[dm-devel] [for-4.14 RFC PATCH 0/2] dm rq: eliminate historic blk-mq and .request_fn queue stacking restrictions

[Christoph Hellwig]

Btw, we might want to expedite this to 4.13, a 4.13 now defaults
to blk-mq for scsi, and this patch would make sure that dm keeps
on just working with that switch.