On Fri, 01 Sep 2023 21:49:16 +0800, Ming Lei wrote:
> io_wq_put_and_exit() is called from do_exit(), but all FIXED_FILE requests
> in io_wq aren't canceled in io_uring_cancel_generic() called from do_exit().
> Meantime io_wq IO code path may share resource with normal iopoll code
> path.
>
> So if any HIPRI request is submittd via io_wq, this request may not get resouce
> for moving on, given iopoll isn't possible in io_wq_put_and_exit().
>
> [...]
Applied, thanks!
[1/1] io_uring: fix IO hang in io_wq_put_and_exit from do_exit()
commit: b484a40dc1f16edb58e5430105a021e1916e6f27
Best regards,
--
Jens Axboe
