linux-kernel - [PATCH v2] btrfs: Simplify the allocation of slab caches in btrfs_delayed_inode

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Message-Id: <20240201084406.202446-1-chentao@kylinos.cn>
Date: Thu,  1 Feb 2024 16:44:06 +0800
From: Kunwu Chan <chentao@...inos.cn>
To: clm@...com,
	josef@...icpanda.com,
	dsterba@...e.com,
	Johannes.Thumshirn@....com,
	dsterba@...e.cz
Cc: linux-btrfs@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Kunwu Chan <chentao@...inos.cn>
Subject: [PATCH v2] btrfs: Simplify the allocation of slab caches in btrfs_delayed_inode_init

Use the new KMEM_CACHE() macro instead of direct kmem_cache_create
to simplify the creation of SLAB caches.
Make the code cleaner and more readable.

Signed-off-by: Kunwu Chan <chentao@...inos.cn>
---
Changes in v2:
    - Update commit msg only, no functional changes
---
 fs/btrfs/delayed-inode.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
index 08102883f560..8c748c6cdf6d 100644
--- a/fs/btrfs/delayed-inode.c
+++ b/fs/btrfs/delayed-inode.c
@@ -28,11 +28,7 @@ static struct kmem_cache *delayed_node_cache;
 
 int __init btrfs_delayed_inode_init(void)
 {
-	delayed_node_cache = kmem_cache_create("btrfs_delayed_node",
-					sizeof(struct btrfs_delayed_node),
-					0,
-					SLAB_MEM_SPREAD,
-					NULL);
+	delayed_node_cache = KMEM_CACHE(btrfs_delayed_node, SLAB_MEM_SPREAD);
 	if (!delayed_node_cache)
 		return -ENOMEM;
 	return 0;
-- 
2.39.2