Re: [PATCH 2/6] SCSI: use blk_mq_run_hw_queues() in scsi_kick_queue()

Bart Van Assche
2017-07-13T17:44:45Z

On Thu, 2017-07-13 at 18:23 +0800, Ming Lei wrote:
> Please discuss the congestion control in patch 4 and 5.

Hello Ming,

Since there is a significant risk that this patch series will introduce
performance and/or functional regressions, I will wait with reviewing this
patch series further until it has been shown that there is no less risky
alternative to realize the same performance improvement. I think Jens had
already suggested a possible alternative, namely by only starting a queue
if it really has to be started.

Bart.=