[PATCH 6/7] blk-mq: Remove unnecessary hctx check in function blk_mq_alloc_and_init_hctx

Kemeng Shi posted 7 patches 2 years, 7 months ago
[PATCH 6/7] blk-mq: Remove unnecessary hctx check in function blk_mq_alloc_and_init_hctx
Posted by Kemeng Shi 2 years, 7 months ago
We can remove hctx from list when a valid hctx is found to avoid
extra valid check.

Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
---
 block/blk-mq.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/block/blk-mq.c b/block/blk-mq.c
index 4d2ab01549cd..1aa3cdc55c4e 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -4121,11 +4121,10 @@ static struct blk_mq_hw_ctx *blk_mq_alloc_and_init_hctx(
 	list_for_each_entry(tmp, &q->unused_hctx_list, hctx_list) {
 		if (tmp->numa_node == node) {
 			hctx = tmp;
+			list_del_init(&hctx->hctx_list);
 			break;
 		}
 	}
-	if (hctx)
-		list_del_init(&hctx->hctx_list);
 	spin_unlock(&q->unused_hctx_lock);
 
 	if (!hctx)
-- 
2.30.0