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

From: Bart Van Assche
Date: Tue Jul 03 2018 - 19:21:27 EST


On Tue, 2018-07-03 at 08:54 +0200, Johannes Thumshirn wrote:
> It has been more than one year since we tried to change the default
> from legacy to multi queue in SCSI. Back then we had to retract the
> change because of performance issues with rotating disks.
>
> In the meantime there have been a substantial amount of performance
> improvements, thus we can re-enable scsi-mq without a significant
> performance penalty.

Hello Johannes,

Please include references to commits cbe7dfa26eee ("Revert "scsi:
default to scsi-mq"") and 5c279bd9e406 ("scsi: default to scsi-mq").
I think it's a good idea to mention that suspend/resume now works
with scsi-mq.

Bart.