09fb2fb0848e 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -1450,7 +1450,7 @@ static int scrub_submit_raid56_bio_wait(struct btrfs_fs_info *fs_info, bio->bi_private = &done; bio->bi_end_io = scrub_bio_wait_endio; - ret = raid56_parity_recover(fs_info->fs_root, bio, page->recover->bbio, + ret = raid56_parity_recover(fs_info, bio, page->recover->bbio, page->recover->map_length, page->mirror_num, 0); if (ret) @@ -2181,7 +2181,6 @@ static void scrub_missing_raid56_pages(struct scrub_block *sblock) { struct scrub_ctx *sctx = sblock->sctx; struct btrfs_fs_info *fs_info = sctx->fs_info; - struct btrfs_root *dev_root = fs_info->dev_root; u64 length = sblock->page_count * PAGE_SIZE; u64 logical = sblock->pagev[0]->logical; struct btrfs_bio *bbio = NULL; @@ -2214,7 +2213,7 @@ static void scrub_missing_raid56_pages(struct scrub_block *sblock) bio->bi_private = sblock; bio->bi_end_io = scrub_missing_raid56_end_io; - rbio = raid56_alloc_missing_rbio(dev_root, bio, bbio, length); + rbio = raid56_alloc_missing_rbio(fs_info, bio, bbio, length); if (!rbio) goto rbio_out; @@ -2766,7 +2765,6 @@ static void scrub_parity_check_and_repair(struct scrub_parity *sparity) { struct scrub_ctx *sctx = sparity->sctx; struct btrfs_fs_info *fs_info = sctx->fs_info; - struct btrfs_root *dev_root = fs_info->dev_root; struct bio *bio; struct btrfs_raid_bio *rbio; struct scrub_page *spage; @@ -2792,7 +2790,7 @@ static void scrub_parity_check_and_repair(struct scrub_parity *sparity) bio->bi_private = sparity; bio->bi_end_io = scrub_parity_bio_endio; - rbio = raid56_parity_alloc_scrub_rbio(dev_root, bio, bbio, + rbio = raid56_parity_alloc_scrub_rbio(fs_info, bio, bbio, length, sparity->scrub_dev, sparity->dbitmap, sparity->nsectors); @@ -3694,7 +3692,7 @@ int scrub_enumerate_chunks(struct scrub_ctx *sctx, btrfs_dev_replace_unlock(&fs_info->dev_replace, 1); if (ro_set) - btrfs_dec_block_group_ro(root, cache); + btrfs_dec_block_group_ro(cache); /* * We might have prevented the cleaner kthread from deleting @@ -3980,10 +3978,8 @@ int btrfs_scrub_dev(struct btrfs_fs_info *fs_info, u64 devid, u64 start, return ret; } -void btrfs_scrub_pause(struct btrfs_root *root) +void btrfs_scrub_pause(struct btrfs_fs_info *fs_info) { - struct btrfs_fs_info *fs_info = root->fs_info; - mutex_lock(&fs_info->scrub_lock); atomic_inc(&fs_info->scrub_pause_req); while (atomic_read(&fs_info->scrubs_paused) != @@ -3997,10 +3993,8 @@ void btrfs_scrub_pause(struct btrfs_root *root) mutex_unlock(&fs_info->scrub_lock); } -void btrfs_scrub_continue(struct btrfs_root *root) +void btrfs_scrub_continue(struct btrfs_fs_info *fs_info) { - struct btrfs_fs_info *fs_info = root->fs_info; - atomic_dec(&fs_info->scrub_pause_req); wake_up(&fs_info->scrub_pause_wait); } @@ -4049,10 +4043,9 @@ int btrfs_scrub_cancel_dev(struct btrfs_fs_info *fs_info, return 0; } -int btrfs_scrub_progress(struct btrfs_root *root, u64 devid, +int btrfs_scrub_progress(struct btrfs_fs_info *fs_info, u64 devid, struct btrfs_scrub_progress *progress) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_device *dev; struct scrub_ctx *sctx = NULL; diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index 399b36b2a182..1df3b8798323 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -3435,6 +3435,7 @@ static int wait_for_dest_dir_move(struct send_ctx *sctx, struct recorded_ref *parent_ref, const bool is_orphan) { + struct btrfs_fs_info *fs_info = sctx->parent_root->fs_info; struct btrfs_path *path; struct btrfs_key key; struct btrfs_key di_key; @@ -3463,8 +3464,8 @@ static int wait_for_dest_dir_move(struct send_ctx *sctx, goto out; } - di = btrfs_match_dir_item_name(sctx->parent_root, path, - parent_ref->name, parent_ref->name_len); + di = btrfs_match_dir_item_name(fs_info, path, parent_ref->name, + parent_ref->name_len); if (!di) { ret = 0; goto out; diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index fa2f33fe8c6c..3021b0f32e53 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -396,10 +396,9 @@ static const match_table_t tokens = { * reading in a new superblock is parsed here. * XXX JDM: This needs to be cleaned up for remount. */ -int btrfs_parse_options(struct btrfs_root *root, char *options, +int btrfs_parse_options(struct btrfs_fs_info *info, char *options, unsigned long new_flags) { - struct btrfs_fs_info *info = root->fs_info; substring_t args[MAX_OPT_ARGS]; char *p, *num, *orig = NULL; u64 cache_gen; @@ -1733,7 +1732,7 @@ static int btrfs_remount(struct super_block *sb, int *flags, char *data) } } - ret = btrfs_parse_options(root, data, *flags); + ret = btrfs_parse_options(fs_info, data, *flags); if (ret) { ret = -EINVAL; goto restore; diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 56eeecf4ecde..8667a991888f 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -184,10 +184,10 @@ static inline int extwriter_counter_read(struct btrfs_transaction *trans) /* * either allocate a new transaction or hop into the existing one */ -static noinline int join_transaction(struct btrfs_root *root, unsigned int type) +static noinline int join_transaction(struct btrfs_fs_info *fs_info, + unsigned int type) { struct btrfs_transaction *cur_trans; - struct btrfs_fs_info *fs_info = root->fs_info; spin_lock(&fs_info->trans_lock); loop: @@ -425,9 +425,8 @@ static inline int is_transaction_blocked(struct btrfs_transaction *trans) * when this is done, it is safe to start a new transaction, but the current * transaction might not be fully on disk. */ -static void wait_current_trans(struct btrfs_root *root) +static void wait_current_trans(struct btrfs_fs_info *fs_info) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_transaction *cur_trans; spin_lock(&fs_info->trans_lock); @@ -445,10 +444,8 @@ static void wait_current_trans(struct btrfs_root *root) } } -static int may_wait_transaction(struct btrfs_root *root, int type) +static int may_wait_transaction(struct btrfs_fs_info *fs_info, int type) { - struct btrfs_fs_info *fs_info = root->fs_info; - if (test_bit(BTRFS_FS_LOG_RECOVERING, &fs_info->flags)) return 0; @@ -548,13 +545,13 @@ again: if (type & __TRANS_FREEZABLE) sb_start_intwrite(fs_info->sb); - if (may_wait_transaction(root, type)) - wait_current_trans(root); + if (may_wait_transaction(fs_info, type)) + wait_current_trans(fs_info); do { - ret = join_transaction(root, type); + ret = join_transaction(fs_info, type); if (ret == -EBUSY) { - wait_current_trans(root); + wait_current_trans(fs_info); if (unlikely(type == TRANS_ATTACH)) ret = -ENOENT; } @@ -578,7 +575,7 @@ again: smp_mb(); if (cur_trans->state >= TRANS_STATE_BLOCKED && - may_wait_transaction(root, type)) { + may_wait_transaction(fs_info, type)) { current->journal_info = h; btrfs_commit_transaction(h, root); goto again; @@ -605,7 +602,7 @@ join_fail: kmem_cache_free(btrfs_trans_handle_cachep, h); alloc_fail: if (num_bytes) - btrfs_block_rsv_release(root, &fs_info->trans_block_rsv, + btrfs_block_rsv_release(fs_info, &fs_info->trans_block_rsv, num_bytes); reserve_fail: btrfs_qgroup_free_meta(root, qgroup_reserved); @@ -712,21 +709,19 @@ btrfs_attach_transaction_barrier(struct btrfs_root *root) trans = start_transaction(root, 0, TRANS_ATTACH, BTRFS_RESERVE_NO_FLUSH); if (IS_ERR(trans) && PTR_ERR(trans) == -ENOENT) - btrfs_wait_for_commit(root, 0); + btrfs_wait_for_commit(root->fs_info, 0); return trans; } /* wait for a transaction commit to be fully complete */ -static noinline void wait_for_commit(struct btrfs_root *root, - struct btrfs_transaction *commit) +static noinline void wait_for_commit(struct btrfs_transaction *commit) { wait_event(commit->commit_wait, commit->state == TRANS_STATE_COMPLETED); } -int btrfs_wait_for_commit(struct btrfs_root *root, u64 transid) +int btrfs_wait_for_commit(struct btrfs_fs_info *fs_info, u64 transid) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_transaction *cur_trans = NULL, *t; int ret = 0; @@ -777,35 +772,33 @@ int btrfs_wait_for_commit(struct btrfs_root *root, u64 transid) goto out; /* nothing committing|committed */ } - wait_for_commit(root, cur_trans); + wait_for_commit(cur_trans); btrfs_put_transaction(cur_trans); out: return ret; } -void btrfs_throttle(struct btrfs_root *root) +void btrfs_throttle(struct btrfs_fs_info *fs_info) { - struct btrfs_fs_info *fs_info = root->fs_info; - if (!atomic_read(&fs_info->open_ioctl_trans)) - wait_current_trans(root); + wait_current_trans(fs_info); } -static int should_end_transaction(struct btrfs_trans_handle *trans, - struct btrfs_root *root) +static int should_end_transaction(struct btrfs_trans_handle *trans) { - struct btrfs_fs_info *fs_info = root->fs_info; + struct btrfs_fs_info *fs_info = trans->fs_info; if (fs_info->global_block_rsv.space_info->full && - btrfs_check_space_for_delayed_refs(trans, root)) + btrfs_check_space_for_delayed_refs(trans, fs_info)) return 1; - return !!btrfs_block_rsv_check(root, &fs_info->global_block_rsv, 5); + return !!btrfs_block_rsv_check(&fs_info->global_block_rsv, 5); } int btrfs_should_end_transaction(struct btrfs_trans_handle *trans, struct btrfs_root *root) { + struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_transaction *cur_trans = trans->transaction; int updates; int err; @@ -818,12 +811,12 @@ int btrfs_should_end_transaction(struct btrfs_trans_handle *trans, updates = trans->delayed_ref_updates; trans->delayed_ref_updates = 0; if (updates) { - err = btrfs_run_delayed_refs(trans, root, updates * 2); + err = btrfs_run_delayed_refs(trans, fs_info, updates * 2); if (err) /* Error code will also eval true */ return err; } - return should_end_transaction(trans, root); + return should_end_transaction(trans); } static int __btrfs_end_transaction(struct btrfs_trans_handle *trans, @@ -843,16 +836,16 @@ static int __btrfs_end_transaction(struct btrfs_trans_handle *trans, return 0; } - btrfs_trans_release_metadata(trans, root); + btrfs_trans_release_metadata(trans, info); trans->block_rsv = NULL; if (!list_empty(&trans->new_bgs)) - btrfs_create_pending_block_groups(trans, root); + btrfs_create_pending_block_groups(trans, info); trans->delayed_ref_updates = 0; if (!trans->sync) { must_run_delayed_refs = - btrfs_should_throttle_delayed_refs(trans, root); + btrfs_should_throttle_delayed_refs(trans, info); cur = max_t(unsigned long, cur, 32); /* @@ -864,16 +857,16 @@ static int __btrfs_end_transaction(struct btrfs_trans_handle *trans, must_run_delayed_refs = 2; } - btrfs_trans_release_metadata(trans, root); + btrfs_trans_release_metadata(trans, info); trans->block_rsv = NULL; if (!list_empty(&trans->new_bgs)) - btrfs_create_pending_block_groups(trans, root); + btrfs_create_pending_block_groups(trans, info); btrfs_trans_release_chunk_metadata(trans); if (lock && !atomic_read(&info->open_ioctl_trans) && - should_end_transaction(trans, root) && + should_end_transaction(trans) && ACCESS_ONCE(cur_trans->state) == TRANS_STATE_RUNNING) { spin_lock(&info->trans_lock); if (cur_trans->state == TRANS_STATE_RUNNING) @@ -908,7 +901,7 @@ static int __btrfs_end_transaction(struct btrfs_trans_handle *trans, current->journal_info = NULL; if (throttle) - btrfs_run_delayed_iputs(root); + btrfs_run_delayed_iputs(info); if (trans->aborted || test_bit(BTRFS_FS_STATE_ERROR, &info->fs_state)) { @@ -919,7 +912,7 @@ static int __btrfs_end_transaction(struct btrfs_trans_handle *trans, kmem_cache_free(btrfs_trans_handle_cachep, trans); if (must_run_delayed_refs) { - btrfs_async_run_delayed_refs(root, cur, transid, + btrfs_async_run_delayed_refs(info, cur, transid, must_run_delayed_refs == 1); } return err; @@ -942,12 +935,11 @@ int btrfs_end_transaction_throttle(struct btrfs_trans_handle *trans, * them in one of two extent_io trees. This is used to make sure all of * those extents are sent to disk but does not wait on them */ -int btrfs_write_marked_extents(struct btrfs_root *root, +int btrfs_write_marked_extents(struct btrfs_fs_info *fs_info, struct extent_io_tree *dirty_pages, int mark) { int err = 0; int werr = 0; - struct btrfs_fs_info *fs_info = root->fs_info; struct address_space *mapping = fs_info->btree_inode->i_mapping; struct extent_state *cached_state = NULL; u64 start = 0; @@ -1068,7 +1060,7 @@ static int btrfs_write_and_wait_marked_extents(struct btrfs_root *root, struct blk_plug plug; blk_start_plug(&plug); - ret = btrfs_write_marked_extents(root, dirty_pages, mark); + ret = btrfs_write_marked_extents(root->fs_info, dirty_pages, mark); blk_finish_plug(&plug); ret2 = btrfs_wait_marked_extents(root, dirty_pages, mark); @@ -1080,7 +1072,7 @@ static int btrfs_write_and_wait_marked_extents(struct btrfs_root *root, } static int btrfs_write_and_wait_transaction(struct btrfs_trans_handle *trans, - struct btrfs_root *root) + struct btrfs_root *root) { int ret; @@ -1140,9 +1132,8 @@ static int update_cowonly_root(struct btrfs_trans_handle *trans, * to clean up the delayed refs. */ static noinline int commit_cowonly_roots(struct btrfs_trans_handle *trans, - struct btrfs_root *root) + struct btrfs_fs_info *fs_info) { - struct btrfs_fs_info *fs_info = root->fs_info; struct list_head *dirty_bgs = &trans->transaction->dirty_bgs; struct list_head *io_bgs = &trans->transaction->io_bgs; struct list_head *next; @@ -1158,7 +1149,7 @@ static noinline int commit_cowonly_roots(struct btrfs_trans_handle *trans, if (ret) return ret; - ret = btrfs_run_delayed_refs(trans, root, (unsigned long)-1); + ret = btrfs_run_delayed_refs(trans, fs_info, (unsigned long)-1); if (ret) return ret; @@ -1172,16 +1163,17 @@ static noinline int commit_cowonly_roots(struct btrfs_trans_handle *trans, if (ret) return ret; - ret = btrfs_setup_space_cache(trans, root); + ret = btrfs_setup_space_cache(trans, fs_info); if (ret) return ret; /* run_qgroups might have added some more refs */ - ret = btrfs_run_delayed_refs(trans, root, (unsigned long)-1); + ret = btrfs_run_delayed_refs(trans, fs_info, (unsigned long)-1); if (ret) return ret; again: while (!list_empty(&fs_info->dirty_cowonly_roots)) { + struct btrfs_root *root; next = fs_info->dirty_cowonly_roots.next; list_del_init(next); root = list_entry(next, struct btrfs_root, dirty_list); @@ -1193,16 +1185,16 @@ again: ret = update_cowonly_root(trans, root); if (ret) return ret; - ret = btrfs_run_delayed_refs(trans, root, (unsigned long)-1); + ret = btrfs_run_delayed_refs(trans, fs_info, (unsigned long)-1); if (ret) return ret; } while (!list_empty(dirty_bgs) || !list_empty(io_bgs)) { - ret = btrfs_write_dirty_block_groups(trans, root); + ret = btrfs_write_dirty_block_groups(trans, fs_info); if (ret) return ret; - ret = btrfs_run_delayed_refs(trans, root, (unsigned long)-1); + ret = btrfs_run_delayed_refs(trans, fs_info, (unsigned long)-1); if (ret) return ret; } @@ -1309,7 +1301,7 @@ int btrfs_defrag_root(struct btrfs_root *root) ret = btrfs_defrag_leaves(trans, root); btrfs_end_transaction(trans, root); - btrfs_btree_balance_dirty(info->tree_root); + btrfs_btree_balance_dirty(info); cond_resched(); if (btrfs_fs_closing(info) || ret != -EAGAIN) @@ -1388,7 +1380,7 @@ static int qgroup_account_snapshot(struct btrfs_trans_handle *trans, * like chunk and root tree, as they won't affect qgroup. * And we don't write super to avoid half committed status. */ - ret = commit_cowonly_roots(trans, src); + ret = commit_cowonly_roots(trans, fs_info); if (ret) goto out; switch_commit_roots(trans->transaction, fs_info); @@ -1515,7 +1507,7 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans, * otherwise we corrupt the FS during * snapshot */ - ret = btrfs_run_delayed_items(trans, root); + ret = btrfs_run_delayed_items(trans, fs_info); if (ret) { /* Transaction aborted */ btrfs_abort_transaction(trans, ret); goto fail; @@ -1611,7 +1603,7 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans, goto fail; } - ret = btrfs_run_delayed_refs(trans, root, (unsigned long)-1); + ret = btrfs_run_delayed_refs(trans, fs_info, (unsigned long)-1); if (ret) { btrfs_abort_transaction(trans, ret); goto fail; @@ -1665,7 +1657,7 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans, } } - ret = btrfs_run_delayed_refs(trans, root, (unsigned long)-1); + ret = btrfs_run_delayed_refs(trans, fs_info, (unsigned long)-1); if (ret) { btrfs_abort_transaction(trans, ret); goto fail; @@ -1706,9 +1698,8 @@ static noinline int create_pending_snapshots(struct btrfs_trans_handle *trans, return ret; } -static void update_super_roots(struct btrfs_root *root) +static void update_super_roots(struct btrfs_fs_info *fs_info) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_root_item *root_item; struct btrfs_super_block *super; @@ -1759,24 +1750,23 @@ int btrfs_transaction_blocked(struct btrfs_fs_info *info) * wait for the current transaction commit to start and block subsequent * transaction joins */ -static void wait_current_trans_commit_start(struct btrfs_root *root, +static void wait_current_trans_commit_start(struct btrfs_fs_info *fs_info, struct btrfs_transaction *trans) { - wait_event(root->fs_info->transaction_blocked_wait, - trans->state >= TRANS_STATE_COMMIT_START || - trans->aborted); + wait_event(fs_info->transaction_blocked_wait, + trans->state >= TRANS_STATE_COMMIT_START || trans->aborted); } /* * wait for the current transaction to start and then become unblocked. * caller holds ref. */ -static void wait_current_trans_commit_start_and_unblock(struct btrfs_root *root, - struct btrfs_transaction *trans) +static void wait_current_trans_commit_start_and_unblock( + struct btrfs_fs_info *fs_info, + struct btrfs_transaction *trans) { - wait_event(root->fs_info->transaction_wait, - trans->state >= TRANS_STATE_UNBLOCKED || - trans->aborted); + wait_event(fs_info->transaction_wait, + trans->state >= TRANS_STATE_UNBLOCKED || trans->aborted); } /* @@ -1845,9 +1835,9 @@ int btrfs_commit_transaction_async(struct btrfs_trans_handle *trans, /* wait for transaction to start and unblock */ if (wait_for_unblock) - wait_current_trans_commit_start_and_unblock(root, cur_trans); + wait_current_trans_commit_start_and_unblock(fs_info, cur_trans); else - wait_current_trans_commit_start(root, cur_trans); + wait_current_trans_commit_start(fs_info, cur_trans); if (current->journal_info == trans) current->journal_info = NULL; @@ -1888,7 +1878,7 @@ static void cleanup_transaction(struct btrfs_trans_handle *trans, } spin_unlock(&fs_info->trans_lock); - btrfs_cleanup_one_transaction(trans->transaction, root); + btrfs_cleanup_one_transaction(trans->transaction, fs_info); spin_lock(&fs_info->trans_lock); if (cur_trans == fs_info->running_transaction) @@ -1947,13 +1937,13 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, /* make a pass through all the delayed refs we have so far * any runnings procs may add more while we are here */ - ret = btrfs_run_delayed_refs(trans, root, 0); + ret = btrfs_run_delayed_refs(trans, fs_info, 0); if (ret) { btrfs_end_transaction(trans, root); return ret; } - btrfs_trans_release_metadata(trans, root); + btrfs_trans_release_metadata(trans, fs_info); trans->block_rsv = NULL; cur_trans = trans->transaction; @@ -1966,9 +1956,9 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, smp_wmb(); if (!list_empty(&trans->new_bgs)) - btrfs_create_pending_block_groups(trans, root); + btrfs_create_pending_block_groups(trans, fs_info); - ret = btrfs_run_delayed_refs(trans, root, 0); + ret = btrfs_run_delayed_refs(trans, fs_info, 0); if (ret) { btrfs_end_transaction(trans, root); return ret; @@ -1997,7 +1987,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, mutex_unlock(&fs_info->ro_block_group_mutex); if (run_it) - ret = btrfs_start_dirty_block_groups(trans, root); + ret = btrfs_start_dirty_block_groups(trans, fs_info); } if (ret) { btrfs_end_transaction(trans, root); @@ -2010,7 +2000,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, atomic_inc(&cur_trans->use_count); ret = btrfs_end_transaction(trans, root); - wait_for_commit(root, cur_trans); + wait_for_commit(cur_trans); if (unlikely(cur_trans->aborted)) ret = cur_trans->aborted; @@ -2030,7 +2020,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, atomic_inc(&prev_trans->use_count); spin_unlock(&fs_info->trans_lock); - wait_for_commit(root, prev_trans); + wait_for_commit(prev_trans); ret = prev_trans->aborted; btrfs_put_transaction(prev_trans); @@ -2049,7 +2039,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, if (ret) goto cleanup_transaction; - ret = btrfs_run_delayed_items(trans, root); + ret = btrfs_run_delayed_items(trans, fs_info); if (ret) goto cleanup_transaction; @@ -2057,7 +2047,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, extwriter_counter_read(cur_trans) == 0); /* some pending stuffs might be added after the previous flush. */ - ret = btrfs_run_delayed_items(trans, root); + ret = btrfs_run_delayed_items(trans, fs_info); if (ret) goto cleanup_transaction; @@ -2065,7 +2055,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, btrfs_wait_pending_ordered(cur_trans); - btrfs_scrub_pause(root); + btrfs_scrub_pause(fs_info); /* * Ok now we need to make sure to block out any other joins while we * commit the transaction. We could have started a join before setting @@ -2110,13 +2100,13 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, * because all the tree which are snapshoted will be forced to COW * the nodes and leaves. */ - ret = btrfs_run_delayed_items(trans, root); + ret = btrfs_run_delayed_items(trans, fs_info); if (ret) { mutex_unlock(&fs_info->reloc_mutex); goto scrub_continue; } - ret = btrfs_run_delayed_refs(trans, root, (unsigned long)-1); + ret = btrfs_run_delayed_refs(trans, fs_info, (unsigned long)-1); if (ret) { mutex_unlock(&fs_info->reloc_mutex); goto scrub_continue; @@ -2181,7 +2171,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, goto scrub_continue; } - ret = commit_cowonly_roots(trans, root); + ret = commit_cowonly_roots(trans, fs_info); if (ret) { mutex_unlock(&fs_info->tree_log_mutex); mutex_unlock(&fs_info->reloc_mutex); @@ -2199,7 +2189,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, goto scrub_continue; } - btrfs_prepare_extent_commit(trans, root); + btrfs_prepare_extent_commit(trans, fs_info); cur_trans = fs_info->running_transaction; @@ -2218,7 +2208,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, assert_qgroups_uptodate(trans); ASSERT(list_empty(&cur_trans->dirty_bgs)); ASSERT(list_empty(&cur_trans->io_bgs)); - update_super_roots(root); + update_super_roots(fs_info); btrfs_set_super_log_root(fs_info->super_copy, 0); btrfs_set_super_log_root_level(fs_info->super_copy, 0); @@ -2226,7 +2216,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, sizeof(*fs_info->super_copy)); btrfs_update_commit_device_size(fs_info); - btrfs_update_commit_device_bytes_used(root, cur_trans); + btrfs_update_commit_device_bytes_used(fs_info, cur_trans); clear_bit(BTRFS_FS_LOG1_ERR, &fs_info->flags); clear_bit(BTRFS_FS_LOG2_ERR, &fs_info->flags); @@ -2249,7 +2239,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, goto scrub_continue; } - ret = write_ctree_super(trans, root, 0); + ret = write_ctree_super(trans, fs_info, 0); if (ret) { mutex_unlock(&fs_info->tree_log_mutex); goto scrub_continue; @@ -2261,7 +2251,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, */ mutex_unlock(&fs_info->tree_log_mutex); - btrfs_finish_extent_commit(trans, root); + btrfs_finish_extent_commit(trans, fs_info); if (test_bit(BTRFS_TRANS_HAVE_FREE_BGS, &cur_trans->flags)) btrfs_clear_space_info_full(fs_info); @@ -2286,7 +2276,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, trace_btrfs_transaction_commit(root); - btrfs_scrub_continue(root); + btrfs_scrub_continue(fs_info); if (current->journal_info == trans) current->journal_info = NULL; @@ -2299,14 +2289,14 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, */ if (current != fs_info->transaction_kthread && current != fs_info->cleaner_kthread && !fs_info->fs_frozen) - btrfs_run_delayed_iputs(root); + btrfs_run_delayed_iputs(fs_info); return ret; scrub_continue: - btrfs_scrub_continue(root); + btrfs_scrub_continue(fs_info); cleanup_transaction: - btrfs_trans_release_metadata(trans, root); + btrfs_trans_release_metadata(trans, fs_info); btrfs_trans_release_chunk_metadata(trans); trans->block_rsv = NULL; btrfs_warn(fs_info, "Skipping commit of aborted transaction."); diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h index 6cf0d37d4f76..b005371a62db 100644 --- a/fs/btrfs/transaction.h +++ b/fs/btrfs/transaction.h @@ -202,7 +202,7 @@ struct btrfs_trans_handle *btrfs_attach_transaction(struct btrfs_root *root); struct btrfs_trans_handle *btrfs_attach_transaction_barrier( struct btrfs_root *root); struct btrfs_trans_handle *btrfs_start_ioctl_transaction(struct btrfs_root *root); -int btrfs_wait_for_commit(struct btrfs_root *root, u64 transid); +int btrfs_wait_for_commit(struct btrfs_fs_info *fs_info, u64 transid); void btrfs_add_dead_root(struct btrfs_root *root); int btrfs_defrag_root(struct btrfs_root *root); @@ -216,10 +216,10 @@ int btrfs_end_transaction_throttle(struct btrfs_trans_handle *trans, struct btrfs_root *root); int btrfs_should_end_transaction(struct btrfs_trans_handle *trans, struct btrfs_root *root); -void btrfs_throttle(struct btrfs_root *root); +void btrfs_throttle(struct btrfs_fs_info *fs_info); int btrfs_record_root_in_trans(struct btrfs_trans_handle *trans, struct btrfs_root *root); -int btrfs_write_marked_extents(struct btrfs_root *root, +int btrfs_write_marked_extents(struct btrfs_fs_info *fs_info, struct extent_io_tree *dirty_pages, int mark); int btrfs_wait_marked_extents(struct btrfs_root *root, struct extent_io_tree *dirty_pages, int mark); diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index dcb225e6a1c7..0cde002bbd0a 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -307,12 +307,12 @@ static int process_one_buffer(struct btrfs_root *log, } if (wc->pin) - ret = btrfs_pin_extent_for_log_replay(fs_info->extent_root, - eb->start, eb->len); + ret = btrfs_pin_extent_for_log_replay(fs_info, eb->start, + eb->len); if (!ret && btrfs_buffer_uptodate(eb, gen, 0)) { if (wc->pin && btrfs_header_level(eb) == 0) - ret = btrfs_exclude_logged_extents(log, eb); + ret = btrfs_exclude_logged_extents(fs_info, eb); if (wc->write) btrfs_write_tree_block(eb); if (wc->wait) @@ -341,6 +341,7 @@ static noinline int overwrite_item(struct btrfs_trans_handle *trans, struct extent_buffer *eb, int slot, struct btrfs_key *key) { + struct btrfs_fs_info *fs_info = root->fs_info; int ret; u32 item_size; u64 saved_i_size = 0; @@ -461,9 +462,9 @@ insert: found_size = btrfs_item_size_nr(path->nodes[0], path->slots[0]); if (found_size > item_size) - btrfs_truncate_item(root, path, item_size, 1); + btrfs_truncate_item(fs_info, path, item_size, 1); else if (found_size < item_size) - btrfs_extend_item(root, path, + btrfs_extend_item(fs_info, path, item_size - found_size); } else if (ret) { return ret; @@ -708,10 +709,10 @@ static noinline int replay_one_extent(struct btrfs_trans_handle *trans, * is this extent already allocated in the extent * allocation tree? If so, just add a reference */ - ret = btrfs_lookup_data_extent(root, ins.objectid, + ret = btrfs_lookup_data_extent(fs_info, ins.objectid, ins.offset); if (ret == 0) { - ret = btrfs_inc_extent_ref(trans, root, + ret = btrfs_inc_extent_ref(trans, fs_info, ins.objectid, ins.offset, 0, root->root_key.objectid, key->objectid, offset); @@ -723,7 +724,8 @@ static noinline int replay_one_extent(struct btrfs_trans_handle *trans, * allocation tree */ ret = btrfs_alloc_logged_file_extent(trans, - root, root->root_key.objectid, + fs_info, + root->root_key.objectid, key->objectid, offset, &ins); if (ret) goto out; @@ -843,6 +845,7 @@ static noinline int drop_one_dir_item(struct btrfs_trans_handle *trans, struct inode *dir, struct btrfs_dir_item *di) { + struct btrfs_fs_info *fs_info = root->fs_info; struct inode *inode; char *name; int name_len; @@ -875,7 +878,7 @@ static noinline int drop_one_dir_item(struct btrfs_trans_handle *trans, if (ret) goto out; else - ret = btrfs_run_delayed_items(trans, root); + ret = btrfs_run_delayed_items(trans, fs_info); out: kfree(name); iput(inode); @@ -993,6 +996,7 @@ static inline int __add_inode_ref(struct btrfs_trans_handle *trans, u64 ref_index, char *name, int namelen, int *search_done) { + struct btrfs_fs_info *fs_info = root->fs_info; int ret; char *victim_name; int victim_name_len; @@ -1051,7 +1055,7 @@ again: kfree(victim_name); if (ret) return ret; - ret = btrfs_run_delayed_items(trans, root); + ret = btrfs_run_delayed_items(trans, fs_info); if (ret) return ret; *search_done = 1; @@ -1122,7 +1126,8 @@ again: victim_name_len); if (!ret) ret = btrfs_run_delayed_items( - trans, root); + trans, + fs_info); } iput(victim_parent); kfree(victim_name); @@ -1813,6 +1818,7 @@ static noinline int replay_one_dir_item(struct btrfs_trans_handle *trans, struct extent_buffer *eb, int slot, struct btrfs_key *key) { + struct btrfs_fs_info *fs_info = root->fs_info; int ret = 0; u32 item_size = btrfs_item_size_nr(eb, slot); struct btrfs_dir_item *di; @@ -1825,7 +1831,7 @@ static noinline int replay_one_dir_item(struct btrfs_trans_handle *trans, ptr_end = ptr + item_size; while (ptr < ptr_end) { di = (struct btrfs_dir_item *)ptr; - if (verify_dir_item(root, eb, di)) + if (verify_dir_item(fs_info, eb, di)) return -EIO; name_len = btrfs_dir_name_len(eb, di); ret = replay_one_name(trans, root, path, eb, di, key); @@ -1980,6 +1986,7 @@ static noinline int check_item_in_log(struct btrfs_trans_handle *trans, struct inode *dir, struct btrfs_key *dir_key) { + struct btrfs_fs_info *fs_info = root->fs_info; int ret; struct extent_buffer *eb; int slot; @@ -2001,7 +2008,7 @@ again: ptr_end = ptr + item_size; while (ptr < ptr_end) { di = (struct btrfs_dir_item *)ptr; - if (verify_dir_item(root, eb, di)) { + if (verify_dir_item(fs_info, eb, di)) { ret = -EIO; goto out; } @@ -2048,7 +2055,7 @@ again: ret = btrfs_unlink_inode(trans, root, dir, inode, name, name_len); if (!ret) - ret = btrfs_run_delayed_items(trans, root); + ret = btrfs_run_delayed_items(trans, fs_info); kfree(name); iput(inode); if (ret) @@ -2440,7 +2447,7 @@ static noinline int walk_down_log_tree(struct btrfs_trans_handle *trans, parent = path->nodes[*level]; root_owner = btrfs_header_owner(parent); - next = btrfs_find_create_tree_block(root, bytenr); + next = btrfs_find_create_tree_block(fs_info, bytenr); if (IS_ERR(next)) return PTR_ERR(next); @@ -2469,8 +2476,9 @@ static noinline int walk_down_log_tree(struct btrfs_trans_handle *trans, WARN_ON(root_owner != BTRFS_TREE_LOG_OBJECTID); - ret = btrfs_free_and_pin_reserved_extent(root, - bytenr, blocksize); + ret = btrfs_free_and_pin_reserved_extent( + fs_info, bytenr, + blocksize); if (ret) { free_extent_buffer(next); return ret; @@ -2547,7 +2555,8 @@ static noinline int walk_up_log_tree(struct btrfs_trans_handle *trans, } WARN_ON(root_owner != BTRFS_TREE_LOG_OBJECTID); - ret = btrfs_free_and_pin_reserved_extent(root, + ret = btrfs_free_and_pin_reserved_extent( + fs_info, path->nodes[*level]->start, path->nodes[*level]->len); if (ret) @@ -2569,6 +2578,7 @@ static noinline int walk_up_log_tree(struct btrfs_trans_handle *trans, static int walk_log_tree(struct btrfs_trans_handle *trans, struct btrfs_root *log, struct walk_control *wc) { + struct btrfs_fs_info *fs_info = log->fs_info; int ret = 0; int wret; int level; @@ -2617,15 +2627,15 @@ static int walk_log_tree(struct btrfs_trans_handle *trans, if (trans) { btrfs_tree_lock(next); btrfs_set_lock_blocking(next); - clean_tree_block(trans, log->fs_info, next); + clean_tree_block(trans, fs_info, next); btrfs_wait_tree_block_writeback(next); btrfs_tree_unlock(next); } WARN_ON(log->root_key.objectid != BTRFS_TREE_LOG_OBJECTID); - ret = btrfs_free_and_pin_reserved_extent(log, next->start, - next->len); + ret = btrfs_free_and_pin_reserved_extent(fs_info, + next->start, next->len); if (ret) goto out; } @@ -2803,7 +2813,7 @@ int btrfs_sync_log(struct btrfs_trans_handle *trans, * wait for them until later. */ blk_start_plug(&plug); - ret = btrfs_write_marked_extents(log, &log->dirty_log_pages, mark); + ret = btrfs_write_marked_extents(fs_info, &log->dirty_log_pages, mark); if (ret) { blk_finish_plug(&plug); btrfs_abort_transaction(trans, ret); @@ -2911,7 +2921,7 @@ int btrfs_sync_log(struct btrfs_trans_handle *trans, goto out_wake_log_root; } - ret = btrfs_write_marked_extents(log_root_tree, + ret = btrfs_write_marked_extents(fs_info, &log_root_tree->dirty_log_pages, EXTENT_DIRTY | EXTENT_NEW); blk_finish_plug(&plug); @@ -2950,7 +2960,7 @@ int btrfs_sync_log(struct btrfs_trans_handle *trans, * the running transaction open, so a full commit can't hop * in and cause problems either. */ - ret = write_ctree_super(trans, fs_info->tree_root, 1); + ret = write_ctree_super(trans, fs_info, 1); if (ret) { btrfs_set_log_full_commit(fs_info, trans); btrfs_abort_transaction(trans, ret); diff --git a/fs/btrfs/uuid-tree.c b/fs/btrfs/uuid-tree.c index 4464e80bb5ef..0a211d4ce8e0 100644 --- a/fs/btrfs/uuid-tree.c +++ b/fs/btrfs/uuid-tree.c @@ -133,7 +133,7 @@ int btrfs_uuid_tree_add(struct btrfs_trans_handle *trans, * An item with that type already exists. * Extend the item and store the new subid at the end. */ - btrfs_extend_item(uuid_root, path, sizeof(subid_le)); + btrfs_extend_item(fs_info, path, sizeof(subid_le)); eb = path->nodes[0]; slot = path->slots[0]; offset = btrfs_item_ptr_offset(eb, slot); @@ -231,7 +231,7 @@ int btrfs_uuid_tree_rem(struct btrfs_trans_handle *trans, move_src = offset + sizeof(subid); move_len = item_size - (move_src - btrfs_item_ptr_offset(eb, slot)); memmove_extent_buffer(eb, move_dst, move_src, move_len); - btrfs_truncate_item(uuid_root, path, item_size - sizeof(subid), 1); + btrfs_truncate_item(fs_info, path, item_size - sizeof(subid), 1); out: btrfs_free_path(path); diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index f983d258bf5c..e7127bd61485 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -134,9 +134,9 @@ const int btrfs_raid_mindev_error[BTRFS_NR_RAID_TYPES] = { }; static int init_first_rw_device(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, struct btrfs_device *device); -static int btrfs_relocate_sys_chunks(struct btrfs_root *root); +static int btrfs_relocate_sys_chunks(struct btrfs_fs_info *fs_info); static void __btrfs_reset_dev_stats(struct btrfs_device *dev); static void btrfs_dev_stat_print_on_error(struct btrfs_device *dev); static void btrfs_dev_stat_print_on_load(struct btrfs_device *device); @@ -1852,9 +1852,8 @@ void btrfs_assign_next_active_device(struct btrfs_fs_info *fs_info, fs_info->fs_devices->latest_bdev = next_device->bdev; } -int btrfs_rm_device(struct btrfs_root *root, char *device_path, u64 devid) +int btrfs_rm_device(struct btrfs_fs_info *fs_info, char *device_path, u64 devid) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_device *device; struct btrfs_fs_devices *cur_devices; u64 num_devices; @@ -1875,8 +1874,8 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path, u64 devid) if (ret) goto out; - ret = btrfs_find_device_by_devspec(root, devid, device_path, - &device); + ret = btrfs_find_device_by_devspec(fs_info, devid, device_path, + &device); if (ret) goto out; @@ -2092,10 +2091,10 @@ void btrfs_destroy_dev_replace_tgtdev(struct btrfs_fs_info *fs_info, call_rcu(&tgtdev->rcu, free_device); } -static int btrfs_find_device_by_path(struct btrfs_root *root, char *device_path, +static int btrfs_find_device_by_path(struct btrfs_fs_info *fs_info, + char *device_path, struct btrfs_device **device) { - struct btrfs_fs_info *fs_info = root->fs_info; int ret = 0; struct btrfs_super_block *disk_super; u64 devid; @@ -2119,12 +2118,10 @@ static int btrfs_find_device_by_path(struct btrfs_root *root, char *device_path, return ret; } -int btrfs_find_device_missing_or_by_path(struct btrfs_root *root, +int btrfs_find_device_missing_or_by_path(struct btrfs_fs_info *fs_info, char *device_path, struct btrfs_device **device) { - struct btrfs_fs_info *fs_info = root->fs_info; - *device = NULL; if (strcmp(device_path, "missing") == 0) { struct list_head *devices; @@ -2147,18 +2144,16 @@ int btrfs_find_device_missing_or_by_path(struct btrfs_root *root, return 0; } else { - return btrfs_find_device_by_path(root, device_path, device); + return btrfs_find_device_by_path(fs_info, device_path, device); } } /* * Lookup a device given by device id, or the path if the id is 0. */ -int btrfs_find_device_by_devspec(struct btrfs_root *root, u64 devid, - char *devpath, - struct btrfs_device **device) +int btrfs_find_device_by_devspec(struct btrfs_fs_info *fs_info, u64 devid, + char *devpath, struct btrfs_device **device) { - struct btrfs_fs_info *fs_info = root->fs_info; int ret; if (devid) { @@ -2170,7 +2165,7 @@ int btrfs_find_device_by_devspec(struct btrfs_root *root, u64 devid, if (!devpath || !devpath[0]) return -EINVAL; - ret = btrfs_find_device_missing_or_by_path(root, devpath, + ret = btrfs_find_device_missing_or_by_path(fs_info, devpath, device); } return ret; @@ -2179,9 +2174,8 @@ int btrfs_find_device_by_devspec(struct btrfs_root *root, u64 devid, /* * does all the dirty work required for changing file system's UUID. */ -static int btrfs_prepare_sprout(struct btrfs_root *root) +static int btrfs_prepare_sprout(struct btrfs_fs_info *fs_info) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_fs_devices *fs_devices = fs_info->fs_devices; struct btrfs_fs_devices *old_devices; struct btrfs_fs_devices *seed_devices; @@ -2401,7 +2395,7 @@ int btrfs_init_new_device(struct btrfs_fs_info *fs_info, char *device_path) if (seeding_dev) { sb->s_flags &= ~MS_RDONLY; - ret = btrfs_prepare_sprout(root); + ret = btrfs_prepare_sprout(fs_info); BUG_ON(ret); /* -ENOMEM */ } @@ -2446,7 +2440,7 @@ int btrfs_init_new_device(struct btrfs_fs_info *fs_info, char *device_path) if (seeding_dev) { lock_chunks(fs_info); - ret = init_first_rw_device(trans, root, device); + ret = init_first_rw_device(trans, fs_info, device); unlock_chunks(fs_info); if (ret) { btrfs_abort_transaction(trans, ret); @@ -2490,7 +2484,7 @@ int btrfs_init_new_device(struct btrfs_fs_info *fs_info, char *device_path) if (ret) /* transaction commit */ return ret; - ret = btrfs_relocate_sys_chunks(root); + ret = btrfs_relocate_sys_chunks(fs_info); if (ret < 0) btrfs_handle_fs_error(fs_info, ret, "Failed to relocate sys chunks after device initialization. This can be fixed using the \"btrfs balance\" command."); @@ -2521,14 +2515,14 @@ error: return ret; } -int btrfs_init_dev_replace_tgtdev(struct btrfs_root *root, char *device_path, +int btrfs_init_dev_replace_tgtdev(struct btrfs_fs_info *fs_info, + char *device_path, struct btrfs_device *srcdev, struct btrfs_device **device_out) { struct request_queue *q; struct btrfs_device *device; struct block_device *bdev; - struct btrfs_fs_info *fs_info = root->fs_info; struct list_head *devices; struct rcu_string *name; u64 devid = BTRFS_DEV_REPLACE_DEVID; @@ -2805,7 +2799,6 @@ int btrfs_remove_chunk(struct btrfs_trans_handle *trans, { struct extent_map_tree *em_tree; struct extent_map *em; - struct btrfs_root *extent_root = fs_info->extent_root; struct map_lookup *map; u64 dev_extent_len = 0; u64 chunk_objectid = BTRFS_FIRST_CHUNK_TREE_OBJECTID; @@ -2832,7 +2825,7 @@ int btrfs_remove_chunk(struct btrfs_trans_handle *trans, } map = em->map_lookup; lock_chunks(fs_info); - check_system_chunk(trans, extent_root, map->type); + check_system_chunk(trans, fs_info, map->type); unlock_chunks(fs_info); /* @@ -2929,9 +2922,9 @@ static int btrfs_relocate_chunk(struct btrfs_fs_info *fs_info, u64 chunk_offset) return -ENOSPC; /* step one, relocate all the extents inside this chunk */ - btrfs_scrub_pause(root); + btrfs_scrub_pause(fs_info); ret = btrfs_relocate_block_group(fs_info, chunk_offset); - btrfs_scrub_continue(root); + btrfs_scrub_continue(fs_info); if (ret) return ret; @@ -2952,9 +2945,8 @@ static int btrfs_relocate_chunk(struct btrfs_fs_info *fs_info, u64 chunk_offset) return ret; } -static int btrfs_relocate_sys_chunks(struct btrfs_root *root) +static int btrfs_relocate_sys_chunks(struct btrfs_fs_info *fs_info) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_root *chunk_root = fs_info->chunk_root; struct btrfs_path *path; struct extent_buffer *leaf; @@ -3369,11 +3361,10 @@ static int chunk_soft_convert_filter(u64 chunk_type, return 0; } -static int should_balance_chunk(struct btrfs_root *root, +static int should_balance_chunk(struct btrfs_fs_info *fs_info, struct extent_buffer *leaf, struct btrfs_chunk *chunk, u64 chunk_offset) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_balance_control *bctl = fs_info->balance_ctl; struct btrfs_balance_args *bargs = NULL; u64 chunk_type = btrfs_chunk_type(leaf, chunk); @@ -3607,7 +3598,7 @@ again: spin_unlock(&fs_info->balance_lock); } - ret = should_balance_chunk(chunk_root, leaf, chunk, + ret = should_balance_chunk(fs_info, leaf, chunk, found_key.offset); btrfs_release_path(path); @@ -3660,7 +3651,7 @@ again: goto error; } - ret = btrfs_force_chunk_alloc(trans, chunk_root, + ret = btrfs_force_chunk_alloc(trans, fs_info, BTRFS_BLOCK_GROUP_DATA); btrfs_end_transaction(trans, chunk_root); if (ret < 0) { @@ -4522,11 +4513,10 @@ done: return ret; } -static int btrfs_add_system_chunk(struct btrfs_root *root, +static int btrfs_add_system_chunk(struct btrfs_fs_info *fs_info, struct btrfs_key *key, struct btrfs_chunk *chunk, int item_size) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_super_block *super_copy = fs_info->super_copy; struct btrfs_disk_key disk_key; u32 array_size; @@ -4595,10 +4585,10 @@ static void check_raid56_incompat_flag(struct btrfs_fs_info *info, u64 type) / sizeof(struct btrfs_stripe) + 1) static int __btrfs_alloc_chunk(struct btrfs_trans_handle *trans, - struct btrfs_root *extent_root, u64 start, + struct btrfs_fs_info *fs_info, u64 start, u64 type) { - struct btrfs_fs_info *info = extent_root->fs_info; + struct btrfs_fs_info *info = trans->fs_info; struct btrfs_fs_devices *fs_devices = info->fs_devices; struct list_head *cur; struct map_lookup *map = NULL; @@ -4852,7 +4842,7 @@ static int __btrfs_alloc_chunk(struct btrfs_trans_handle *trans, goto error; } - ret = btrfs_make_block_group(trans, extent_root, 0, type, + ret = btrfs_make_block_group(trans, info, 0, type, BTRFS_FIRST_CHUNK_TREE_OBJECTID, start, num_bytes); if (ret) @@ -4997,8 +4987,7 @@ int btrfs_finish_chunk_alloc(struct btrfs_trans_handle *trans, * TODO: Cleanup of inserted chunk root in case of * failure. */ - ret = btrfs_add_system_chunk(chunk_root, &key, chunk, - item_size); + ret = btrfs_add_system_chunk(fs_info, &key, chunk, item_size); } out: @@ -5015,37 +5004,34 @@ out: * bootstrap process of adding storage to a seed btrfs. */ int btrfs_alloc_chunk(struct btrfs_trans_handle *trans, - struct btrfs_root *extent_root, u64 type) + struct btrfs_fs_info *fs_info, u64 type) { - struct btrfs_fs_info *fs_info = extent_root->fs_info; u64 chunk_offset; ASSERT(mutex_is_locked(&fs_info->chunk_mutex)); chunk_offset = find_next_chunk(fs_info); - return __btrfs_alloc_chunk(trans, extent_root, chunk_offset, type); + return __btrfs_alloc_chunk(trans, fs_info, chunk_offset, type); } static noinline int init_first_rw_device(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, struct btrfs_device *device) { + struct btrfs_root *extent_root = fs_info->extent_root; u64 chunk_offset; u64 sys_chunk_offset; u64 alloc_profile; - struct btrfs_fs_info *fs_info = root->fs_info; - struct btrfs_root *extent_root = fs_info->extent_root; int ret; chunk_offset = find_next_chunk(fs_info); alloc_profile = btrfs_get_alloc_profile(extent_root, 0); - ret = __btrfs_alloc_chunk(trans, extent_root, chunk_offset, - alloc_profile); + ret = __btrfs_alloc_chunk(trans, fs_info, chunk_offset, alloc_profile); if (ret) return ret; sys_chunk_offset = find_next_chunk(fs_info); alloc_profile = btrfs_get_alloc_profile(fs_info->chunk_root, 0); - ret = __btrfs_alloc_chunk(trans, extent_root, sys_chunk_offset, + ret = __btrfs_alloc_chunk(trans, fs_info, sys_chunk_offset, alloc_profile); return ret; } @@ -5068,9 +5054,8 @@ static inline int btrfs_chunk_max_errors(struct map_lookup *map) return max_errors; } -int btrfs_chunk_readonly(struct btrfs_root *root, u64 chunk_offset) +int btrfs_chunk_readonly(struct btrfs_fs_info *fs_info, u64 chunk_offset) { - struct btrfs_fs_info *fs_info = root->fs_info; struct extent_map *em; struct map_lookup *map; struct btrfs_mapping_tree *map_tree = &fs_info->mapping_tree; @@ -5185,11 +5170,10 @@ int btrfs_num_copies(struct btrfs_fs_info *fs_info, u64 logical, u64 len) return ret; } -unsigned long btrfs_full_stripe_len(struct btrfs_root *root, +unsigned long btrfs_full_stripe_len(struct btrfs_fs_info *fs_info, struct btrfs_mapping_tree *map_tree, u64 logical) { - struct btrfs_fs_info *fs_info = root->fs_info; struct extent_map *em; struct map_lookup *map; struct extent_map_tree *em_tree = &map_tree->map_tree; @@ -6075,8 +6059,7 @@ static void btrfs_end_bio(struct bio *bio) * This will add one bio to the pending list for a device and make sure * the work struct is scheduled. */ -static noinline void btrfs_schedule_bio(struct btrfs_root *root, - struct btrfs_device *device, +static noinline void btrfs_schedule_bio(struct btrfs_device *device, struct bio *bio) { struct btrfs_fs_info *fs_info = device->fs_info; @@ -6127,11 +6110,11 @@ static noinline void btrfs_schedule_bio(struct btrfs_root *root, btrfs_queue_work(fs_info->submit_workers, &device->work); } -static void submit_stripe_bio(struct btrfs_root *root, struct btrfs_bio *bbio, - struct bio *bio, u64 physical, int dev_nr, - int async) +static void submit_stripe_bio(struct btrfs_bio *bbio, struct bio *bio, + u64 physical, int dev_nr, int async) { struct btrfs_device *dev = bbio->stripes[dev_nr].dev; + struct btrfs_fs_info *fs_info = bbio->fs_info; bio->bi_private = bbio; btrfs_io_bio(bio)->stripe_index = dev_nr; @@ -6154,10 +6137,10 @@ static void submit_stripe_bio(struct btrfs_root *root, struct btrfs_bio *bbio, #endif bio->bi_bdev = dev->bdev; - btrfs_bio_counter_inc_noblocked(root->fs_info); + btrfs_bio_counter_inc_noblocked(fs_info); if (async) - btrfs_schedule_bio(root, dev, bio); + btrfs_schedule_bio(dev, bio); else btrfsic_submit_bio(bio); } @@ -6176,10 +6159,9 @@ static void bbio_error(struct btrfs_bio *bbio, struct bio *bio, u64 logical) } } -int btrfs_map_bio(struct btrfs_root *root, struct bio *bio, +int btrfs_map_bio(struct btrfs_fs_info *fs_info, struct bio *bio, int mirror_num, int async_submit) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_device *dev; struct bio *first_bio = bio; u64 logical = (u64)bio->bi_iter.bi_sector << 9; @@ -6213,10 +6195,11 @@ int btrfs_map_bio(struct btrfs_root *root, struct bio *bio, /* In this case, map_length has been set to the length of a single stripe; not the whole write */ if (bio_op(bio) == REQ_OP_WRITE) { - ret = raid56_parity_write(root, bio, bbio, map_length); + ret = raid56_parity_write(fs_info, bio, bbio, + map_length); } else { - ret = raid56_parity_recover(root, bio, bbio, map_length, - mirror_num, 1); + ret = raid56_parity_recover(fs_info, bio, bbio, + map_length, mirror_num, 1); } btrfs_bio_counter_dec(fs_info); @@ -6244,9 +6227,8 @@ int btrfs_map_bio(struct btrfs_root *root, struct bio *bio, } else bio = first_bio; - submit_stripe_bio(root, bbio, bio, - bbio->stripes[dev_nr].physical, dev_nr, - async_submit); + submit_stripe_bio(bbio, bio, bbio->stripes[dev_nr].physical, + dev_nr, async_submit); } btrfs_bio_counter_dec(fs_info); return 0; @@ -6272,8 +6254,7 @@ struct btrfs_device *btrfs_find_device(struct btrfs_fs_info *fs_info, u64 devid, return NULL; } -static struct btrfs_device *add_missing_dev(struct btrfs_root *root, - struct btrfs_fs_devices *fs_devices, +static struct btrfs_device *add_missing_dev(struct btrfs_fs_devices *fs_devices, u64 devid, u8 *dev_uuid) { struct btrfs_device *device; @@ -6344,11 +6325,10 @@ struct btrfs_device *btrfs_alloc_device(struct btrfs_fs_info *fs_info, } /* Return -EIO if any error, otherwise return 0. */ -static int btrfs_check_chunk_valid(struct btrfs_root *root, +static int btrfs_check_chunk_valid(struct btrfs_fs_info *fs_info, struct extent_buffer *leaf, struct btrfs_chunk *chunk, u64 logical) { - struct btrfs_fs_info *fs_info = root->fs_info; u64 length; u64 stripe_len; u16 num_stripes; @@ -6409,11 +6389,10 @@ static int btrfs_check_chunk_valid(struct btrfs_root *root, return 0; } -static int read_one_chunk(struct btrfs_root *root, struct btrfs_key *key, +static int read_one_chunk(struct btrfs_fs_info *fs_info, struct btrfs_key *key, struct extent_buffer *leaf, struct btrfs_chunk *chunk) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_mapping_tree *map_tree = &fs_info->mapping_tree; struct map_lookup *map; struct extent_map *em; @@ -6431,7 +6410,7 @@ static int read_one_chunk(struct btrfs_root *root, struct btrfs_key *key, stripe_len = btrfs_chunk_stripe_len(leaf, chunk); num_stripes = btrfs_chunk_num_stripes(leaf, chunk); - ret = btrfs_check_chunk_valid(root, leaf, chunk, logical); + ret = btrfs_check_chunk_valid(fs_info, leaf, chunk, logical); if (ret) return ret; @@ -6487,8 +6466,8 @@ static int read_one_chunk(struct btrfs_root *root, struct btrfs_key *key, } if (!map->stripes[i].dev) { map->stripes[i].dev = - add_missing_dev(root, fs_info->fs_devices, - devid, uuid); + add_missing_dev(fs_info->fs_devices, devid, + uuid); if (!map->stripes[i].dev) { free_extent_map(em); return -EIO; @@ -6531,10 +6510,9 @@ static void fill_device_from_item(struct extent_buffer *leaf, read_extent_buffer(leaf, device->uuid, ptr, BTRFS_UUID_SIZE); } -static struct btrfs_fs_devices *open_seed_devices(struct btrfs_root *root, +static struct btrfs_fs_devices *open_seed_devices(struct btrfs_fs_info *fs_info, u8 *fsid) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_fs_devices *fs_devices; int ret; @@ -6587,11 +6565,10 @@ out: return fs_devices; } -static int read_one_dev(struct btrfs_root *root, +static int read_one_dev(struct btrfs_fs_info *fs_info, struct extent_buffer *leaf, struct btrfs_dev_item *dev_item) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_fs_devices *fs_devices = fs_info->fs_devices; struct btrfs_device *device; u64 devid; @@ -6606,7 +6583,7 @@ static int read_one_dev(struct btrfs_root *root, BTRFS_UUID_SIZE); if (memcmp(fs_uuid, fs_info->fsid, BTRFS_UUID_SIZE)) { - fs_devices = open_seed_devices(root, fs_uuid); + fs_devices = open_seed_devices(fs_info, fs_uuid); if (IS_ERR(fs_devices)) return PTR_ERR(fs_devices); } @@ -6616,7 +6593,7 @@ static int read_one_dev(struct btrfs_root *root, if (!btrfs_test_opt(fs_info, DEGRADED)) return -EIO; - device = add_missing_dev(root, fs_devices, devid, dev_uuid); + device = add_missing_dev(fs_devices, devid, dev_uuid); if (!device) return -ENOMEM; btrfs_warn(fs_info, "devid %llu uuid %pU missing", @@ -6694,7 +6671,7 @@ int btrfs_read_sys_array(struct btrfs_fs_info *fs_info) * fixed to BTRFS_SUPER_INFO_SIZE. If nodesize > sb size, this will * overallocate but we can keep it as-is, only the first page is used. */ - sb = btrfs_find_create_tree_block(root, BTRFS_SUPER_INFO_OFFSET); + sb = btrfs_find_create_tree_block(fs_info, BTRFS_SUPER_INFO_OFFSET); if (IS_ERR(sb)) return PTR_ERR(sb); set_extent_buffer_uptodate(sb); @@ -6765,7 +6742,7 @@ int btrfs_read_sys_array(struct btrfs_fs_info *fs_info) if (cur_offset + len > array_size) goto out_short_read; - ret = read_one_chunk(root, &key, sb, chunk); + ret = read_one_chunk(fs_info, &key, sb, chunk); if (ret) break; } else { @@ -6837,14 +6814,14 @@ int btrfs_read_chunk_tree(struct btrfs_fs_info *fs_info) struct btrfs_dev_item *dev_item; dev_item = btrfs_item_ptr(leaf, slot, struct btrfs_dev_item); - ret = read_one_dev(root, leaf, dev_item); + ret = read_one_dev(fs_info, leaf, dev_item); if (ret) goto error; total_dev++; } else if (found_key.type == BTRFS_CHUNK_ITEM_KEY) { struct btrfs_chunk *chunk; chunk = btrfs_item_ptr(leaf, slot, struct btrfs_chunk); - ret = read_one_chunk(root, &found_key, leaf, chunk); + ret = read_one_chunk(fs_info, &found_key, leaf, chunk); if (ret) goto error; } @@ -7095,10 +7072,9 @@ static void btrfs_dev_stat_print_on_load(struct btrfs_device *dev) btrfs_dev_stat_read(dev, BTRFS_DEV_STAT_GENERATION_ERRS)); } -int btrfs_get_dev_stats(struct btrfs_root *root, +int btrfs_get_dev_stats(struct btrfs_fs_info *fs_info, struct btrfs_ioctl_get_dev_stats *stats) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_device *dev; struct btrfs_fs_devices *fs_devices = fs_info->fs_devices; int i; @@ -7185,10 +7161,9 @@ void btrfs_update_commit_device_size(struct btrfs_fs_info *fs_info) } /* Must be invoked during the transaction commit */ -void btrfs_update_commit_device_bytes_used(struct btrfs_root *root, +void btrfs_update_commit_device_bytes_used(struct btrfs_fs_info *fs_info, struct btrfs_transaction *transaction) { - struct btrfs_fs_info *fs_info = root->fs_info; struct extent_map *em; struct map_lookup *map; struct btrfs_device *dev; diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h index 724d18ca7ff0..18b4449fa5a5 100644 --- a/fs/btrfs/volumes.h +++ b/fs/btrfs/volumes.h @@ -408,10 +408,10 @@ int btrfs_rmap_block(struct btrfs_fs_info *fs_info, int btrfs_read_sys_array(struct btrfs_fs_info *fs_info); int btrfs_read_chunk_tree(struct btrfs_fs_info *fs_info); int btrfs_alloc_chunk(struct btrfs_trans_handle *trans, - struct btrfs_root *extent_root, u64 type); + struct btrfs_fs_info *fs_info, u64 type); void btrfs_mapping_init(struct btrfs_mapping_tree *tree); void btrfs_mapping_tree_free(struct btrfs_mapping_tree *tree); -int btrfs_map_bio(struct btrfs_root *root, struct bio *bio, +int btrfs_map_bio(struct btrfs_fs_info *fs_info, struct bio *bio, int mirror_num, int async_submit); int btrfs_open_devices(struct btrfs_fs_devices *fs_devices, fmode_t flags, void *holder); @@ -421,16 +421,17 @@ int btrfs_close_devices(struct btrfs_fs_devices *fs_devices); void btrfs_close_extra_devices(struct btrfs_fs_devices *fs_devices, int step); void btrfs_assign_next_active_device(struct btrfs_fs_info *fs_info, struct btrfs_device *device, struct btrfs_device *this_dev); -int btrfs_find_device_missing_or_by_path(struct btrfs_root *root, +int btrfs_find_device_missing_or_by_path(struct btrfs_fs_info *fs_info, char *device_path, struct btrfs_device **device); -int btrfs_find_device_by_devspec(struct btrfs_root *root, u64 devid, +int btrfs_find_device_by_devspec(struct btrfs_fs_info *fs_info, u64 devid, char *devpath, struct btrfs_device **device); struct btrfs_device *btrfs_alloc_device(struct btrfs_fs_info *fs_info, const u64 *devid, const u8 *uuid); -int btrfs_rm_device(struct btrfs_root *root, char *device_path, u64 devid); +int btrfs_rm_device(struct btrfs_fs_info *fs_info, + char *device_path, u64 devid); void btrfs_cleanup_fs_uuids(void); int btrfs_num_copies(struct btrfs_fs_info *fs_info, u64 logical, u64 len); int btrfs_grow_device(struct btrfs_trans_handle *trans, @@ -439,7 +440,8 @@ struct btrfs_device *btrfs_find_device(struct btrfs_fs_info *fs_info, u64 devid, u8 *uuid, u8 *fsid); int btrfs_shrink_device(struct btrfs_device *device, u64 new_size); int btrfs_init_new_device(struct btrfs_fs_info *fs_info, char *path); -int btrfs_init_dev_replace_tgtdev(struct btrfs_root *root, char *device_path, +int btrfs_init_dev_replace_tgtdev(struct btrfs_fs_info *fs_info, + char *device_path, struct btrfs_device *srcdev, struct btrfs_device **device_out); int btrfs_balance(struct btrfs_balance_control *bctl, @@ -450,7 +452,7 @@ int btrfs_pause_balance(struct btrfs_fs_info *fs_info); int btrfs_cancel_balance(struct btrfs_fs_info *fs_info); int btrfs_create_uuid_tree(struct btrfs_fs_info *fs_info); int btrfs_check_uuid_tree(struct btrfs_fs_info *fs_info); -int btrfs_chunk_readonly(struct btrfs_root *root, u64 chunk_offset); +int btrfs_chunk_readonly(struct btrfs_fs_info *fs_info, u64 chunk_offset); int find_free_dev_extent_start(struct btrfs_transaction *transaction, struct btrfs_device *device, u64 num_bytes, u64 search_start, u64 *start, u64 *max_avail); @@ -458,7 +460,7 @@ int find_free_dev_extent(struct btrfs_trans_handle *trans, struct btrfs_device *device, u64 num_bytes, u64 *start, u64 *max_avail); void btrfs_dev_stat_inc_and_print(struct btrfs_device *dev, int index); -int btrfs_get_dev_stats(struct btrfs_root *root, +int btrfs_get_dev_stats(struct btrfs_fs_info *fs_info, struct btrfs_ioctl_get_dev_stats *stats); void btrfs_init_devices_late(struct btrfs_fs_info *fs_info); int btrfs_init_dev_stats(struct btrfs_fs_info *fs_info); @@ -475,7 +477,7 @@ void btrfs_init_dev_replace_tgtdev_for_resume(struct btrfs_fs_info *fs_info, void btrfs_scratch_superblocks(struct block_device *bdev, char *device_path); int btrfs_is_parity_mirror(struct btrfs_mapping_tree *map_tree, u64 logical, u64 len, int mirror_num); -unsigned long btrfs_full_stripe_len(struct btrfs_root *root, +unsigned long btrfs_full_stripe_len(struct btrfs_fs_info *fs_info, struct btrfs_mapping_tree *map_tree, u64 logical); int btrfs_finish_chunk_alloc(struct btrfs_trans_handle *trans, @@ -529,7 +531,7 @@ static inline void btrfs_dev_stat_reset(struct btrfs_device *dev, } void btrfs_update_commit_device_size(struct btrfs_fs_info *fs_info); -void btrfs_update_commit_device_bytes_used(struct btrfs_root *root, +void btrfs_update_commit_device_bytes_used(struct btrfs_fs_info *fs_info, struct btrfs_transaction *transaction); static inline void lock_chunks(struct btrfs_fs_info *fs_info) diff --git a/fs/btrfs/xattr.c b/fs/btrfs/xattr.c index b29557482ada..7dfd2f06eb55 100644 --- a/fs/btrfs/xattr.c +++ b/fs/btrfs/xattr.c @@ -94,6 +94,7 @@ static int do_setxattr(struct btrfs_trans_handle *trans, { struct btrfs_dir_item *di = NULL; struct btrfs_root *root = BTRFS_I(inode)->root; + struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_path *path; size_t name_len = strlen(name); int ret = 0; @@ -149,14 +150,14 @@ static int do_setxattr(struct btrfs_trans_handle *trans, */ ret = 0; btrfs_assert_tree_locked(path->nodes[0]); - di = btrfs_match_dir_item_name(root, path, name, name_len); + di = btrfs_match_dir_item_name(fs_info, path, name, name_len); if (!di && !(flags & XATTR_REPLACE)) { ret = -ENOSPC; goto out; } } else if (ret == -EEXIST) { ret = 0; - di = btrfs_match_dir_item_name(root, path, name, name_len); + di = btrfs_match_dir_item_name(fs_info, path, name, name_len); ASSERT(di); /* logic error */ } else if (ret) { goto out; @@ -185,7 +186,7 @@ static int do_setxattr(struct btrfs_trans_handle *trans, char *ptr; if (size > old_data_len) { - if (btrfs_leaf_free_space(root, leaf) < + if (btrfs_leaf_free_space(fs_info, leaf) < (size - old_data_len)) { ret = -ENOSPC; goto out; @@ -195,16 +196,17 @@ static int do_setxattr(struct btrfs_trans_handle *trans, if (old_data_len + name_len + sizeof(*di) == item_size) { /* No other xattrs packed in the same leaf item. */ if (size > old_data_len) - btrfs_extend_item(root, path, + btrfs_extend_item(fs_info, path, size - old_data_len); else if (size < old_data_len) - btrfs_truncate_item(root, path, data_size, 1); + btrfs_truncate_item(fs_info, path, + data_size, 1); } else { /* There are other xattrs packed in the same item. */ ret = btrfs_delete_one_dir_name(trans, root, path, di); if (ret) goto out; - btrfs_extend_item(root, path, data_size); + btrfs_extend_item(fs_info, path, data_size); } item = btrfs_item_nr(slot); @@ -265,6 +267,7 @@ ssize_t btrfs_listxattr(struct dentry *dentry, char *buffer, size_t size) { struct btrfs_key key; struct inode *inode = d_inode(dentry); + struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); struct btrfs_root *root = BTRFS_I(inode)->root; struct btrfs_path *path; int ret = 0; @@ -333,7 +336,7 @@ ssize_t btrfs_listxattr(struct dentry *dentry, char *buffer, size_t size) u32 this_len = sizeof(*di) + name_len + data_len; unsigned long name_ptr = (unsigned long)(di + 1); - if (verify_dir_item(root, leaf, di)) { + if (verify_dir_item(fs_info, leaf, di)) { ret = -EIO; goto err; } |