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io_uring: don't double complete failed reissue request

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Zorro reports that an xfstest test case is failing, and it turns out that
for the reissue path we can potentially issue a double completion on the
request for the failure path. There's an issue around the retry as well,
but for now, at least just make sure that we handle the error path
correctly.

Cc: stable@vger.kernel.org
Fixes: b63534c41e ("io_uring: re-issue block requests that failed because of resources")
Reported-by: Zorro Lang <zlang@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2020-11-17 07:59:16 -07:00
parent 0abed7c69b
commit c993df5a68
1 changed files with 0 additions and 1 deletions
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fs/io_uring.c
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@ -2578,7 +2578,6 @@ static bool io_resubmit_prep(struct io_kiocb *req, int error)
}
end_req:
req_set_fail_links(req);
io_req_complete(req, ret);
return false;
}
#endif