[PATCH 13/17] nvme: allow user passthrough commands to poll

[Christoph Hellwig]

On Wed, Mar 09, 2022 at 12:33:33PM +0530, Kanchan Joshi wrote:
> Would it be better if we don't try to pass NVME_HIPRI by any means
> (flags or rsvd1/rsvd2), and that means not enabling sync-polling and
> killing this patch.
> We have another flag "IO_URING_F_UCMD_POLLED" in ioucmd->flags, and we
> can use that instead to enable only the async polling. What do you
> think?

Yes, polling should be a io_uring level feature.