linux-kernel - [PATCH 6/6] btrfs: Simplify the allocation of slab caches in btrfs_free_space

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Date: Tue, 20 Feb 2024 17:06:45 +0800
From: Kunwu Chan <chentao@...inos.cn>
To: clm@...com,
	josef@...icpanda.com,
	dsterba@...e.com
Cc: linux-btrfs@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Kunwu Chan <chentao@...inos.cn>
Subject: [PATCH 6/6] btrfs: Simplify the allocation of slab caches in btrfs_free_space_init

Use the new KMEM_CACHE() macro instead of direct kmem_cache_create
to simplify the creation of SLAB caches.

Signed-off-by: Kunwu Chan <chentao@...inos.cn>
---
 fs/btrfs/free-space-cache.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index d372c7ce0e6b..f62f5c339e18 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -4156,9 +4156,7 @@ 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;
 
-- 
2.39.2