On Thu, 10 Sep 2020 15:50:56 +0800, Ming Lei wrote:
> Now the request queue is run in scsi_end_request() unconditionally if both
> target queue and host queue is ready. We should have re-run request queue
> only after this device queue becomes busy for restarting this LUN only.
>
> Recently Long Li reported that cost of run queue may be very heavy in
> case of high queue depth. So improve this situation by only running
> the request queue when this LUN is busy.
Applied to 5.10/scsi-queue, thanks!
[1/1] scsi: core: Only re-run queue in scsi_end_request() if device queue is busy
https://git.kernel.org/mkp/scsi/c/ed5dd6a67d5e
--
Martin K. Petersen Oracle Linux Engineering
