On Wed, May 17, 2023 at 02:30:47PM +0100, Pavel Begunkov wrote: > Aside that you decided to ignore the third point, that's a > generic interface, not nvme specific, there are patches for > net cmds, someone even tried to use it for drm. How do you > think new users are supposed to appear if the only helper > doing the job can hang the userspace for their use case? > Well, then maybe it'll remain nvme/ublk specific with such > an approach. New users can add new code when it's actualy needed. We don't bloat the kernel for maybe in the future crap as a policy.