On Mon, Jul 02, 2018 at 05:54:22AM -0700, Christoph Hellwig wrote:
> On Mon, Jul 02, 2018 at 01:06:42PM +0800, Ming Lei wrote:
> > With the introduced module parameter of 'use_blk_mq', it is easy
> > to switch between 'blk_mq' and 'non_blk_mq' by reloading scsi_debug
> > module, so that we can test scsi_mq/blk_mq related regressions easily.
>
> No. We should not make a per driver choice.
Btw, wouldn't it be time for:
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index 35c909bbf8ba..bd115bab162e 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -49,6 +49,7 @@ config SCSI_NETLINK
config SCSI_MQ_DEFAULT
bool "SCSI: use blk-mq I/O path by default"
+ default y
depends on SCSI
---help---
This option enables the new blk-mq based I/O path for SCSI
again and see how we've improved in the last year and a half?
Johannes
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Johannes Thumshirn Storage
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