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| author | Josef Bacik <josef@redhat.com> | 2011-01-28 23:05:48 +0100 |
|---|---|---|
| committer | Josef Bacik <josef@redhat.com> | 2011-03-17 19:21:20 +0100 |
| commit | dc89e9824464e91fa0b06267864ceabe3186fd8b (patch) | |
| tree | 82952195464518dce48cb613c74d2326f228669b /fs/btrfs/inode.c | |
| parent | Btrfs: change reserved_extents to an atomic_t (diff) | |
| download | linux-dc89e9824464e91fa0b06267864ceabe3186fd8b.tar.xz linux-dc89e9824464e91fa0b06267864ceabe3186fd8b.zip | |
Btrfs: use a slab for the free space entries
Since we alloc/free free space entries a whole lot, lets use a slab to keep
track of them. This makes some of my tests slightly faster. Thanks,
Signed-off-by: Josef Bacik <josef@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | fs/btrfs/inode.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index d97b69afbbfb..2d2e079713d7 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -50,6 +50,7 @@ #include "tree-log.h" #include "compression.h" #include "locking.h" +#include "free-space-cache.h" struct btrfs_iget_args { u64 ino; @@ -70,6 +71,7 @@ static struct kmem_cache *btrfs_inode_cachep; struct kmem_cache *btrfs_trans_handle_cachep; struct kmem_cache *btrfs_transaction_cachep; struct kmem_cache *btrfs_path_cachep; +struct kmem_cache *btrfs_free_space_cachep; #define S_SHIFT 12 static unsigned char btrfs_type_by_mode[S_IFMT >> S_SHIFT] = { @@ -6761,6 +6763,8 @@ void btrfs_destroy_cachep(void) kmem_cache_destroy(btrfs_transaction_cachep); if (btrfs_path_cachep) kmem_cache_destroy(btrfs_path_cachep); + if (btrfs_free_space_cachep) + kmem_cache_destroy(btrfs_free_space_cachep); } int btrfs_init_cachep(void) @@ -6789,6 +6793,12 @@ int btrfs_init_cachep(void) if (!btrfs_path_cachep) goto fail; + btrfs_free_space_cachep = kmem_cache_create("btrfs_free_space_cache", + sizeof(struct btrfs_free_space), 0, + SLAB_RECLAIM_ACCOUNT | SLAB_MEM_SPREAD, NULL); + if (!btrfs_free_space_cachep) + goto fail; + return 0; fail: btrfs_destroy_cachep(); |