[dm-devel] [PATCH for-3.14 19/20] dm cache policy mq: use list_del_init instead of list_del + INIT_LIST_HEAD

Mike Snitzer snitzer at redhat.com
Fri Dec 20 23:37:32 UTC 2013


From: Wei Yongjun <yongjun_wei at trendmicro.com.cn>

Signed-off-by: Wei Yongjun <yongjun_wei at trendmicro.com.cn>
Acked-by: Joe Thornber <ejt at redhat.com>
Signed-off-by: Mike Snitzer <snitzer at redhat.com>
---
 drivers/md/dm-cache-policy-mq.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/md/dm-cache-policy-mq.c b/drivers/md/dm-cache-policy-mq.c
index 64780ad..7f1aaa3 100644
--- a/drivers/md/dm-cache-policy-mq.c
+++ b/drivers/md/dm-cache-policy-mq.c
@@ -287,9 +287,8 @@ static struct entry *alloc_entry(struct entry_pool *ep)
 static struct entry *alloc_particular_entry(struct entry_pool *ep, dm_cblock_t cblock)
 {
 	struct entry *e = ep->entries + from_cblock(cblock);
-	list_del(&e->list);
 
-	INIT_LIST_HEAD(&e->list);
+	list_del_init(&e->list);
 	INIT_HLIST_NODE(&e->hlist);
 	ep->nr_allocated++;
 
-- 
1.8.1.4




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