From: Jianchao Wang <jianchao.w.wang@oracle.com>
To: axboe@kernel.dk, ming.lei@redhat.com
Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] blk-mq: return when BLK_MQ_S_STOPPED in blk_mq_run_work_fn
Date: Mon, 4 Jun 2018 17:03:55 +0800 [thread overview]
Message-ID: <1528103035-8009-1-git-send-email-jianchao.w.wang@oracle.com> (raw)
if hctx is stopped, don't run the queue in blk_mq_run_work_fn.
Fixes: 15fe8a9 (blk-mq: remove blk_mq_delay_queue())
Cc: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jianchao Wang <jianchao.w.wang@oracle.com>
---
block/blk-mq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 9ce9cac..d0ee928 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -1578,7 +1578,7 @@ static void blk_mq_run_work_fn(struct work_struct *work)
* If we are stopped, don't run the queue.
*/
if (test_bit(BLK_MQ_S_STOPPED, &hctx->state))
- clear_bit(BLK_MQ_S_STOPPED, &hctx->state);
+ return;
__blk_mq_run_hw_queue(hctx);
}
--
2.7.4
next reply other threads:[~2018-06-04 9:03 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-04 9:03 Jianchao Wang [this message]
2018-06-04 10:43 ` [PATCH] blk-mq: return when BLK_MQ_S_STOPPED in blk_mq_run_work_fn Ming Lei
2018-06-04 11:36 ` Bart Van Assche
2018-06-04 16:21 ` Jens Axboe
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