On Wed, Sep 24 2014 at 2:48pm -0400, Mike Snitzer <snitzer@xxxxxxxxxx> wrote: > On Wed, Sep 24 2014 at 2:34pm -0400, > Mike Snitzer <snitzer@xxxxxxxxxx> wrote: > > > > > I never did take the time to properly review Hannes' proposal but now > > that you're floating this blk-mq support for DM core (and DM mpath) I'm > > clearly going to have to take this all on in a much more focused way. > > > > Christoph/Hannes/Junichi/Keith/others, can you see a way forward that > > offers a lighter request-based DM that makes required callouts to (new?) > > block interfaces that helps us abstract the old request and blk-mq > > request allocation, etc? > > (sorry about replying to myself...) > > SO revisiting that thread from above, these posts stand out: > http://www.redhat.com/archives/dm-devel/2014-June/msg00026.html > http://www.redhat.com/archives/dm-devel/2014-June/msg00028.html > > I'd love to see us get rid of request-based DM's bio cloning for each > cloned request (we never did get an answer from the NEC guys to know > _why_ that was done). Actually, Junichi did respond with why: http://www.redhat.com/archives/dm-devel/2014-June/msg00033.html So this needs more review and thought. -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
