Re: [PATCH v2] io_uring: use blk_queue_nowait() to check if NOWAIT supported

[Jens Axboe <axboe@xxxxxxxxx>]

On 10/19/20 2:59 AM, Jeffle Xu wrote:
> commit 021a24460dc2 ("block: add QUEUE_FLAG_NOWAIT") adds a new helper
> function blk_queue_nowait() to check if the bdev supports handling of
> REQ_NOWAIT or not. Since then bio-based dm device can also support
> REQ_NOWAIT, and currently only dm-linear supports that since
> commit 6abc49468eea ("dm: add support for REQ_NOWAIT and enable it for
> linear target").

Thanks, looks good to me.

> Fixes: 4503b7676a2e ("io_uring: catch -EIO from buffered issue request failure")

Removing this one though, there was no other option back then, so it's
not really fixing an issue with that patch, just updating the code in
general.

-- 
Jens Axboe