On Tue, Mar 16, 2021 at 9:31 PM Jens Axboe <axboe@xxxxxxxxx> 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.
