Re: [PATCH 1/2] io_uring/rw: fix link failure on successful pipe short reads

On 6/10/26 7:22 PM, Yang Xiuwei wrote:
> __io_read() treats a short read on pipes and sockets as success and
> returns without filling the iov. However, __io_complete_rw_common()
> compared the transfer length against the original iov size and set
> REQ_F_FAIL when they did not match. That incorrectly failed linked
> requests behind a successful head request, for example a nop after a
> naturally disarmed link timeout.
> 
> Treat short reads and writes on non-regular files as success in
> __io_complete_rw_common(), matching the issue path.

Not sure I follow - the "short read/write is an IOSQE_IO_LINK failure"
is widely documented. So not sure I agree with this approach.

-- 
Jens Axboe