io_uring: clear req->result on IOPOLL re-issue

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Make sure we clear req->result, which was set to -EAGAIN for retry
purposes, when moving it to the reissue list. Otherwise we can end up
retrying a request more than once, which leads to weird results in
the io-wq handling (and other spots).

Cc: stable@vger.kernel.org
Reported-by: Andres Freund <andres@anarazel.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Jens Axboe 2020-08-26 18:58:26 -06:00

parent 0fef948363

commit 56450c20fe

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fs/io_uring.c

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