diff options
Diffstat (limited to 'fs')
62 files changed, 456 insertions, 332 deletions
diff --git a/fs/aio.c b/fs/aio.c index 4ab67e8cb776..873b4ca82ccb 100644 --- a/fs/aio.c +++ b/fs/aio.c @@ -1085,7 +1085,8 @@ static void aio_complete(struct kiocb *kiocb, long res, long res2) * Tell lockdep we inherited freeze protection from submission * thread. */ - __sb_writers_acquired(file_inode(file)->i_sb, SB_FREEZE_WRITE); + if (S_ISREG(file_inode(file)->i_mode)) + __sb_writers_acquired(file_inode(file)->i_sb, SB_FREEZE_WRITE); file_end_write(file); } @@ -1525,7 +1526,8 @@ static ssize_t aio_write(struct kiocb *req, struct iocb *iocb, bool vectored, * by telling it the lock got released so that it doesn't * complain about held lock when we return to userspace. */ - __sb_writers_release(file_inode(file)->i_sb, SB_FREEZE_WRITE); + if (S_ISREG(file_inode(file)->i_mode)) + __sb_writers_release(file_inode(file)->i_sb, SB_FREEZE_WRITE); } kfree(iovec); return ret; diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 29a02daf08a9..422370293cfd 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -2298,6 +2298,7 @@ static int elf_core_dump(struct coredump_params *cprm) goto end_coredump; } } + dump_truncate(cprm); if (!elf_core_write_extra_data(cprm)) goto end_coredump; diff --git a/fs/block_dev.c b/fs/block_dev.c index 6254cee8f8f3..5db5d1340d69 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -328,6 +328,7 @@ __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, int nr_pages) struct file *file = iocb->ki_filp; struct inode *inode = bdev_file_inode(file); struct block_device *bdev = I_BDEV(inode); + struct blk_plug plug; struct blkdev_dio *dio; struct bio *bio; bool is_read = (iov_iter_rw(iter) == READ); @@ -353,6 +354,7 @@ __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, int nr_pages) dio->multi_bio = false; dio->should_dirty = is_read && (iter->type == ITER_IOVEC); + blk_start_plug(&plug); for (;;) { bio->bi_bdev = bdev; bio->bi_iter.bi_sector = pos >> 9; @@ -394,6 +396,7 @@ __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, int nr_pages) submit_bio(bio); bio = bio_alloc(GFP_KERNEL, nr_pages); } + blk_finish_plug(&plug); if (!dio->is_sync) return -EIOCBQUEUED; diff --git a/fs/btrfs/async-thread.c b/fs/btrfs/async-thread.c index 63d197724519..ff0b0be92d61 100644 --- a/fs/btrfs/async-thread.c +++ b/fs/btrfs/async-thread.c @@ -273,6 +273,8 @@ static void run_ordered_work(struct __btrfs_workqueue *wq) unsigned long flags; while (1) { + void *wtag; + spin_lock_irqsave(lock, flags); if (list_empty(list)) break; @@ -299,11 +301,13 @@ static void run_ordered_work(struct __btrfs_workqueue *wq) spin_unlock_irqrestore(lock, flags); /* - * we don't want to call the ordered free functions - * with the lock held though + * We don't want to call the ordered free functions with the + * lock held though. Save the work as tag for the trace event, + * because the callback could free the structure. */ + wtag = work; work->ordered_free(work); - trace_btrfs_all_work_done(work); + trace_btrfs_all_work_done(wq->fs_info, wtag); } spin_unlock_irqrestore(lock, flags); } @@ -311,6 +315,7 @@ static void run_ordered_work(struct __btrfs_workqueue *wq) static void normal_work_helper(struct btrfs_work *work) { struct __btrfs_workqueue *wq; + void *wtag; int need_order = 0; /* @@ -324,6 +329,8 @@ static void normal_work_helper(struct btrfs_work *work) if (work->ordered_func) need_order = 1; wq = work->wq; + /* Safe for tracepoints in case work gets freed by the callback */ + wtag = work; trace_btrfs_work_sched(work); thresh_exec_hook(wq); @@ -333,7 +340,7 @@ static void normal_work_helper(struct btrfs_work *work) run_ordered_work(wq); } if (!need_order) - trace_btrfs_all_work_done(work); + trace_btrfs_all_work_done(wq->fs_info, wtag); } void btrfs_init_work(struct btrfs_work *work, btrfs_work_func_t uniq_func, diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index e97302f437a1..dcd2e798767e 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -2522,11 +2522,11 @@ static noinline int __btrfs_run_delayed_refs(struct btrfs_trans_handle *trans, if (ref && ref->seq && btrfs_check_delayed_seq(fs_info, delayed_refs, ref->seq)) { spin_unlock(&locked_ref->lock); - btrfs_delayed_ref_unlock(locked_ref); spin_lock(&delayed_refs->lock); locked_ref->processing = 0; delayed_refs->num_heads_ready++; spin_unlock(&delayed_refs->lock); + btrfs_delayed_ref_unlock(locked_ref); locked_ref = NULL; cond_resched(); count++; @@ -2572,7 +2572,10 @@ static noinline int __btrfs_run_delayed_refs(struct btrfs_trans_handle *trans, */ if (must_insert_reserved) locked_ref->must_insert_reserved = 1; + spin_lock(&delayed_refs->lock); locked_ref->processing = 0; + delayed_refs->num_heads_ready++; + spin_unlock(&delayed_refs->lock); btrfs_debug(fs_info, "run_delayed_extent_op returned %d", ret); @@ -7384,7 +7387,8 @@ btrfs_lock_cluster(struct btrfs_block_group_cache *block_group, spin_unlock(&cluster->refill_lock); - down_read(&used_bg->data_rwsem); + /* We should only have one-level nested. */ + down_read_nested(&used_bg->data_rwsem, SINGLE_DEPTH_NESTING); spin_lock(&cluster->refill_lock); if (used_bg == cluster->block_group) diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index f2b281ad7af6..4e024260ad71 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -7059,7 +7059,7 @@ insert: write_unlock(&em_tree->lock); out: - trace_btrfs_get_extent(root, em); + trace_btrfs_get_extent(root, inode, em); btrfs_free_path(path); if (trans) { @@ -7623,11 +7623,18 @@ static void adjust_dio_outstanding_extents(struct inode *inode, * within our reservation, otherwise we need to adjust our inode * counter appropriately. */ - if (dio_data->outstanding_extents) { + if (dio_data->outstanding_extents >= num_extents) { dio_data->outstanding_extents -= num_extents; } else { + /* + * If dio write length has been split due to no large enough + * contiguous space, we need to compensate our inode counter + * appropriately. + */ + u64 num_needed = num_extents - dio_data->outstanding_extents; + spin_lock(&BTRFS_I(inode)->lock); - BTRFS_I(inode)->outstanding_extents += num_extents; + BTRFS_I(inode)->outstanding_extents += num_needed; spin_unlock(&BTRFS_I(inode)->lock); } } diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index f10bf5213ed8..eeffff84f280 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -37,6 +37,7 @@ */ #define LOG_INODE_ALL 0 #define LOG_INODE_EXISTS 1 +#define LOG_OTHER_INODE 2 /* * directory trouble cases @@ -4641,7 +4642,7 @@ static int btrfs_log_inode(struct btrfs_trans_handle *trans, if (S_ISDIR(inode->i_mode) || (!test_bit(BTRFS_INODE_NEEDS_FULL_SYNC, &BTRFS_I(inode)->runtime_flags) && - inode_only == LOG_INODE_EXISTS)) + inode_only >= LOG_INODE_EXISTS)) max_key.type = BTRFS_XATTR_ITEM_KEY; else max_key.type = (u8)-1; @@ -4665,7 +4666,13 @@ static int btrfs_log_inode(struct btrfs_trans_handle *trans, return ret; } - mutex_lock(&BTRFS_I(inode)->log_mutex); + if (inode_only == LOG_OTHER_INODE) { + inode_only = LOG_INODE_EXISTS; + mutex_lock_nested(&BTRFS_I(inode)->log_mutex, + SINGLE_DEPTH_NESTING); + } else { + mutex_lock(&BTRFS_I(inode)->log_mutex); + } /* * a brute force approach to making sure we get the most uptodate @@ -4817,7 +4824,7 @@ again: * unpin it. */ err = btrfs_log_inode(trans, root, other_inode, - LOG_INODE_EXISTS, + LOG_OTHER_INODE, 0, LLONG_MAX, ctx); iput(other_inode); if (err) diff --git a/fs/btrfs/uuid-tree.c b/fs/btrfs/uuid-tree.c index 161342b73ce5..726f928238d0 100644 --- a/fs/btrfs/uuid-tree.c +++ b/fs/btrfs/uuid-tree.c @@ -352,7 +352,5 @@ skip: out: btrfs_free_path(path); - if (ret) - btrfs_warn(fs_info, "btrfs_uuid_tree_iterate failed %d", ret); - return 0; + return ret; } diff --git a/fs/buffer.c b/fs/buffer.c index d21771fcf7d3..0e87401cf335 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -1660,7 +1660,7 @@ void clean_bdev_aliases(struct block_device *bdev, sector_t block, sector_t len) head = page_buffers(page); bh = head; do { - if (!buffer_mapped(bh)) + if (!buffer_mapped(bh) || (bh->b_blocknr < block)) goto next; if (bh->b_blocknr >= block + len) break; diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index 9cd0c0ea7cdb..e4b066cd912a 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -502,9 +502,9 @@ static struct ceph_snap_context *get_oldest_context(struct inode *inode, dout(" head snapc %p has %d dirty pages\n", snapc, ci->i_wrbuffer_ref_head); if (truncate_size) - *truncate_size = capsnap->truncate_size; + *truncate_size = ci->i_truncate_size; if (truncate_seq) - *truncate_seq = capsnap->truncate_seq; + *truncate_seq = ci->i_truncate_seq; } spin_unlock(&ci->i_ceph_lock); return snapc; diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index baea866a6751..94fd76d04683 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -2591,8 +2591,13 @@ int ceph_get_caps(struct ceph_inode_info *ci, int need, int want, add_wait_queue(&ci->i_cap_wq, &wait); while (!try_get_cap_refs(ci, need, want, endoff, - true, &_got, &err)) + true, &_got, &err)) { + if (signal_pending(current)) { + ret = -ERESTARTSYS; + break; + } wait_woken(&wait, TASK_INTERRUPTIBLE, MAX_SCHEDULE_TIMEOUT); + } remove_wait_queue(&ci->i_cap_wq, &wait); diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index d7a93696663b..8ab1fdf0bd49 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -1230,7 +1230,8 @@ static int ceph_d_revalidate(struct dentry *dentry, unsigned int flags) struct ceph_mds_client *mdsc = ceph_sb_to_client(dir->i_sb)->mdsc; struct ceph_mds_request *req; - int op, mask, err; + int op, err; + u32 mask; if (flags & LOOKUP_RCU) return -ECHILD; @@ -1245,7 +1246,7 @@ static int ceph_d_revalidate(struct dentry *dentry, unsigned int flags) mask = CEPH_STAT_CAP_INODE | CEPH_CAP_AUTH_SHARED; if (ceph_security_xattr_wanted(dir)) mask |= CEPH_CAP_XATTR_SHARED; - req->r_args.getattr.mask = mask; + req->r_args.getattr.mask = cpu_to_le32(mask); err = ceph_mdsc_do_request(mdsc, NULL, req); switch (err) { diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index 398e5328b309..5e659d054b40 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -305,7 +305,8 @@ static int frag_tree_split_cmp(const void *l, const void *r) { struct ceph_frag_tree_split *ls = (struct ceph_frag_tree_split*)l; struct ceph_frag_tree_split *rs = (struct ceph_frag_tree_split*)r; - return ceph_frag_compare(ls->frag, rs->frag); + return ceph_frag_compare(le32_to_cpu(ls->frag), + le32_to_cpu(rs->frag)); } static bool is_frag_child(u32 f, struct ceph_inode_frag *frag) diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index 4f49253387a0..c9d2e553a6c4 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -288,12 +288,13 @@ static int parse_reply_info_extra(void **p, void *end, struct ceph_mds_reply_info_parsed *info, u64 features) { - if (info->head->op == CEPH_MDS_OP_GETFILELOCK) + u32 op = le32_to_cpu(info->head->op); + + if (op == CEPH_MDS_OP_GETFILELOCK) return parse_reply_info_filelock(p, end, info, features); - else if (info->head->op == CEPH_MDS_OP_READDIR || - info->head->op == CEPH_MDS_OP_LSSNAP) + else if (op == CEPH_MDS_OP_READDIR || op == CEPH_MDS_OP_LSSNAP) return parse_reply_info_dir(p, end, info, features); - else if (info->head->op == CEPH_MDS_OP_CREATE) + else if (op == CEPH_MDS_OP_CREATE) return parse_reply_info_create(p, end, info, features); else return -EIO; @@ -2106,6 +2107,11 @@ static int __do_request(struct ceph_mds_client *mdsc, dout("do_request mdsmap err %d\n", err); goto finish; } + if (mdsc->mdsmap->m_epoch == 0) { + dout("do_request no mdsmap, waiting for map\n"); + list_add(&req->r_wait, &mdsc->waiting_for_map); + goto finish; + } if (!(mdsc->fsc->mount_options->flags & CEPH_MOUNT_OPT_MOUNTWAIT) && !ceph_mdsmap_is_cluster_available(mdsc->mdsmap)) { diff --git a/fs/coredump.c b/fs/coredump.c index e525b6017cdf..ae6b05629ca1 100644 --- a/fs/coredump.c +++ b/fs/coredump.c @@ -833,3 +833,21 @@ int dump_align(struct coredump_params *cprm, int align) return mod ? dump_skip(cprm, align - mod) : 1; } EXPORT_SYMBOL(dump_align); + +/* + * Ensures that file size is big enough to contain the current file + * postion. This prevents gdb from complaining about a truncated file + * if the last "write" to the file was dump_skip. + */ +void dump_truncate(struct coredump_params *cprm) +{ + struct file *file = cprm->file; + loff_t offset; + + if (file->f_op->llseek && file->f_op->llseek != no_llseek) { + offset = file->f_op->llseek(file, 0, SEEK_CUR); + if (i_size_read(file->f_mapping->host) < offset) + do_truncate(file->f_path.dentry, offset, 0, file); + } +} +EXPORT_SYMBOL(dump_truncate); diff --git a/fs/crypto/keyinfo.c b/fs/crypto/keyinfo.c index 6eeea1dcba41..95cd4c3b06c3 100644 --- a/fs/crypto/keyinfo.c +++ b/fs/crypto/keyinfo.c @@ -248,7 +248,8 @@ retry: goto out; if (fscrypt_dummy_context_enabled(inode)) { - memset(raw_key, 0x42, FS_AES_256_XTS_KEY_SIZE); + memset(raw_key, 0x42, keysize/2); + memset(raw_key+keysize/2, 0x24, keysize - (keysize/2)); goto got_key; } diff --git a/fs/crypto/policy.c b/fs/crypto/policy.c index 6ed7c2eebeec..d6cd7ea4851d 100644 --- a/fs/crypto/policy.c +++ b/fs/crypto/policy.c @@ -179,6 +179,11 @@ int fscrypt_has_permitted_context(struct inode *parent, struct inode *child) BUG_ON(1); } + /* No restrictions on file types which are never encrypted */ + if (!S_ISREG(child->i_mode) && !S_ISDIR(child->i_mode) && + !S_ISLNK(child->i_mode)) + return 1; + /* no restrictions if the parent directory is not encrypted */ if (!parent->i_sb->s_cop->is_encrypted(parent)) return 1; diff --git a/fs/dax.c b/fs/dax.c index 5c74f60d0a50..ddcddfeaa03b 100644 --- a/fs/dax.c +++ b/fs/dax.c @@ -691,8 +691,8 @@ static void dax_mapping_entry_mkclean(struct address_space *mapping, pgoff_t index, unsigned long pfn) { struct vm_area_struct *vma; - pte_t *ptep; - pte_t pte; + pte_t pte, *ptep = NULL; + pmd_t *pmdp = NULL; spinlock_t *ptl; bool changed; @@ -707,21 +707,42 @@ static void dax_mapping_entry_mkclean(struct address_space *mapping, address = pgoff_address(index, vma); changed = false; - if (follow_pte(vma->vm_mm, address, &ptep, &ptl)) + if (follow_pte_pmd(vma->vm_mm, address, &ptep, &pmdp, &ptl)) continue; - if (pfn != pte_pfn(*ptep)) - goto unlock; - if (!pte_dirty(*ptep) && !pte_write(*ptep)) - goto unlock; - flush_cache_page(vma, address, pfn); - pte = ptep_clear_flush(vma, address, ptep); - pte = pte_wrprotect(pte); - pte = pte_mkclean(pte); - set_pte_at(vma->vm_mm, address, ptep, pte); - changed = true; -unlock: - pte_unmap_unlock(ptep, ptl); + if (pmdp) { +#ifdef CONFIG_FS_DAX_PMD + pmd_t pmd; + + if (pfn != pmd_pfn(*pmdp)) + goto unlock_pmd; + if (!pmd_dirty(*pmdp) && !pmd_write(*pmdp)) + goto unlock_pmd; + + flush_cache_page(vma, address, pfn); + pmd = pmdp_huge_clear_flush(vma, address, pmdp); + pmd = pmd_wrprotect(pmd); + pmd = pmd_mkclean(pmd); + set_pmd_at(vma->vm_mm, address, pmdp, pmd); + changed = true; +unlock_pmd: + spin_unlock(ptl); +#endif + } else { + if (pfn != pte_pfn(*ptep)) + goto unlock_pte; + if (!pte_dirty(*ptep) && !pte_write(*ptep)) + goto unlock_pte; + + flush_cache_page(vma, address, pfn); + pte = ptep_clear_flush(vma, address, ptep); + pte = pte_wrprotect(pte); + pte = pte_mkclean(pte); + set_pte_at(vma->vm_mm, address, ptep, pte); + changed = true; +unlock_pte: + pte_unmap_unlock(ptep, ptl); + } if (changed) mmu_notifier_invalidate_page(vma->vm_mm, address); diff --git a/fs/dcache.c b/fs/dcache.c index 769903dbc19d..95d71eda8142 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -1336,8 +1336,11 @@ int d_set_mounted(struct dentry *dentry) } spin_lock(&dentry->d_lock); if (!d_unlinked(dentry)) { - dentry->d_flags |= DCACHE_MOUNTED; - ret = 0; + ret = -EBUSY; + if (!d_mountpoint(dentry)) { + dentry->d_flags |= DCACHE_MOUNTED; + ret = 0; + } } spin_unlock(&dentry->d_lock); out: diff --git a/fs/direct-io.c b/fs/direct-io.c index aeae8c063451..c87bae4376b8 100644 --- a/fs/direct-io.c +++ b/fs/direct-io.c @@ -906,6 +906,7 @@ static int do_direct_IO(struct dio *dio, struct dio_submit *sdio, struct buffer_head *map_bh) { const unsigned blkbits = sdio->blkbits; + const unsigned i_blkbits = blkbits + sdio->blkfactor; int ret = 0; while (sdio->block_in_file < sdio->final_block_in_request) { @@ -949,7 +950,7 @@ static int do_direct_IO(struct dio *dio, struct dio_submit *sdio, clean_bdev_aliases( map_bh->b_bdev, map_bh->b_blocknr, - map_bh->b_size >> blkbits); + map_bh->b_size >> i_blkbits); } if (!sdio->blkfactor) diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 0738f48293cc..0d8802453758 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -713,8 +713,8 @@ static int __f2fs_issue_discard_zone(struct f2fs_sb_info *sbi, } sector = SECTOR_FROM_BLOCK(blkstart); - if (sector & (bdev_zone_size(bdev) - 1) || - nr_sects != bdev_zone_size(bdev)) { + if (sector & (bdev_zone_sectors(bdev) - 1) || + nr_sects != bdev_zone_sectors(bdev)) { f2fs_msg(sbi->sb, KERN_INFO, "(%d) %s: Unaligned discard attempted (block %x + %x)", devi, sbi->s_ndevs ? FDEV(devi).path: "", diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 702638e21c76..46fd30d8af77 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -1553,16 +1553,16 @@ static int init_blkz_info(struct f2fs_sb_info *sbi, int devi) return 0; if (sbi->blocks_per_blkz && sbi->blocks_per_blkz != - SECTOR_TO_BLOCK(bdev_zone_size(bdev))) + SECTOR_TO_BLOCK(bdev_zone_sectors(bdev))) return -EINVAL; - sbi->blocks_per_blkz = SECTOR_TO_BLOCK(bdev_zone_size(bdev)); + sbi->blocks_per_blkz = SECTOR_TO_BLOCK(bdev_zone_sectors(bdev)); if (sbi->log_blocks_per_blkz && sbi->log_blocks_per_blkz != __ilog2_u32(sbi->blocks_per_blkz)) return -EINVAL; sbi->log_blocks_per_blkz = __ilog2_u32(sbi->blocks_per_blkz); FDEV(devi).nr_blkz = SECTOR_TO_BLOCK(nr_sectors) >> sbi->log_blocks_per_blkz; - if (nr_sectors & (bdev_zone_size(bdev) - 1)) + if (nr_sectors & (bdev_zone_sectors(bdev) - 1)) FDEV(devi).nr_blkz++; FDEV(devi).blkz_type = kmalloc(FDEV(devi).nr_blkz, GFP_KERNEL); diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index 70ea57c7b6bb..4e06a27ed7f8 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -2025,7 +2025,6 @@ static void end_requests(struct fuse_conn *fc, struct list_head *head) struct fuse_req *req; req = list_entry(head->next, struct fuse_req, list); req->out.h.error = -ECONNABORTED; - clear_bit(FR_PENDING, &req->flags); clear_bit(FR_SENT, &req->flags); list_del_init(&req->list); request_end(fc, req); @@ -2103,6 +2102,8 @@ void fuse_abort_conn(struct fuse_conn *fc) spin_lock(&fiq->waitq.lock); fiq->connected = 0; list_splice_init(&fiq->pending, &to_end2); + list_for_each_entry(req, &to_end2, list) + clear_bit(FR_PENDING, &req->flags); while (forget_pending(fiq)) kfree(dequeue_forget(fiq, 1, NULL)); wake_up_all_locked(&fiq->waitq); diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index 1f7c732f32b0..811fd8929a18 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -68,7 +68,7 @@ static u64 time_to_jiffies(u64 sec, u32 nsec) if (sec || nsec) { struct timespec64 ts = { sec, - max_t(u32, nsec, NSEC_PER_SEC - 1) + min_t(u32, nsec, NSEC_PER_SEC - 1) }; return get_jiffies_64() + timespec64_to_jiffies(&ts); diff --git a/fs/libfs.c b/fs/libfs.c index e973cd51f126..28d6f35feed6 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -245,7 +245,8 @@ struct dentry *mount_pseudo_xattr(struct file_system_type *fs_type, char *name, struct inode *root; struct qstr d_name = QSTR_INIT(name, strlen(name)); - s = sget(fs_type, NULL, set_anon_super, MS_NOUSER, NULL); + s = sget_userns(fs_type, NULL, set_anon_super, MS_KERNMOUNT|MS_NOUSER, + &init_user_ns, NULL); if (IS_ERR(s)) return ERR_CAST(s); diff --git a/fs/namespace.c b/fs/namespace.c index b5b1259e064f..487ba30bb5c6 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -742,26 +742,50 @@ static struct mountpoint *lookup_mountpoint(struct dentry *dentry) return NULL; } -static struct mountpoint *new_mountpoint(struct dentry *dentry) +static struct mountpoint *get_mountpoint(struct dentry *dentry) { - struct hlist_head *chain = mp_hash(dentry); - struct mountpoint *mp; + struct mountpoint *mp, *new = NULL; int ret; - mp = kmalloc(sizeof(struct mountpoint), GFP_KERNEL); - if (!mp) + if (d_mountpoint(dentry)) { +mountpoint: + read_seqlock_excl(&mount_lock); + mp = lookup_mountpoint(dentry); + read_sequnlock_excl(&mount_lock); + if (mp) + goto done; + } + + if (!new) + new = kmalloc(sizeof(struct mountpoint), GFP_KERNEL); + if (!new) return ERR_PTR(-ENOMEM); + + /* Exactly one processes may set d_mounted */ ret = d_set_mounted(dentry); - if (ret) { - kfree(mp); - return ERR_PTR(ret); - } - mp->m_dentry = dentry; - mp->m_count = 1; - hlist_add_head(&mp->m_hash, chain); - INIT_HLIST_HEAD(&mp->m_list); + /* Someone else set d_mounted? */ + if (ret == -EBUSY) + goto mountpoint; + + /* The dentry is not available as a mountpoint? */ + mp = ERR_PTR(ret); + if (ret) + goto done; + + /* Add the new mountpoint to the hash table */ + read_seqlock_excl(&mount_lock); + new->m_dentry = dentry; + new->m_count = 1; + hlist_add_head(&new->m_hash, mp_hash(dentry)); + INIT_HLIST_HEAD(&new->m_list); + read_sequnlock_excl(&mount_lock); + + mp = new; + new = NULL; +done: + kfree(new); return mp; } @@ -1595,11 +1619,11 @@ void __detach_mounts(struct dentry *dentry) struct mount *mnt; namespace_lock(); + lock_mount_hash(); mp = lookup_mountpoint(dentry); if (IS_ERR_OR_NULL(mp)) goto out_unlock; - lock_mount_hash(); event++; while (!hlist_empty(&mp->m_list)) { mnt = hlist_entry(mp->m_list.first, struct mount, mnt_mp_list); @@ -1609,9 +1633,9 @@ void __detach_mounts(struct dentry *dentry) } else umount_tree(mnt, UMOUNT_CONNECTED); } - unlock_mount_hash(); put_mountpoint(mp); out_unlock: + unlock_mount_hash(); namespace_unlock(); } @@ -2038,9 +2062,7 @@ retry: namespace_lock(); mnt = lookup_mnt(path); if (likely(!mnt)) { - struct mountpoint *mp = lookup_mountpoint(dentry); - if (!mp) - mp = new_mountpoint(dentry); + struct mountpoint *mp = get_mountpoint(dentry); if (IS_ERR(mp)) { namespace_unlock(); inode_unlock(dentry->d_inode); @@ -2059,7 +2081,11 @@ retry: static void unlock_mount(struct mountpoint *where) { struct dentry *dentry = where->m_dentry; + + read_seqlock_excl(&mount_lock); put_mountpoint(where); + read_sequnlock_excl(&mount_lock); + namespace_unlock(); inode_unlock(dentry->d_inode); } @@ -3135,9 +3161,9 @@ SYSCALL_DEFINE2(pivot_root, const char __user *, new_root, touch_mnt_namespace(current->nsproxy->mnt_ns); /* A moved mount should not expire automatically */ list_del_init(&new_mnt->mnt_expire); + put_mountpoint(root_mp); unlock_mount_hash(); chroot_fs_refs(&root, &new); - put_mountpoint(root_mp); error = 0; out4: unlock_mount(old_mp); diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 6dcbc5defb7a..ecc151697fd4 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -38,7 +38,6 @@ #include <linux/mm.h> #include <linux/delay.h> #include <linux/errno.h> -#include <linux/file.h> #include <linux/string.h> #include <linux/ratelimit.h> #include <linux/printk.h> @@ -1083,7 +1082,8 @@ int nfs4_call_sync(struct rpc_clnt *clnt, return nfs4_call_sync_sequence(clnt, server, msg, args, res); } -static void update_changeattr(struct inode *dir, struct nfs4_change_info *cinfo) +static void update_changeattr(struct inode *dir, struct nfs4_change_info *cinfo, + unsigned long timestamp) { struct nfs_inode *nfsi = NFS_I(dir); @@ -1099,6 +1099,7 @@ static void update_changeattr(struct inode *dir, struct nfs4_change_info *cinfo) NFS_INO_INVALID_ACL; } dir->i_version = cinfo->after; + nfsi->read_cache_jiffies = timestamp; nfsi->attr_gencount = nfs_inc_attr_generation_counter(); nfs_fscache_invalidate(dir); spin_unlock(&dir->i_lock); @@ -2391,11 +2392,13 @@ static int _nfs4_proc_open(struct nfs4_opendata *data) nfs_fattr_map_and_free_names(server, &data->f_attr); if (o_arg->open_flags & O_CREAT) { - update_changeattr(dir, &o_res->cinfo); if (o_arg->open_flags & O_EXCL) data->file_created = 1; else if (o_res->cinfo.before != o_res->cinfo.after) data->file_created = 1; + if (data->file_created || dir->i_version != o_res->cinfo.after) + update_changeattr(dir, &o_res->cinfo, + o_res->f_attr->time_start); } if ((o_res->rflags & NFS4_OPEN_RESULT_LOCKTYPE_POSIX) == 0) server->caps &= ~NFS_CAP_POSIX_LOCK; @@ -4073,11 +4076,12 @@ static int _nfs4_proc_remove(struct inode *dir, const struct qstr *name) .rpc_argp = &args, .rpc_resp = &res, }; + unsigned long timestamp = jiffies; int status; status = nfs4_call_sync(server->client, server, &msg, &args.seq_args, &res.seq_res, 1); if (status == 0) - update_changeattr(dir, &res.cinfo); + update_changeattr(dir, &res.cinfo, timestamp); return status; } @@ -4125,7 +4129,8 @@ static int nfs4_proc_unlink_done(struct rpc_task *task, struct inode *dir) if (nfs4_async_handle_error(task, res->server, NULL, &data->timeout) == -EAGAIN) return 0; - update_changeattr(dir, &res->cinfo); + if (task->tk_status == 0) + update_changeattr(dir, &res->cinfo, res->dir_attr->time_start); return 1; } @@ -4159,8 +4164,11 @@ static int nfs4_proc_rename_done(struct rpc_task *task, struct inode *old_dir, if (nfs4_async_handle_error(task, res->server, NULL, &data->timeout) == -EAGAIN) return 0; - update_changeattr(old_dir, &res->old_cinfo); - update_changeattr(new_dir, &res->new_cinfo); + if (task->tk_status == 0) { + update_changeattr(old_dir, &res->old_cinfo, res->old_fattr->time_start); + if (new_dir != old_dir) + update_changeattr(new_dir, &res->new_cinfo, res->new_fattr->time_start); + } return 1; } @@ -4197,7 +4205,7 @@ static int _nfs4_proc_link(struct inode *inode, struct inode *dir, const struct status = nfs4_call_sync(server->client, server, &msg, &arg.seq_args, &res.seq_res, 1); if (!status) { - update_changeattr(dir, &res.cinfo); + update_changeattr(dir, &res.cinfo, res.fattr->time_start); status = nfs_post_op_update_inode(inode, res.fattr); if (!status) nfs_setsecurity(inode, res.fattr, res.label); @@ -4272,7 +4280,8 @@ static int nfs4_do_create(struct inode *dir, struct dentry *dentry, struct nfs4_ int status = nfs4_call_sync(NFS_SERVER(dir)->client, NFS_SERVER(dir), &data->msg, &data->arg.seq_args, &data->res.seq_res, 1); if (status == 0) { - update_changeattr(dir, &data->res.dir_cinfo); + update_changeattr(dir, &data->res.dir_cinfo, + data->res.fattr->time_start); status = nfs_instantiate(dentry, data->res.fh, data->res.fattr, data->res.label); } return status; @@ -6127,7 +6136,6 @@ static struct nfs4_lockdata *nfs4_alloc_lockdata(struct file_lock *fl, p->server = server; atomic_inc(&lsp->ls_count); p->ctx = get_nfs_open_context(ctx); - get_file(fl->fl_file); memcpy(&p->fl, fl, sizeof(p->fl)); return p; out_free_seqid: @@ -6240,7 +6248,6 @@ static void nfs4_lock_release(void *calldata) nfs_free_seqid(data->arg.lock_seqid); nfs4_put_lock_state(data->lsp); put_nfs_open_context(data->ctx); - fput(data->fl.fl_file); kfree(data); dprintk("%s: done!\n", __func__); } diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index 1d152f4470cd..90e6193ce6be 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -1729,7 +1729,6 @@ static int nfs4_recovery_handle_error(struct nfs_client *clp, int error) break; case -NFS4ERR_STALE_CLIENTID: set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state); - nfs4_state_clear_reclaim_reboot(clp); nfs4_state_start_reclaim_reboot(clp); break; case -NFS4ERR_EXPIRED: diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 7ecf16be4a44..8fae53ce21d1 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -2440,7 +2440,9 @@ nfsd4_encode_fattr(struct xdr_stream *xdr, struct svc_fh *fhp, p++; /* to be backfilled later */ if (bmval0 & FATTR4_WORD0_SUPPORTED_ATTRS) { - u32 *supp = nfsd_suppattrs[minorversion]; + u32 supp[3]; + + memcpy(supp, nfsd_suppattrs[minorversion], sizeof(supp)); if (!IS_POSIXACL(dentry->d_inode)) supp[0] &= ~FATTR4_WORD0_ACL; diff --git a/fs/notify/mark.c b/fs/notify/mark.c index d3fea0bd89e2..6043306e8e21 100644 --- a/fs/notify/mark.c +++ b/fs/notify/mark.c @@ -510,18 +510,6 @@ void fsnotify_detach_group_marks(struct fsnotify_group *group) } } -void fsnotify_duplicate_mark(struct fsnotify_mark *new, struct fsnotify_mark *old) -{ - assert_spin_locked(&old->lock); - new->inode = old->inode; - new->mnt = old->mnt; - if (old->group) - fsnotify_get_group(old->group); - new->group = old->group; - new->mask = old->mask; - new->free_mark = old->free_mark; -} - /* * Nothing fancy, just initialize lists and locks and counters. */ diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c index 83d576f6a287..77d1632e905d 100644 --- a/fs/ocfs2/dlmglue.c +++ b/fs/ocfs2/dlmglue.c @@ -3303,6 +3303,16 @@ static int ocfs2_downconvert_lock(struct ocfs2_super *osb, mlog(ML_BASTS, "lockres %s, level %d => %d\n", lockres->l_name, lockres->l_level, new_level); + /* + * On DLM_LKF_VALBLK, fsdlm behaves differently with o2cb. It always + * expects DLM_LKF_VALBLK being set if the LKB has LVB, so that + * we can recover correctly from node failure. Otherwise, we may get + * invalid LVB in LKB, but without DLM_SBF_VALNOTVALIDÂ being set. + */ + if (!ocfs2_is_o2cb_active() && + lockres->l_ops->flags & LOCK_TYPE_USES_LVB) + lvb = 1; + if (lvb) dlm_flags |= DLM_LKF_VALBLK; diff --git a/fs/ocfs2/stackglue.c b/fs/ocfs2/stackglue.c index 52c07346bea3..820359096c7a 100644 --- a/fs/ocfs2/stackglue.c +++ b/fs/ocfs2/stackglue.c @@ -48,6 +48,12 @@ static char ocfs2_hb_ctl_path[OCFS2_MAX_HB_CTL_PATH] = "/sbin/ocfs2_hb_ctl"; */ static struct ocfs2_stack_plugin *active_stack; +inline int ocfs2_is_o2cb_active(void) +{ + return !strcmp(active_stack->sp_name, OCFS2_STACK_PLUGIN_O2CB); +} +EXPORT_SYMBOL_GPL(ocfs2_is_o2cb_active); + static struct ocfs2_stack_plugin *ocfs2_stack_lookup(const char *name) { struct ocfs2_stack_plugin *p; diff --git a/fs/ocfs2/stackglue.h b/fs/ocfs2/stackglue.h index f2dce10fae54..e3036e1790e8 100644 --- a/fs/ocfs2/stackglue.h +++ b/fs/ocfs2/stackglue.h @@ -298,6 +298,9 @@ void ocfs2_stack_glue_set_max_proto_version(struct ocfs2_protocol_version *max_p int ocfs2_stack_glue_register(struct ocfs2_stack_plugin *plugin); void ocfs2_stack_glue_unregister(struct ocfs2_stack_plugin *plugin); +/* In ocfs2_downconvert_lock(), we need to know which stack we are using */ +int ocfs2_is_o2cb_active(void); + extern struct kset *ocfs2_kset; #endif /* STACKGLUE_H */ diff --git a/fs/overlayfs/namei.c b/fs/overlayfs/namei.c index 9ad48d9202a9..023bb0b03352 100644 --- a/fs/overlayfs/namei.c +++ b/fs/overlayfs/namei.c @@ -154,29 +154,38 @@ out_err: static int ovl_lookup_layer(struct dentry *base, struct ovl_lookup_data *d, struct dentry **ret) { - const char *s = d->name.name; + /* Counting down from the end, since the prefix can change */ + size_t rem = d->name.len - 1; struct dentry *dentry = NULL; int err; - if (*s != '/') + if (d->name.name[0] != '/') return ovl_lookup_single(base, d, d->name.name, d->name.len, 0, "", ret); - while (*s++ == '/' && !IS_ERR_OR_NULL(base) && d_can_lookup(base)) { + while (!IS_ERR_OR_NULL(base) && d_can_lookup(base)) { + const char *s = d->name.name + d->name.len - rem; const char *next = strchrnul(s, '/'); - size_t slen = strlen(s); + size_t thislen = next - s; + bool end = !next[0]; - if (WARN_ON(slen > d->name.len) || - WARN_ON(strcmp(d->name.name + d->name.len - slen, s))) + /* Verify we did not go off the rails */ + if (WARN_ON(s[-1] != '/')) return -EIO; - err = ovl_lookup_single(base, d, s, next - s, - d->name.len - slen, next, &base); + err = ovl_lookup_single(base, d, s, thislen, + d->name.len - rem, next, &base); dput(dentry); if (err) return err; dentry = base; - s = next; + if (end) + break; + + rem -= thislen + 1; + + if (WARN_ON(rem >= d->name.len)) + return -EIO; } *ret = dentry; return 0; diff --git a/fs/posix_acl.c b/fs/posix_acl.c index 595522022aca..c9d48dc78495 100644 --- a/fs/posix_acl.c +++ b/fs/posix_acl.c @@ -922,11 +922,10 @@ int simple_set_acl(struct inode *inode, struct posix_acl *acl, int type) int error; if (type == ACL_TYPE_ACCESS) { - error = posix_acl_equiv_mode(acl, &inode->i_mode); - if (error < 0) - return 0; - if (error == 0) - acl = NULL; + error = posix_acl_update_mode(inode, + &inode->i_mode, &acl); + if (error) + return error; } inode->i_ctime = current_time(inode); diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c index 55313d994895..d4e37acd4821 100644 --- a/fs/proc/proc_sysctl.c +++ b/fs/proc/proc_sysctl.c @@ -709,7 +709,7 @@ static int proc_sys_readdir(struct file *file, struct dir_context *ctx) ctl_dir = container_of(head, struct ctl_dir, header); if (!dir_emit_dots(file, ctx)) - return 0; + goto out; pos = 2; @@ -719,6 +719,7 @@ static int proc_sys_readdir(struct file *file, struct dir_context *ctx) break; } } +out: sysctl_head_finish(head); return 0; } diff --git a/fs/ubifs/Kconfig b/fs/ubifs/Kconfig index 0a908ae7af13..b0d0623c83ed 100644 --- a/fs/ubifs/Kconfig +++ b/fs/ubifs/Kconfig @@ -53,7 +53,7 @@ config UBIFS_ATIME_SUPPORT config UBIFS_FS_ENCRYPTION bool "UBIFS Encryption" - depends on UBIFS_FS + depends on UBIFS_FS && BLOCK select FS_ENCRYPTION default n help diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c index 1c5331ac9614..528369f3e472 100644 --- a/fs/ubifs/dir.c +++ b/fs/ubifs/dir.c @@ -390,16 +390,6 @@ static int do_tmpfile(struct inode *dir, struct dentry *dentry, dbg_gen("dent '%pd', mode %#hx in dir ino %lu", dentry, mode, dir->i_ino); - if (ubifs_crypt_is_encrypted(dir)) { - err = fscrypt_get_encryption_info(dir); - if (err) - return err; - - if (!fscrypt_has_encryption_key(dir)) { - return -EPERM; - } - } - err = fscrypt_setup_filename(dir, &dentry->d_name, 0, &nm); if (err) return err; @@ -741,17 +731,9 @@ static int ubifs_link(struct dentry *old_dentry, struct inode *dir, ubifs_assert(inode_is_locked(dir)); ubifs_assert(inode_is_locked(inode)); - if (ubifs_crypt_is_encrypted(dir)) { - if (!fscrypt_has_permitted_context(dir, inode)) - return -EPERM; - - err = fscrypt_get_encryption_info(inode); - if (err) - return err; - - if (!fscrypt_has_encryption_key(inode)) - return -EPERM; - } + if (ubifs_crypt_is_encrypted(dir) && + !fscrypt_has_permitted_context(dir, inode)) + return -EPERM; err = fscrypt_setup_filename(dir, &dentry->d_name, 0, &nm); if (err) @@ -1000,17 +982,6 @@ static int ubifs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) if (err) return err; - if (ubifs_crypt_is_encrypted(dir)) { - err = fscrypt_get_encryption_info(dir); - if (err) - goto out_budg; - - if (!fscrypt_has_encryption_key(dir)) { - err = -EPERM; - goto out_budg; - } - } - err = fscrypt_setup_filename(dir, &dentry->d_name, 0, &nm); if (err) goto out_budg; @@ -1096,17 +1067,6 @@ static int ubifs_mknod(struct inode *dir, struct dentry *dentry, return err; } - if (ubifs_crypt_is_encrypted(dir)) { - err = fscrypt_get_encryption_info(dir); - if (err) - goto out_budg; - - if (!fscrypt_has_encryption_key(dir)) { - err = -EPERM; - goto out_budg; - } - } - err = fscrypt_setup_filename(dir, &dentry->d_name, 0, &nm); if (err) goto out_budg; @@ -1231,18 +1191,6 @@ static int ubifs_symlink(struct inode *dir, struct dentry *dentry, goto out_inode; } - err = fscrypt_get_encryption_info(inode); - if (err) { - kfree(sd); - goto out_inode; - } - - if (!fscrypt_has_encryption_key(inode)) { - kfree(sd); - err = -EPERM; - goto out_inode; - } - ostr.name = sd->encrypted_path; ostr.len = disk_link.len; diff --git a/fs/ubifs/ioctl.c b/fs/ubifs/ioctl.c index 78d713644df3..da519ba205f6 100644 --- a/fs/ubifs/ioctl.c +++ b/fs/ubifs/ioctl.c @@ -217,6 +217,9 @@ long ubifs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) case FS_IOC32_SETFLAGS: cmd = FS_IOC_SETFLAGS; break; + case FS_IOC_SET_ENCRYPTION_POLICY: + case FS_IOC_GET_ENCRYPTION_POLICY: + break; default: return -ENOIOCTLCMD; } diff --git a/fs/ubifs/journal.c b/fs/ubifs/journal.c index a459211a1c21..294519b98874 100644 --- a/fs/ubifs/journal.c +++ b/fs/ubifs/journal.c @@ -744,6 +744,7 @@ int ubifs_jnl_write_data(struct ubifs_info *c, const struct inode *inode, } else { data->compr_size = 0; + out_len = compr_len; } dlen = UBIFS_DATA_NODE_SZ + out_len; @@ -1319,6 +1320,7 @@ static int truncate_data_node(const struct ubifs_info *c, const struct inode *in dn->compr_type = cpu_to_le16(compr_type); dn->size = cpu_to_le32(*new_len); *new_len = UBIFS_DATA_NODE_SZ + out_len; + err = 0; out: kfree(buf); return err; diff --git a/fs/ubifs/tnc.c b/fs/ubifs/tnc.c index 74ae2de949df..709aa098dd46 100644 --- a/fs/ubifs/tnc.c +++ b/fs/ubifs/tnc.c @@ -34,6 +34,11 @@ #include <linux/slab.h> #include "ubifs.h" +static int try_read_node(const struct ubifs_info *c, void *buf, int type, + int len, int lnum, int offs); +static int fallible_read_node(struct ubifs_info *c, const union ubifs_key *key, + struct ubifs_zbranch *zbr, void *node); + /* * Returned codes of 'matches_name()' and 'fallible_matches_name()' functions. * @NAME_LESS: name corresponding to the first argument is less than second @@ -402,7 +407,19 @@ static int tnc_read_hashed_node(struct ubifs_info *c, struct ubifs_zbranch *zbr, return 0; } - err = ubifs_tnc_read_node(c, zbr, node); + if (c->replaying) { + err = fallible_read_node(c, &zbr->key, zbr, node); + /* + * When the node was not found, return -ENOENT, 0 otherwise. + * Negative return codes stay as-is. + */ + if (err == 0) + err = -ENOENT; + else if (err == 1) + err = 0; + } else { + err = ubifs_tnc_read_node(c, zbr, node); + } if (err) return err; @@ -2857,7 +2874,11 @@ struct ubifs_dent_node *ubifs_tnc_next_ent(struct ubifs_info *c, if (fname_len(nm) > 0) { if (err) { /* Handle collisions */ - err = resolve_collision(c, key, &znode, &n, nm); + if (c->replaying) + err = fallible_resolve_collision(c, key, &znode, &n, + nm, 0); + else + err = resolve_collision(c, key, &znode, &n, nm); dbg_tnc("rc returned %d, znode %p, n %d", err, znode, n); if (unlikely(err < 0)) diff --git a/fs/xfs/libxfs/xfs_ag_resv.c b/fs/xfs/libxfs/xfs_ag_resv.c index e5ebc3770460..d346d42c54d1 100644 --- a/fs/xfs/libxfs/xfs_ag_resv.c +++ b/fs/xfs/libxfs/xfs_ag_resv.c @@ -256,6 +256,9 @@ xfs_ag_resv_init( goto out; } + ASSERT(xfs_perag_resv(pag, XFS_AG_RESV_METADATA)->ar_reserved + + xfs_perag_resv(pag, XFS_AG_RESV_AGFL)->ar_reserved <= + pag->pagf_freeblks + pag->pagf_flcount); out: return error; } diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index 5050056a0b06..9f06a211e157 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -95,10 +95,7 @@ unsigned int xfs_alloc_set_aside( struct xfs_mount *mp) { - unsigned int blocks; - - blocks = 4 + (mp->m_sb.sb_agcount * XFS_ALLOC_AGFL_RESERVE); - return blocks; + return mp->m_sb.sb_agcount * (XFS_ALLOC_AGFL_RESERVE + 4); } /* @@ -365,36 +362,12 @@ xfs_alloc_fix_len( return; ASSERT(rlen >= args->minlen && rlen <= args->maxlen); ASSERT(rlen % args->prod == args->mod); + ASSERT(args->pag->pagf_freeblks + args->pag->pagf_flcount >= + rlen + args->minleft); args->len = rlen; } /* - * Fix up length if there is too little space left in the a.g. - * Return 1 if ok, 0 if too little, should give up. - */ -STATIC int -xfs_alloc_fix_minleft( - xfs_alloc_arg_t *args) /* allocation argument structure */ -{ - xfs_agf_t *agf; /* a.g. freelist header */ - int diff; /* free space difference */ - - if (args->minleft == 0) - return 1; - agf = XFS_BUF_TO_AGF(args->agbp); - diff = be32_to_cpu(agf->agf_freeblks) - - args->len - args->minleft; - if (diff >= 0) - return 1; - args->len += diff; /* shrink the allocated space */ - /* casts to (int) catch length underflows */ - if ((int)args->len >= (int)args->minlen) - return 1; - args->agbno = NULLAGBLOCK; - return 0; -} - -/* * Update the two btrees, logically removing from freespace the extent * starting at rbno, rlen blocks. The extent is contained within the * actual (current) free extent fbno for flen blocks. @@ -689,8 +662,6 @@ xfs_alloc_ag_vextent( xfs_alloc_arg_t *args) /* argument structure for allocation */ { int error=0; - xfs_extlen_t reservation; - xfs_extlen_t oldmax; ASSERT(args->minlen > 0); ASSERT(args->maxlen > 0); @@ -699,20 +670,6 @@ xfs_alloc_ag_vextent( ASSERT(args->alignment > 0); /* - * Clamp maxlen to the amount of free space minus any reservations - * that have been made. - */ - oldmax = args->maxlen; - reservation = xfs_ag_resv_needed(args->pag, args->resv); - if (args->maxlen > args->pag->pagf_freeblks - reservation) - args->maxlen = args->pag->pagf_freeblks - reservation; - if (args->maxlen == 0) { - args->agbno = NULLAGBLOCK; - args->maxlen = oldmax; - return 0; - } - - /* * Branch to correct routine based on the type. */ args->wasfromfl = 0; @@ -731,8 +688,6 @@ xfs_alloc_ag_vextent( /* NOTREACHED */ } - args->maxlen = oldmax; - if (error || args->agbno == NULLAGBLOCK) return error; @@ -841,9 +796,6 @@ xfs_alloc_ag_vextent_exact( args->len = XFS_AGBLOCK_MIN(tend, args->agbno + args->maxlen) - args->agbno; xfs_alloc_fix_len(args); - if (!xfs_alloc_fix_minleft(args)) - goto not_found; - ASSERT(args->agbno + args->len <= tend); /* @@ -1149,12 +1101,7 @@ restart: XFS_WANT_CORRUPTED_GOTO(args->mp, i == 1, error0); ASSERT(ltbno + ltlen <= be32_to_cpu(XFS_BUF_TO_AGF(args->agbp)->agf_length)); args->len = blen; - if (!xfs_alloc_fix_minleft(args)) { - xfs_btree_del_cursor(cnt_cur, XFS_BTREE_NOERROR); - trace_xfs_alloc_near_nominleft(args); - return 0; - } - blen = args->len; + /* * We are allocating starting at bnew for blen blocks. */ @@ -1346,12 +1293,6 @@ restart: */ args->len = XFS_EXTLEN_MIN(ltlena, args->maxlen); xfs_alloc_fix_len(args); - if (!xfs_alloc_fix_minleft(args)) { - trace_xfs_alloc_near_nominleft(args); - xfs_btree_del_cursor(bno_cur_lt, XFS_BTREE_NOERROR); - xfs_btree_del_cursor(cnt_cur, XFS_BTREE_NOERROR); - return 0; - } rlen = args->len; (void)xfs_alloc_compute_diff(args->agbno, rlen, args->alignment, args->datatype, ltbnoa, ltlena, <new); @@ -1553,8 +1494,6 @@ restart: } xfs_alloc_fix_len(args); - if (!xfs_alloc_fix_minleft(args)) - goto out_nominleft; rlen = args->len; XFS_WANT_CORRUPTED_GOTO(args->mp, rlen <= flen, error0); /* @@ -2056,7 +1995,7 @@ xfs_alloc_space_available( int flags) { struct xfs_perag *pag = args->pag; - xfs_extlen_t longest; + xfs_extlen_t alloc_len, longest; xfs_extlen_t reservation; /* blocks that are still reserved */ int available; @@ -2066,17 +2005,28 @@ xfs_alloc_space_available( reservation = xfs_ag_resv_needed(pag, args->resv); /* do we have enough contiguous free space for the allocation? */ + alloc_len = args->minlen + (args->alignment - 1) + args->minalignslop; longest = xfs_alloc_longest_free_extent(args->mp, pag, min_free, reservation); - if ((args->minlen + args->alignment + args->minalignslop - 1) > longest) + if (longest < alloc_len) return false; /* do we have enough free space remaining for the allocation? */ available = (int)(pag->pagf_freeblks + pag->pagf_flcount - - reservation - min_free - args->total); - if (available < (int)args->minleft || available <= 0) + reservation - min_free - args->minleft); + if (available < (int)max(args->total, alloc_len)) return false; + /* + * Clamp maxlen to the amount of free space available for the actual + * extent allocation. + */ + if (available < (int)args->maxlen && !(flags & XFS_ALLOC_FLAG_CHECK)) { + args->maxlen = available; + ASSERT(args->maxlen > 0); + ASSERT(args->maxlen >= args->minlen); + } + return true; } @@ -2122,7 +2072,8 @@ xfs_alloc_fix_freelist( } need = xfs_alloc_min_freelist(mp, pag); - if (!xfs_alloc_space_available(args, need, flags)) + if (!xfs_alloc_space_available(args, need, flags | + XFS_ALLOC_FLAG_CHECK)) goto out_agbp_relse; /* @@ -2638,12 +2589,10 @@ xfs_alloc_vextent( xfs_agblock_t agsize; /* allocation group size */ int error; int flags; /* XFS_ALLOC_FLAG_... locking flags */ - xfs_extlen_t minleft;/* minimum left value, temp copy */ xfs_mount_t *mp; /* mount structure pointer */ xfs_agnumber_t sagno; /* starting allocation group number */ xfs_alloctype_t type; /* input allocation type */ int bump_rotor = 0; - int no_min = 0; xfs_agnumber_t rotorstep = xfs_rotorstep; /* inode32 agf stepper */ mp = args->mp; @@ -2672,7 +2621,6 @@ xfs_alloc_vextent( trace_xfs_alloc_vextent_badargs(args); return 0; } - minleft = args->minleft; switch (type) { case XFS_ALLOCTYPE_THIS_AG: @@ -2683,9 +2631,7 @@ xfs_alloc_vextent( */ args->agno = XFS_FSB_TO_AGNO(mp, args->fsbno); args->pag = xfs_perag_get(mp, args->agno); - args->minleft = 0; error = xfs_alloc_fix_freelist(args, 0); - args->minleft = minleft; if (error) { trace_xfs_alloc_vextent_nofix(args); goto error0; @@ -2750,9 +2696,7 @@ xfs_alloc_vextent( */ for (;;) { args->pag = xfs_perag_get(mp, args->agno); - if (no_min) args->minleft = 0; error = xfs_alloc_fix_freelist(args, flags); - args->minleft = minleft; if (error) { trace_xfs_alloc_vextent_nofix(args); goto error0; @@ -2792,20 +2736,17 @@ xfs_alloc_vextent( * or switch to non-trylock mode. */ if (args->agno == sagno) { - if (no_min == 1) { + if (flags == 0) { args->agbno = NULLAGBLOCK; trace_xfs_alloc_vextent_allfailed(args); break; } - if (flags == 0) { - no_min = 1; - } else { - flags = 0; - if (type == XFS_ALLOCTYPE_START_BNO) { - args->agbno = XFS_FSB_TO_AGBNO(mp, - args->fsbno); - args->type = XFS_ALLOCTYPE_NEAR_BNO; - } + + flags = 0; + if (type == XFS_ALLOCTYPE_START_BNO) { + args->agbno = XFS_FSB_TO_AGBNO(mp, + args->fsbno); + args->type = XFS_ALLOCTYPE_NEAR_BNO; } } xfs_perag_put(args->pag); diff --git a/fs/xfs/libxfs/xfs_alloc.h b/fs/xfs/libxfs/xfs_alloc.h index 7c404a6b0ae3..1d0f48a501a3 100644 --- a/fs/xfs/libxfs/xfs_alloc.h +++ b/fs/xfs/libxfs/xfs_alloc.h @@ -56,7 +56,7 @@ typedef unsigned int xfs_alloctype_t; #define XFS_ALLOC_FLAG_FREEING 0x00000002 /* indicate caller is freeing extents*/ #define XFS_ALLOC_FLAG_NORMAP 0x00000004 /* don't modify the rmapbt */ #define XFS_ALLOC_FLAG_NOSHRINK 0x00000008 /* don't shrink the freelist */ - +#define XFS_ALLOC_FLAG_CHECK 0x00000010 /* test only, don't modify args */ /* * Argument structure for xfs_alloc routines. diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 2760bc3b2536..44773c9eb957 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -3812,7 +3812,6 @@ xfs_bmap_btalloc( args.fsbno = 0; args.type = XFS_ALLOCTYPE_FIRST_AG; args.total = ap->minlen; - args.minleft = 0; if ((error = xfs_alloc_vextent(&args))) return error; ap->dfops->dop_low = true; @@ -4344,8 +4343,6 @@ xfs_bmapi_allocate( if (error) return error; - if (bma->dfops->dop_low) - bma->minleft = 0; if (bma->cur) bma->cur->bc_private.b.firstblock = *bma->firstblock; if (bma->blkno == NULLFSBLOCK) diff --git a/fs/xfs/libxfs/xfs_bmap_btree.c b/fs/xfs/libxfs/xfs_bmap_btree.c index d6330c297ca0..d9be241fc86f 100644 --- a/fs/xfs/libxfs/xfs_bmap_btree.c +++ b/fs/xfs/libxfs/xfs_bmap_btree.c @@ -502,12 +502,11 @@ try_another_ag: if (args.fsbno == NULLFSBLOCK && args.minleft) { /* * Could not find an AG with enough free space to satisfy - * a full btree split. Try again without minleft and if + * a full btree split. Try again and if * successful activate the lowspace algorithm. */ args.fsbno = 0; args.type = XFS_ALLOCTYPE_FIRST_AG; - args.minleft = 0; error = xfs_alloc_vextent(&args); if (error) goto error0; diff --git a/fs/xfs/libxfs/xfs_dir2.c b/fs/xfs/libxfs/xfs_dir2.c index c58d72c220f5..2f389d366e93 100644 --- a/fs/xfs/libxfs/xfs_dir2.c +++ b/fs/xfs/libxfs/xfs_dir2.c @@ -36,21 +36,29 @@ struct xfs_name xfs_name_dotdot = { (unsigned char *)"..", 2, XFS_DIR3_FT_DIR }; /* - * @mode, if set, indicates that the type field needs to be set up. - * This uses the transformation from file mode to DT_* as defined in linux/fs.h - * for file type specification. This will be propagated into the directory - * structure if appropriate for the given operation and filesystem config. + * Convert inode mode to directory entry filetype */ -const unsigned char xfs_mode_to_ftype[S_IFMT >> S_SHIFT] = { - [0] = XFS_DIR3_FT_UNKNOWN, - [S_IFREG >> S_SHIFT] = XFS_DIR3_FT_REG_FILE, - [S_IFDIR >> S_SHIFT] = XFS_DIR3_FT_DIR, - [S_IFCHR >> S_SHIFT] = XFS_DIR3_FT_CHRDEV, - [S_IFBLK >> S_SHIFT] = XFS_DIR3_FT_BLKDEV, - [S_IFIFO >> S_SHIFT] = XFS_DIR3_FT_FIFO, - [S_IFSOCK >> S_SHIFT] = XFS_DIR3_FT_SOCK, - [S_IFLNK >> S_SHIFT] = XFS_DIR3_FT_SYMLINK, -}; +unsigned char xfs_mode_to_ftype(int mode) +{ + switch (mode & S_IFMT) { + case S_IFREG: + return XFS_DIR3_FT_REG_FILE; + case S_IFDIR: + return XFS_DIR3_FT_DIR; + case S_IFCHR: + return XFS_DIR3_FT_CHRDEV; + case S_IFBLK: + return XFS_DIR3_FT_BLKDEV; + case S_IFIFO: + return XFS_DIR3_FT_FIFO; + case S_IFSOCK: + return XFS_DIR3_FT_SOCK; + case S_IFLNK: + return XFS_DIR3_FT_SYMLINK; + default: + return XFS_DIR3_FT_UNKNOWN; + } +} /* * ASCII case-insensitive (ie. A-Z) support for directories that was @@ -631,7 +639,8 @@ xfs_dir2_isblock( if ((rval = xfs_bmap_last_offset(args->dp, &last, XFS_DATA_FORK))) return rval; rval = XFS_FSB_TO_B(args->dp->i_mount, last) == args->geo->blksize; - ASSERT(rval == 0 || args->dp->i_d.di_size == args->geo->blksize); + if (rval != 0 && args->dp->i_d.di_size != args->geo->blksize) + return -EFSCORRUPTED; *vp = rval; return 0; } diff --git a/fs/xfs/libxfs/xfs_dir2.h b/fs/xfs/libxfs/xfs_dir2.h index 0197590fa7d7..d6e6d9d16f6c 100644 --- a/fs/xfs/libxfs/xfs_dir2.h +++ b/fs/xfs/libxfs/xfs_dir2.h @@ -18,6 +18,9 @@ #ifndef __XFS_DIR2_H__ #define __XFS_DIR2_H__ +#include "xfs_da_format.h" +#include "xfs_da_btree.h" + struct xfs_defer_ops; struct xfs_da_args; struct xfs_inode; @@ -32,10 +35,9 @@ struct xfs_dir2_data_unused; extern struct xfs_name xfs_name_dotdot; /* - * directory filetype conversion tables. + * Convert inode mode to directory entry filetype */ -#define S_SHIFT 12 -extern const unsigned char xfs_mode_to_ftype[]; +extern unsigned char xfs_mode_to_ftype(int mode); /* * directory operations vector for encode/decode routines diff --git a/fs/xfs/libxfs/xfs_inode_buf.c b/fs/xfs/libxfs/xfs_inode_buf.c index dd483e2767f7..d93f9d918cfc 100644 --- a/fs/xfs/libxfs/xfs_inode_buf.c +++ b/fs/xfs/libxfs/xfs_inode_buf.c @@ -29,6 +29,7 @@ #include "xfs_icache.h" #include "xfs_trans.h" #include "xfs_ialloc.h" +#include "xfs_dir2.h" /* * Check that none of the inode's in the buffer have a next @@ -386,6 +387,7 @@ xfs_dinode_verify( xfs_ino_t ino, struct xfs_dinode *dip) { + uint16_t mode; uint16_t flags; uint64_t flags2; @@ -396,8 +398,12 @@ xfs_dinode_verify( if (be64_to_cpu(dip->di_size) & (1ULL << 63)) return false; - /* No zero-length symlinks. */ - if (S_ISLNK(be16_to_cpu(dip->di_mode)) && dip->di_size == 0) + mode = be16_to_cpu(dip->di_mode); + if (mode && xfs_mode_to_ftype(mode) == XFS_DIR3_FT_UNKNOWN) + return false; + + /* No zero-length symlinks/dirs. */ + if ((S_ISLNK(mode) || S_ISDIR(mode)) && dip->di_size == 0) return false; /* only version 3 or greater inodes are extensively verified here */ diff --git a/fs/xfs/libxfs/xfs_refcount_btree.c b/fs/xfs/libxfs/xfs_refcount_btree.c index 6fb2215f8ff7..50add5272807 100644 --- a/fs/xfs/libxfs/xfs_refcount_btree.c +++ b/fs/xfs/libxfs/xfs_refcount_btree.c @@ -409,13 +409,14 @@ xfs_refcountbt_calc_size( */ xfs_extlen_t xfs_refcountbt_max_size( - struct xfs_mount *mp) + struct xfs_mount *mp, + xfs_agblock_t agblocks) { /* Bail out if we're uninitialized, which can happen in mkfs. */ if (mp->m_refc_mxr[0] == 0) return 0; - return xfs_refcountbt_calc_size(mp, mp->m_sb.sb_agblocks); + return xfs_refcountbt_calc_size(mp, agblocks); } /* @@ -430,22 +431,24 @@ xfs_refcountbt_calc_reserves( { struct xfs_buf *agbp; struct xfs_agf *agf; + xfs_agblock_t agblocks; xfs_extlen_t tree_len; int error; if (!xfs_sb_version_hasreflink(&mp->m_sb)) return 0; - *ask += xfs_refcountbt_max_size(mp); error = xfs_alloc_read_agf(mp, NULL, agno, 0, &agbp); if (error) return error; agf = XFS_BUF_TO_AGF(agbp); + agblocks = be32_to_cpu(agf->agf_length); tree_len = be32_to_cpu(agf->agf_refcount_blocks); xfs_buf_relse(agbp); + *ask += xfs_refcountbt_max_size(mp, agblocks); *used += tree_len; return error; diff --git a/fs/xfs/libxfs/xfs_refcount_btree.h b/fs/xfs/libxfs/xfs_refcount_btree.h index 3be7768bd51a..9db008b955b7 100644 --- a/fs/xfs/libxfs/xfs_refcount_btree.h +++ b/fs/xfs/libxfs/xfs_refcount_btree.h @@ -66,7 +66,8 @@ extern void xfs_refcountbt_compute_maxlevels(struct xfs_mount *mp); extern xfs_extlen_t xfs_refcountbt_calc_size(struct xfs_mount *mp, unsigned long long len); -extern xfs_extlen_t xfs_refcountbt_max_size(struct xfs_mount *mp); +extern xfs_extlen_t xfs_refcountbt_max_size(struct xfs_mount *mp, + xfs_agblock_t agblocks); extern int xfs_refcountbt_calc_reserves(struct xfs_mount *mp, xfs_agnumber_t agno, xfs_extlen_t *ask, xfs_extlen_t *used); diff --git a/fs/xfs/libxfs/xfs_rmap_btree.c b/fs/xfs/libxfs/xfs_rmap_btree.c index de25771764ba..74e5a54bc428 100644 --- a/fs/xfs/libxfs/xfs_rmap_btree.c +++ b/fs/xfs/libxfs/xfs_rmap_btree.c @@ -550,13 +550,14 @@ xfs_rmapbt_calc_size( */ xfs_extlen_t xfs_rmapbt_max_size( - struct xfs_mount *mp) + struct xfs_mount *mp, + xfs_agblock_t agblocks) { /* Bail out if we're uninitialized, which can happen in mkfs. */ if (mp->m_rmap_mxr[0] == 0) return 0; - return xfs_rmapbt_calc_size(mp, mp->m_sb.sb_agblocks); + return xfs_rmapbt_calc_size(mp, agblocks); } /* @@ -571,25 +572,24 @@ xfs_rmapbt_calc_reserves( { struct xfs_buf *agbp; struct xfs_agf *agf; - xfs_extlen_t pool_len; + xfs_agblock_t agblocks; xfs_extlen_t tree_len; int error; if (!xfs_sb_version_hasrmapbt(&mp->m_sb)) return 0; - /* Reserve 1% of the AG or enough for 1 block per record. */ - pool_len = max(mp->m_sb.sb_agblocks / 100, xfs_rmapbt_max_size(mp)); - *ask += pool_len; - error = xfs_alloc_read_agf(mp, NULL, agno, 0, &agbp); if (error) return error; agf = XFS_BUF_TO_AGF(agbp); + agblocks = be32_to_cpu(agf->agf_length); tree_len = be32_to_cpu(agf->agf_rmap_blocks); xfs_buf_relse(agbp); + /* Reserve 1% of the AG or enough for 1 block per record. */ + *ask += max(agblocks / 100, xfs_rmapbt_max_size(mp, agblocks)); *used += tree_len; return error; diff --git a/fs/xfs/libxfs/xfs_rmap_btree.h b/fs/xfs/libxfs/xfs_rmap_btree.h index 2a9ac472fb15..19c08e933049 100644 --- a/fs/xfs/libxfs/xfs_rmap_btree.h +++ b/fs/xfs/libxfs/xfs_rmap_btree.h @@ -60,7 +60,8 @@ extern void xfs_rmapbt_compute_maxlevels(struct xfs_mount *mp); extern xfs_extlen_t xfs_rmapbt_calc_size(struct xfs_mount *mp, unsigned long long len); -extern xfs_extlen_t xfs_rmapbt_max_size(struct xfs_mount *mp); +extern xfs_extlen_t xfs_rmapbt_max_size(struct xfs_mount *mp, + xfs_agblock_t agblocks); extern int xfs_rmapbt_calc_reserves(struct xfs_mount *mp, xfs_agnumber_t agno, xfs_extlen_t *ask, xfs_extlen_t *used); diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 0f56fcd3a5d5..631e7c0e0a29 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -1152,19 +1152,22 @@ xfs_vm_releasepage( * block_invalidatepage() can send pages that are still marked dirty * but otherwise have invalidated buffers. * - * We've historically freed buffers on the latter. Instead, quietly - * filter out all dirty pages to avoid spurious buffer state warnings. - * This can likely be removed once shrink_active_list() is fixed. + * We want to release the latter to avoid unnecessary buildup of the + * LRU, skip the former and warn if we've left any lingering + * delalloc/unwritten buffers on clean pages. Skip pages with delalloc + * or unwritten buffers and warn if the page is not dirty. Otherwise + * try to release the buffers. */ - if (PageDirty(page)) - return 0; - xfs_count_page_state(page, &delalloc, &unwritten); - if (WARN_ON_ONCE(delalloc)) + if (delalloc) { + WARN_ON_ONCE(!PageDirty(page)); return 0; - if (WARN_ON_ONCE(unwritten)) + } + if (unwritten) { + WARN_ON_ONCE(!PageDirty(page)); return 0; + } return try_to_free_buffers(page); } diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c index 7a30b8f11db7..9d06cc30e875 100644 --- a/fs/xfs/xfs_dquot.c +++ b/fs/xfs/xfs_dquot.c @@ -710,6 +710,10 @@ xfs_dq_get_next_id( /* Simple advance */ next_id = *id + 1; + /* If we'd wrap past the max ID, stop */ + if (next_id < *id) + return -ENOENT; + /* If new ID is within the current chunk, advancing it sufficed */ if (next_id % mp->m_quotainfo->qi_dqperchunk) { *id = next_id; diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index 93d12fa2670d..242e8091296d 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -631,6 +631,20 @@ xfs_growfs_data_private( xfs_set_low_space_thresholds(mp); mp->m_alloc_set_aside = xfs_alloc_set_aside(mp); + /* + * If we expanded the last AG, free the per-AG reservation + * so we can reinitialize it with the new size. + */ + if (new) { + struct xfs_perag *pag; + + pag = xfs_perag_get(mp, agno); + error = xfs_ag_resv_free(pag); + xfs_perag_put(pag); + if (error) + goto out; + } + /* Reserve AG metadata blocks. */ error = xfs_fs_reserve_ag_blocks(mp); if (error && error != -ENOSPC) diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c index ff4d6311c7f4..70ca4f608321 100644 --- a/fs/xfs/xfs_icache.c +++ b/fs/xfs/xfs_icache.c @@ -1597,7 +1597,8 @@ xfs_inode_free_cowblocks( * If the mapping is dirty or under writeback we cannot touch the * CoW fork. Leave it alone if we're in the midst of a directio. */ - if (mapping_tagged(VFS_I(ip)->i_mapping, PAGECACHE_TAG_DIRTY) || + if ((VFS_I(ip)->i_state & I_DIRTY_PAGES) || + mapping_tagged(VFS_I(ip)->i_mapping, PAGECACHE_TAG_DIRTY) || mapping_tagged(VFS_I(ip)->i_mapping, PAGECACHE_TAG_WRITEBACK) || atomic_read(&VFS_I(ip)->i_dio_count)) return 0; diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index 308bebb6dfd2..22c16155f1b4 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -98,12 +98,27 @@ xfs_init_security( static void xfs_dentry_to_name( struct xfs_name *namep, + struct dentry *dentry) +{ + namep->name = dentry->d_name.name; + namep->len = dentry->d_name.len; + namep->type = XFS_DIR3_FT_UNKNOWN; +} + +static int +xfs_dentry_mode_to_name( + struct xfs_name *namep, struct dentry *dentry, int mode) { namep->name = dentry->d_name.name; namep->len = dentry->d_name.len; - namep->type = xfs_mode_to_ftype[(mode & S_IFMT) >> S_SHIFT]; + namep->type = xfs_mode_to_ftype(mode); + + if (unlikely(namep->type == XFS_DIR3_FT_UNKNOWN)) + return -EFSCORRUPTED; + + return 0; } STATIC void @@ -119,7 +134,7 @@ xfs_cleanup_inode( * xfs_init_security we must back out. * ENOSPC can hit here, among other things. */ - xfs_dentry_to_name(&teardown, dentry, 0); + xfs_dentry_to_name(&teardown, dentry); xfs_remove(XFS_I(dir), &teardown, XFS_I(inode)); } @@ -154,8 +169,12 @@ xfs_generic_create( if (error) return error; + /* Verify mode is valid also for tmpfile case */ + error = xfs_dentry_mode_to_name(&name, dentry, mode); + if (unlikely(error)) + goto out_free_acl; + if (!tmpfile) { - xfs_dentry_to_name(&name, dentry, mode); error = xfs_create(XFS_I(dir), &name, mode, rdev, &ip); } else { error = xfs_create_tmpfile(XFS_I(dir), dentry, mode, &ip); @@ -248,7 +267,7 @@ xfs_vn_lookup( if (dentry->d_name.len >= MAXNAMELEN) return ERR_PTR(-ENAMETOOLONG); - xfs_dentry_to_name(&name, dentry, 0); + xfs_dentry_to_name(&name, dentry); error = xfs_lookup(XFS_I(dir), &name, &cip, NULL); if (unlikely(error)) { if (unlikely(error != -ENOENT)) @@ -275,7 +294,7 @@ xfs_vn_ci_lookup( if (dentry->d_name.len >= MAXNAMELEN) return ERR_PTR(-ENAMETOOLONG); - xfs_dentry_to_name(&xname, dentry, 0); + xfs_dentry_to_name(&xname, dentry); error = xfs_lookup(XFS_I(dir), &xname, &ip, &ci_name); if (unlikely(error)) { if (unlikely(error != -ENOENT)) @@ -310,7 +329,9 @@ xfs_vn_link( struct xfs_name name; int error; - xfs_dentry_to_name(&name, dentry, inode->i_mode); + error = xfs_dentry_mode_to_name(&name, dentry, inode->i_mode); + if (unlikely(error)) + return error; error = xfs_link(XFS_I(dir), XFS_I(inode), &name); if (unlikely(error)) @@ -329,7 +350,7 @@ xfs_vn_unlink( struct xfs_name name; int error; - xfs_dentry_to_name(&name, dentry, 0); + xfs_dentry_to_name(&name, dentry); error = xfs_remove(XFS_I(dir), &name, XFS_I(d_inode(dentry))); if (error) @@ -359,7 +380,9 @@ xfs_vn_symlink( mode = S_IFLNK | (irix_symlink_mode ? 0777 & ~current_umask() : S_IRWXUGO); - xfs_dentry_to_name(&name, dentry, mode); + error = xfs_dentry_mode_to_name(&name, dentry, mode); + if (unlikely(error)) + goto out; error = xfs_symlink(XFS_I(dir), &name, symname, mode, &cip); if (unlikely(error)) @@ -395,6 +418,7 @@ xfs_vn_rename( { struct inode *new_inode = d_inode(ndentry); int omode = 0; + int error; struct xfs_name oname; struct xfs_name nname; @@ -405,8 +429,14 @@ xfs_vn_rename( if (flags & RENAME_EXCHANGE) omode = d_inode(ndentry)->i_mode; - xfs_dentry_to_name(&oname, odentry, omode); - xfs_dentry_to_name(&nname, ndentry, d_inode(odentry)->i_mode); + error = xfs_dentry_mode_to_name(&oname, odentry, omode); + if (omode && unlikely(error)) + return error; + + error = xfs_dentry_mode_to_name(&nname, ndentry, + d_inode(odentry)->i_mode); + if (unlikely(error)) + return error; return xfs_rename(XFS_I(odir), &oname, XFS_I(d_inode(odentry)), XFS_I(ndir), &nname, diff --git a/fs/xfs/xfs_linux.h b/fs/xfs/xfs_linux.h index e467218c0098..7a989de224f4 100644 --- a/fs/xfs/xfs_linux.h +++ b/fs/xfs/xfs_linux.h @@ -331,11 +331,11 @@ static inline __uint64_t howmany_64(__uint64_t x, __uint32_t y) } #define ASSERT_ALWAYS(expr) \ - (unlikely(expr) ? (void)0 : assfail(#expr, __FILE__, __LINE__)) + (likely(expr) ? (void)0 : assfail(#expr, __FILE__, __LINE__)) #ifdef DEBUG #define ASSERT(expr) \ - (unlikely(expr) ? (void)0 : assfail(#expr, __FILE__, __LINE__)) + (likely(expr) ? (void)0 : assfail(#expr, __FILE__, __LINE__)) #ifndef STATIC # define STATIC noinline @@ -346,7 +346,7 @@ static inline __uint64_t howmany_64(__uint64_t x, __uint32_t y) #ifdef XFS_WARN #define ASSERT(expr) \ - (unlikely(expr) ? (void)0 : asswarn(#expr, __FILE__, __LINE__)) + (likely(expr) ? (void)0 : asswarn(#expr, __FILE__, __LINE__)) #ifndef STATIC # define STATIC static noinline diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index c39ac14ff540..b1469f0a91a6 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -3317,12 +3317,8 @@ xfs_log_force( xfs_mount_t *mp, uint flags) { - int error; - trace_xfs_log_force(mp, 0, _RET_IP_); - error = _xfs_log_force(mp, flags, NULL); - if (error) - xfs_warn(mp, "%s: error %d returned.", __func__, error); + _xfs_log_force(mp, flags, NULL); } /* @@ -3466,12 +3462,8 @@ xfs_log_force_lsn( xfs_lsn_t lsn, uint flags) { - int error; - trace_xfs_log_force(mp, lsn, _RET_IP_); - error = _xfs_log_force_lsn(mp, lsn, flags, NULL); - if (error) - xfs_warn(mp, "%s: error %d returned.", __func__, error); + _xfs_log_force_lsn(mp, lsn, flags, NULL); } /* diff --git a/fs/xfs/xfs_refcount_item.c b/fs/xfs/xfs_refcount_item.c index fe86a668a57e..6e4c7446c3d4 100644 --- a/fs/xfs/xfs_refcount_item.c +++ b/fs/xfs/xfs_refcount_item.c @@ -526,13 +526,14 @@ xfs_cui_recover( xfs_refcount_finish_one_cleanup(tp, rcur, error); error = xfs_defer_finish(&tp, &dfops, NULL); if (error) - goto abort_error; + goto abort_defer; set_bit(XFS_CUI_RECOVERED, &cuip->cui_flags); error = xfs_trans_commit(tp); return error; abort_error: xfs_refcount_finish_one_cleanup(tp, rcur, error); +abort_defer: xfs_defer_cancel(&dfops); xfs_trans_cancel(tp); return error; diff --git a/fs/xfs/xfs_sysfs.c b/fs/xfs/xfs_sysfs.c index 276d3023d60f..de6195e38910 100644 --- a/fs/xfs/xfs_sysfs.c +++ b/fs/xfs/xfs_sysfs.c @@ -396,7 +396,7 @@ max_retries_show( int retries; struct xfs_error_cfg *cfg = to_error_cfg(kobject); - if (cfg->retry_timeout == XFS_ERR_RETRY_FOREVER) + if (cfg->max_retries == XFS_ERR_RETRY_FOREVER) retries = -1; else retries = cfg->max_retries; @@ -422,7 +422,7 @@ max_retries_store( return -EINVAL; if (val == -1) - cfg->retry_timeout = XFS_ERR_RETRY_FOREVER; + cfg->max_retries = XFS_ERR_RETRY_FOREVER; else cfg->max_retries = val; return count; |