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

[Jens Axboe]

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