From: Ming Lei <ming.lei@redhat.com>
To: Jens Axboe <axboe@fb.com>,
linux-block@vger.kernel.org,
Christoph Hellwig <hch@infradead.org>
Cc: Bart Van Assche <bart.vanassche@sandisk.com>
Subject: [PATCH 5/7] scsi: use the introduced blk_mq_unquiesce_queue()
Date: Thu, 25 May 2017 12:21:29 +0800 [thread overview]
Message-ID: <20170525042131.13172-6-ming.lei@redhat.com> (raw)
In-Reply-To: <20170525042131.13172-1-ming.lei@redhat.com>
blk_mq_unquiesce_queue() is used for unquiescing the queue.
Signed-off-by: Ming Lei <ming.lei@redhat.com>
---
drivers/scsi/scsi_lib.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 814a4bd8405d..72b11f75719c 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -3030,7 +3030,10 @@ scsi_internal_device_unblock(struct scsi_device *sdev,
return -EINVAL;
if (q->mq_ops) {
- blk_mq_start_stopped_hw_queues(q, false);
+ if (blk_queue_quiesced(q))
+ blk_mq_unquiesce_queue(q);
+ else
+ blk_mq_start_stopped_hw_queues(q, false);
} else {
spin_lock_irqsave(q->queue_lock, flags);
blk_start_queue(q);
--
2.9.4
next prev parent reply other threads:[~2017-05-25 4:22 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-25 4:21 [PATCH 0/7] blk-mq: fix queue quiescing Ming Lei
2017-05-25 4:21 ` [PATCH 1/7] blk-mq: introduce blk_mq_unquiesce_queue Ming Lei
2017-05-25 4:21 ` [PATCH 2/7] block: introduce flag of QUEUE_FLAG_QUIESCED Ming Lei
2017-05-25 4:21 ` [PATCH 3/7] dm: use the introduced blk_mq_unquiesce_queue() Ming Lei
2017-05-25 4:21 ` [PATCH 4/7] nvme: " Ming Lei
2017-05-25 4:21 ` Ming Lei [this message]
2017-05-25 4:21 ` [PATCH 6/7] blk-mq: quiesce queue via percpu_ref Ming Lei
2017-05-25 4:21 ` [PATCH 7/7] blk-mq: update comments on blk_mq_quiesce_queue() Ming Lei
2017-05-25 5:24 ` [PATCH 0/7] blk-mq: fix queue quiescing Bart Van Assche
2017-05-25 9:09 ` Ming Lei
2017-05-25 17:24 ` Bart Van Assche
2017-05-25 17:31 ` Jens Axboe
2017-05-25 17:42 ` Jens Axboe
2017-05-25 17:59 ` Bart Van Assche
2017-05-26 0:44 ` Ming Lei
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