Store a cookie during submission, and use that to implement
completion-polling inside the ->uring_cmd_iopoll handler.
This handler makes use of existing bio poll facility.
Signed-off-by: NKanchan Joshi <joshi.k@samsung.com>
Signed-off-by: NAnuj Gupta <anuj20.g@samsung.com>
Link: https://lore.kernel.org/r/20220823161443.49436-5-joshi.k@samsung.comSigned-off-by: NJens Axboe <axboe@kernel.dk>