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From:   zhong jiang <zhongjiang@huawei.com>
To:     <dsterba@suse.cz>
CC:     <osandov@osandov.com>, <dsterba@suse.com>, <jbacik@fb.com>,
        <clm@fb.com>, <linux-btrfs@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>
Subject: [PATCHv2] btrfs: list usage cleanup
Date:   Thu, 4 Oct 2018 12:48:27 +0800
Message-ID: <1538628507-32593-1-git-send-email-zhongjiang@huawei.com>
MIME-Version: 1.0
Content-Type: text/plain
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Trival cleanup, list_move_tail will implement the same function that
list_del() + list_add_tail() will do. hence just replace them.

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
---
 fs/btrfs/send.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index 094cc144..30e7e12 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -2075,8 +2075,8 @@ static struct name_cache_entry *name_cache_search(struct send_ctx *sctx,
  */
 static void name_cache_used(struct send_ctx *sctx, struct name_cache_entry *nce)
 {
-	list_del(&nce->list);
-	list_add_tail(&nce->list, &sctx->name_cache_list);
+	/* delete from sctx->name_cache_list and add as its tail */
+	list_move_tail(&nce->list, &sctx->name_cache_list);
 }
 
 /*
-- 
1.7.12.4