Re: [PATCH] scsi: switch to scsi-mq by default

From: Martin K. Petersen
Date: Tue Jul 10 2018 - 22:52:33 EST



Johannes,

> It has been more than one year since we tried to change the default
> from legacy to multi queue in SCSI with commit c279bd9e406 ("scsi:
> default to scsi-mq"). But due to issues with suspend/resume and
> performance problems it had been reverted again with commit
> cbe7dfa26eee ("Revert "scsi: default to scsi-mq"").
>
> In the meantime there have been a substantial amount of performance
> improvements and suspend/resume got fixed as well, thus we can
> re-enable scsi-mq without a significant performance penalty.

Applied to 4.19/scsi-queue, thanks!

--
Martin K. Petersen Oracle Linux Engineering