On Fri, 27 Jan 2023 02:59:11 -0800, Dylan Yudaken wrote:
> Drain requests all go through io_drain_req, which has a quick exit in case
> there is nothing pending (ie the drain is not useful). In that case it can
> run the issue the request immediately.
>
> However for safety it queues it through task work.
> The problem is that in this case the request is run asynchronously, but
> the async work has not been prepared through io_req_prep_async.
>
> [...]
Applied, thanks!
[1/1] io_uring: always prep_async for drain requests
commit: ef5c600adb1d985513d2b612cc90403a148ff287
Best regards,
--
Jens Axboe
