On 04/01/2017 01:12 AM, Bart Van Assche wrote:
> commit 52d7f1b5c2f3 ("blk-mq: Avoid that requeueing starts stopped
> queues") removed the blk_mq_stop_hw_queue() call from scsi_queue_rq()
> for the BLK_MQ_RQ_QUEUE_BUSY case. blk_mq_start_stopped_hw_queues()
> only runs queues that had been stopped. Hence change the
> blk_mq_start_stopped_hw_queues() call in scsi_run_queue() into
> blk_mq_run_hw_queues(). Remove the blk_mq_start_stopped_hw_queues()
> call from scsi_end_request() because __blk_mq_finish_request()
> already runs all hardware queues if needed.
>
> Fixes: commit 52d7f1b5c2f3 ("blk-mq: Avoid that requeueing starts stopped queues")
> Signed-off-by: Bart Van Assche <bart.vanassche@xxxxxxxxxxx>
> Cc: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
> Cc: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>
> Cc: Christoph Hellwig <hch@xxxxxx>
> Cc: Hannes Reinecke <hare@xxxxxxx>
> Cc: Sagi Grimberg <sagi@xxxxxxxxxxx>
> ---
> drivers/scsi/scsi_lib.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
Reviewed-by: Hannes Reinecke <hare@xxxxxxxx>
Cheers,
Hannes
--
Dr. Hannes Reinecke Teamlead Storage & Networking
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