On Tue, Feb 21, 2017 at 01:27:07PM +0100, Hannes Reinecke wrote: > The block layer already has the notion of 'reserved' commands, so > we should be enabling scsi hosts to allocate them. Only if using blk-mq so far, so this patch is incomplete. But fortunately I don't think you actually need this patch, see my reply to the next one for details.