[PATCH 5/7] scsi: use the introduced blk_mq_unquiesce_queue()

[Ming Lei]

blk_mq_unquiesce_queue() is used for unquiescing the queue.

Signed-off-by: Ming Lei <ming....@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