Re: [PATCH for-next 2/2] nvme: optimise io_uring passthrough completion

Christoph Hellwig
2023-05-17T13:53:58Z

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.