btrfs: use KMEM_CACHE() to create btrfs_free_space cache

KunWuChan · kdave · commit 06c9564980f1 · 2024-03-04T16:24:54.000+01:00
Use the KMEM_CACHE() macro instead of kmem_cache_create() to simplify
the creation of SLAB caches when the default values are used.

Signed-off-by: Kunwu Chan &lt;chentao@kylinos.cn&gt;
Reviewed-by: David Sterba &lt;dsterba@suse.com&gt;
Signed-off-by: David Sterba &lt;dsterba@suse.com&gt;
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
@@ -4154,9 +4154,7 @@ int btrfs_set_free_space_cache_v1_active(struct btrfs_fs_info *fs_info, bool act
 
 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);
+	btrfs_free_space_cachep = KMEM_CACHE(btrfs_free_space, SLAB_MEM_SPREAD);
 	if (!btrfs_free_space_cachep)
 		return -ENOMEM;
 

Original file line number	Diff line number	Diff line change
`@@ -4154,9 +4154,7 @@ int btrfs_set_free_space_cache_v1_active(struct btrfs_fs_info *fs_info, bool act`
`4154`	`4154`
`4155`	`4155`	`int __init btrfs_free_space_init(void)`
`4156`	`4156`	`{`
`4157`		`- btrfs_free_space_cachep = kmem_cache_create("btrfs_free_space",`
`4158`		`- sizeof(struct btrfs_free_space), 0,`
`4159`		`- SLAB_MEM_SPREAD, NULL);`
	`4157`	`+ btrfs_free_space_cachep = KMEM_CACHE(btrfs_free_space, SLAB_MEM_SPREAD);`
`4160`	`4158`	`if (!btrfs_free_space_cachep)`
`4161`	`4159`	`return -ENOMEM;`
`4162`	`4160`