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io_uring: don't fail links for EAGAIN error in IOPOLL mode

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In IOPOLL mode, for EAGAIN error, we'll try to submit io request
again using io-wq, so don't fail rest of links if this io request
has links.

Cc: stable@vger.kernel.org
Signed-off-by: Xiaoguang Wang <xiaoguang.wang@linux.alibaba.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Xiaoguang Wang 2020-06-16 02:06:37 +08:00 committed by Jens Axboe
parent 801dd57bd1
commit 2d7d67920e
1 changed files with 1 additions and 1 deletions
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2
fs/io_uring.c
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@ -1988,7 +1988,7 @@ static void io_complete_rw_iopoll(struct kiocb *kiocb, long res, long res2)
if (kiocb->ki_flags & IOCB_WRITE)
kiocb_end_write(req);
if (res != req->result)
if (res != -EAGAIN && res != req->result)
req_set_fail_links(req);
req->result = res;
if (res != -EAGAIN)