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

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Message-Id: <20240131065448.133845-1-chentao@kylinos.cn>
Date: Wed, 31 Jan 2024 14:54:48 +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] btrfs: Simplify the allocation of slab caches in ordered_data_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/ordered-data.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c
index 59850dc17b22..f65d681f4c65 100644
--- a/fs/btrfs/ordered-data.c
+++ b/fs/btrfs/ordered-data.c
@@ -1236,10 +1236,7 @@ struct btrfs_ordered_extent *btrfs_split_ordered_extent(
 
 int __init ordered_data_init(void)
 {
-	btrfs_ordered_extent_cache = kmem_cache_create("btrfs_ordered_extent",
-				     sizeof(struct btrfs_ordered_extent), 0,
-				     SLAB_MEM_SPREAD,
-				     NULL);
+	btrfs_ordered_extent_cache = KMEM_CACHE(btrfs_ordered_extent, SLAB_MEM_SPREAD);
 	if (!btrfs_ordered_extent_cache)
 		return -ENOMEM;
 
-- 
2.39.2