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. -- Jens Axboe