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| author | Darrick J. Wong <djwong@kernel.org> | 2021-10-12 14:11:01 -0700 |
|---|---|---|
| committer | Darrick J. Wong <djwong@kernel.org> | 2021-10-22 16:04:36 -0700 |
| commit | f3c799c22c661e181c71a0d9914fc923023f65fb (patch) | |
| tree | 00ba9a69272b5e664919188d1f2e1f8b208b5965 /fs/xfs/libxfs/xfs_bmap.c | |
| parent | 9e253954acf53227f33d307f5ac5ff94c1ca5880 (diff) | |
| download | lwn-f3c799c22c661e181c71a0d9914fc923023f65fb.tar.gz lwn-f3c799c22c661e181c71a0d9914fc923023f65fb.zip | |
xfs: create slab caches for frequently-used deferred items
Create slab caches for the high-level structures that coordinate
deferred intent items, since they're used fairly heavily.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Chandan Babu R <chandan.babu@oracle.com>
Diffstat (limited to 'fs/xfs/libxfs/xfs_bmap.c')
| -rw-r--r-- | fs/xfs/libxfs/xfs_bmap.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 8a993ef6b7f4..ef2ac0ecaed9 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -37,7 +37,7 @@ #include "xfs_icache.h" #include "xfs_iomap.h" - +struct kmem_cache *xfs_bmap_intent_cache; struct kmem_cache *xfs_bmap_free_item_cache; /* @@ -6190,7 +6190,7 @@ __xfs_bmap_add( bmap->br_blockcount, bmap->br_state); - bi = kmem_alloc(sizeof(struct xfs_bmap_intent), KM_NOFS); + bi = kmem_cache_alloc(xfs_bmap_intent_cache, GFP_NOFS | __GFP_NOFAIL); INIT_LIST_HEAD(&bi->bi_list); bi->bi_type = type; bi->bi_owner = ip; @@ -6301,3 +6301,20 @@ xfs_bmap_validate_extent( return __this_address; return NULL; } + +int __init +xfs_bmap_intent_init_cache(void) +{ + xfs_bmap_intent_cache = kmem_cache_create("xfs_bmap_intent", + sizeof(struct xfs_bmap_intent), + 0, 0, NULL); + + return xfs_bmap_intent_cache != NULL ? 0 : -ENOMEM; +} + +void +xfs_bmap_intent_destroy_cache(void) +{ + kmem_cache_destroy(xfs_bmap_intent_cache); + xfs_bmap_intent_cache = NULL; +} |