[PATCH] Btrfs: use list_move_tail instead of list_del/list_add_tail
From: Wei Yongjun <hidden>
Date: 2012-09-05 06:38:50
Subsystem:
btrfs file system, filesystems (vfs and infrastructure), the rest · Maintainers:
Chris Mason, David Sterba, Alexander Viro, Christian Brauner, Linus Torvalds
From: Wei Yongjun <redacted> 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 <redacted> --- 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)