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

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Message-Id: <20240201093554.208092-1-chentao@kylinos.cn>
Date: Thu,  1 Feb 2024 17:35:54 +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 btrfs_transaction_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/transaction.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 5b3333ceef04..0c069d44e77f 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -2720,9 +2720,8 @@ void __cold __btrfs_abort_transaction(struct btrfs_trans_handle *trans,
 
 int __init btrfs_transaction_init(void)
 {
-	btrfs_trans_handle_cachep = kmem_cache_create("btrfs_trans_handle",
-			sizeof(struct btrfs_trans_handle), 0,
-			SLAB_TEMPORARY | SLAB_MEM_SPREAD, NULL);
+	btrfs_trans_handle_cachep = KMEM_CACHE(btrfs_trans_handle,
+						 SLAB_TEMPORARY | SLAB_MEM_SPREAD);
 	if (!btrfs_trans_handle_cachep)
 		return -ENOMEM;
 	return 0;
-- 
2.39.2