On Fri, Feb 17, 2017 at 09:06:14AM +0100, Hannes Reinecke wrote: > We could, but why? > ATM we're only having SCSI devices able to use device handler; adding > another layer of indirection doesn't solve anything here. > Moving the infrastructure one level up will only make sense if we're > getting non-SCSI device handler (ANA?), but until then I'd think it's > just overengineering. Agreed. Independent of what does the balancing between queues hardware handler should be attached by the low-level driver for any future transport without any control from DM.