[RFC PATCH v3 0/3] Async nvme passthrough over io_uring

[Kanchan Joshi]

On Tue, Mar 16, 2021 at 9:31 PM Jens Axboe <axboe at kernel.dk> wrote:
>
> On 3/16/21 8:01 AM, Kanchan Joshi wrote:
> > This series adds async passthrough capability for nvme block-dev over
> > iouring_cmd. The patches are on top of Jens uring-cmd branch:
> > https://git.kernel.dk/cgit/linux-block/log/?h=io_uring-fops.v3
> >
> > Application is expected to allocate passthrough command structure, set
> > it up traditionally, and pass its address via "block_uring_cmd->addr".
> > On completion, CQE is posted with completion-status after any ioctl
> > specific buffer/field update.
>
> Do you have a test app? I'd be curious to try and add support for this
> to t/io_uring from fio just to run some perf numbers.

Yes Jens. Need to do a couple of things to make it public, will post it today.