Re: [PATCH 1/2] io_uring: fail iopoll links if can't retry

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On Sun, Oct 17, 2021 at 08:30:55PM +0000, Pavel Begunkov wrote:
> If io_rw_should_reissue() fails in iopoll path and we can't reissue we
> fail the request. Don't forget to also mark it as failed, so links are
> broken.
> 
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Pavel Begunkov <asml.silence@xxxxxxxxx>
> ---
>  fs/io_uring.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/fs/io_uring.c b/fs/io_uring.c
> index 0d7613c7355c..40b1697e7354 100644
> --- a/fs/io_uring.c
> +++ b/fs/io_uring.c
> @@ -2687,6 +2687,7 @@ static void io_complete_rw_iopoll(struct kiocb *kiocb, long res, long res2)
>  			req->flags |= REQ_F_REISSUE;
>  			return;
>  		}
> +		req_set_fail(req);
>  		req->result = res;
>  	}
>  
> -- 
> 2.33.1
> 

<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree.  Please read:
    https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
for how to do this properly.

</formletter>



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