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| author | Josef Bacik <josef@toxicpanda.com> | 2019-09-23 10:05:18 -0400 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2019-11-18 12:46:47 +0100 |
| commit | 6f0d04f8e72e1c7fd17e7fac0fea82553a6443b4 (patch) | |
| tree | c329969975211a9693b76f055aaed3f4705117f4 | |
| parent | 33ca832fefa5ebf66df983783522c888b851fbe4 (diff) | |
| download | linux-6f0d04f8e72e1c7fd17e7fac0fea82553a6443b4.tar.gz | |
btrfs: separate out the extent io init function
We are moving extent_io_tree into it's on file, so separate out the extent_state init stuff from extent_io_tree_init(). Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
| -rw-r--r-- | fs/btrfs/extent_io.c | 18 | ||||
| -rw-r--r-- | fs/btrfs/extent_io.h | 2 | ||||
| -rw-r--r-- | fs/btrfs/super.c | 9 |
3 files changed, 21 insertions, 8 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 1a17218d756d..dffa7c6373e1 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -200,19 +200,23 @@ static int __must_check flush_write_bio(struct extent_page_data *epd) return ret; } -int __init extent_io_init(void) +int __init extent_state_cache_init(void) { extent_state_cache = kmem_cache_create("btrfs_extent_state", sizeof(struct extent_state), 0, SLAB_MEM_SPREAD, NULL); if (!extent_state_cache) return -ENOMEM; + return 0; +} +int __init extent_io_init(void) +{ extent_buffer_cache = kmem_cache_create("btrfs_extent_buffer", sizeof(struct extent_buffer), 0, SLAB_MEM_SPREAD, NULL); if (!extent_buffer_cache) - goto free_state_cache; + return -ENOMEM; if (bioset_init(&btrfs_bioset, BIO_POOL_SIZE, offsetof(struct btrfs_io_bio, bio), @@ -230,24 +234,24 @@ free_bioset: free_buffer_cache: kmem_cache_destroy(extent_buffer_cache); extent_buffer_cache = NULL; + return -ENOMEM; +} -free_state_cache: +void __cold extent_state_cache_exit(void) +{ + btrfs_extent_state_leak_debug_check(); kmem_cache_destroy(extent_state_cache); - extent_state_cache = NULL; - return -ENOMEM; } void __cold extent_io_exit(void) { btrfs_extent_buffer_leak_debug_check(); - btrfs_extent_state_leak_debug_check(); /* * Make sure all delayed rcu free are flushed before we * destroy caches. */ rcu_barrier(); - kmem_cache_destroy(extent_state_cache); kmem_cache_destroy(extent_buffer_cache); bioset_exit(&btrfs_bioset); } diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index cf3424d58fec..e813f593202d 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -556,4 +556,6 @@ bool find_lock_delalloc_range(struct inode *inode, struct extent_buffer *alloc_test_extent_buffer(struct btrfs_fs_info *fs_info, u64 start); +int __init extent_state_cache_init(void); +void __cold extent_state_cache_exit(void); #endif diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 1b151af25772..843015b9a11e 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -2360,10 +2360,14 @@ static int __init init_btrfs_fs(void) if (err) goto free_cachep; - err = extent_map_init(); + err = extent_state_cache_init(); if (err) goto free_extent_io; + err = extent_map_init(); + if (err) + goto free_extent_state_cache; + err = ordered_data_init(); if (err) goto free_extent_map; @@ -2422,6 +2426,8 @@ free_ordered_data: ordered_data_exit(); free_extent_map: extent_map_exit(); +free_extent_state_cache: + extent_state_cache_exit(); free_extent_io: extent_io_exit(); free_cachep: @@ -2442,6 +2448,7 @@ static void __exit exit_btrfs_fs(void) btrfs_prelim_ref_exit(); ordered_data_exit(); extent_map_exit(); + extent_state_cache_exit(); extent_io_exit(); btrfs_interface_exit(); btrfs_end_io_wq_exit(); |