* [PATCH] Btrfs: use list_move_tail instead of list_del/list_add_tail
@ 2012-09-05 6:38 Wei Yongjun
0 siblings, 0 replies; only message in thread
From: Wei Yongjun @ 2012-09-05 6:38 UTC (permalink / raw)
To: chris.mason; +Cc: yongjun_wei, linux-btrfs
From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Using list_move_tail() instead of list_del() + list_add_tail().
spatch with a semantic match is used to found this problem.
(http://coccinelle.lip6.fr/)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
---
fs/btrfs/send.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index fb5ffe9..fbea0de 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -1792,8 +1792,7 @@ 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);
+ list_move_tail(&nce->list, &sctx->name_cache_list);
}
static void name_cache_clean_unused(struct send_ctx *sctx)
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2012-09-05 6:38 [PATCH] Btrfs: use list_move_tail instead of list_del/list_add_tail Wei Yongjun
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