On Sat, 2017-05-27 at 22:21 +0800, Ming Lei wrote:
> --- 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);
Hello Ming,
Sorry but that change looks wrong to me. All what's needed here is a call
to blk_mq_unquiesce_queue().
Bart.
