On 3/17/21 3:31 AM, Kanchan Joshi wrote: > 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. Sounds good! I commented on 1/3, I think it can be simplified and cleaned up quite a bit, which is great. Then let's base it on top of v4 that I posted, let me know if you run into any issues with that. -- Jens Axboe
