On Fri, 9 Sep 2022 12:11:49 +0100, Pavel Begunkov wrote:
> We have a couple of problems, first reports of unexpected link breakage
> for reads when cqe->res indicates that the IO was done in full. The
> reason here is partial IO with retries.
>
> TL;DR; we compare the result in __io_complete_rw_common() against
> req->cqe.res, but req->cqe.res doesn't store the full length but rather
> the length left to be done. So, when we pass the full corrected result
> via kiocb_done() -> __io_complete_rw_common(), it fails.
>
> [...]
Applied, thanks!
[1/1] io_uring/rw: fix short rw error handling
commit: 4d9cb92ca41dd8e905a4569ceba4716c2f39c75a
Best regards,
--
Jens Axboe
