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| author | Josef Bacik <josef@toxicpanda.com> | 2022-09-14 18:06:39 +0300 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2022-12-05 20:00:37 +0300 |
| commit | eda517fd0ceee0329bb956f701c0e124fc1fe269 (patch) | |
| tree | b73ea67a4396f92e13041c34ad767a17b4de8e8c /fs/btrfs/free-space-cache.c | |
| parent | 226463d7b100d30def24f2be492fef0081003a30 (diff) | |
| download | linux-eda517fd0ceee0329bb956f701c0e124fc1fe269.tar.xz | |
btrfs: move free space cachep's out of ctree.h
This is local to the free-space-cache.c code, remove it from ctree.h and
inode.c, create new init/exit functions for the cachep, and move it
locally to free-space-cache.c.
Reviewed-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/free-space-cache.c')
| -rw-r--r-- | fs/btrfs/free-space-cache.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index f4023651dd68..bd68fafcccc7 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -29,6 +29,9 @@ #define MAX_CACHE_BYTES_PER_GIG SZ_64K #define FORCE_EXTENT_THRESHOLD SZ_1M +static struct kmem_cache *btrfs_free_space_cachep; +static struct kmem_cache *btrfs_free_space_bitmap_cachep; + struct btrfs_trim_range { u64 start; u64 bytes; @@ -4132,6 +4135,31 @@ out: return ret; } +int __init btrfs_free_space_init(void) +{ + btrfs_free_space_cachep = kmem_cache_create("btrfs_free_space", + sizeof(struct btrfs_free_space), 0, + SLAB_MEM_SPREAD, NULL); + if (!btrfs_free_space_cachep) + return -ENOMEM; + + btrfs_free_space_bitmap_cachep = kmem_cache_create("btrfs_free_space_bitmap", + PAGE_SIZE, PAGE_SIZE, + SLAB_MEM_SPREAD, NULL); + if (!btrfs_free_space_bitmap_cachep) { + kmem_cache_destroy(btrfs_free_space_cachep); + return -ENOMEM; + } + + return 0; +} + +void __cold btrfs_free_space_exit(void) +{ + kmem_cache_destroy(btrfs_free_space_cachep); + kmem_cache_destroy(btrfs_free_space_bitmap_cachep); +} + #ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS /* * Use this if you need to make a bitmap or extent entry specifically, it |