[dm-devel] make the blk-mq stacking interface optional

[Mike Snitzer]

On Tue, Feb 15 2022 at  5:05P -0500,
Christoph Hellwig <hch at lst.de> wrote:

> Hi Jens,
> 
> this series requires an explicit select to use the blk-mq stacking
> interfaces.  This means they don't get build without dm support, and
> thus the buildbot should catch abuses like the one we had in the ufs
> driver more easily.  And while I touched this code I also ended up
> cleaning up various loose ends.

All look good to me, thanks, for series:

Reviewed-by: Mike Snitzer <snitzer at redhat.com>