io_uring: fix multi ctx cancellation

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io_uring_try_cancel_requests() loops until there is nothing left to do
with the ring, however there might be several rings and they might have
dependencies between them, e.g. via poll requests.

Instead of cancelling rings one by one, try to cancel them all and only
then loop over if we still potenially some work to do.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/8d491fe02d8ac4c77ff38061cf86b9a827e8845c.1655684496.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Pavel Begunkov 2022-06-20 01:25:52 +01:00 • committed by Jens Axboe

parent d9dee4302a

commit affa87db90

1 changed files with 46 additions and 41 deletions

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io_uring/io_uring.c

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