On Mon, Dec 14, 2020 at 07:00:57PM -0800, Palmer Dabbelt wrote: > I haven't gotten a whole lot of feedback, so I'm inclined to at least have some > reasonable performance numbers before bothering with a v2. FYI, my other main worry beside duplicating nbd is that device mapper really is a stacked interface that sits on top of other block device. Turning this into something else that just pipes data to userspace seems very strange.