io_uring: fix error handling in io_queue_link_head

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In case of an error io_submit_sqe() drops a request and continues
without it, even if the request was a part of a link. Not only it
doesn't cancel links, but also may execute wrong sequence of actions.

Stop consuming sqes, and let the user handle errors.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Pavel Begunkov 2019-12-05 16:15:45 +03:00 • committed by Jens Axboe

parent 78076bb64a

commit 2e6e1fde32

1 changed files with 7 additions and 5 deletions

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fs/io_uring.c

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