io_uring: cancel reqs of all iowq's on ring exit

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io_ring_exit_work() have to cancel all requests, including those staying
in io-wq, however it tries only cancellation of current tctx, which is
NULL. If we've got task==NULL, use the ctx-to-tctx map to go over all
tctx/io-wq and try cancellations on them.

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

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Pavel Begunkov 2021-03-06 11:02:17 +00:00 • committed by Jens Axboe

parent b5bb3a24f6

commit 1b00764f09

1 changed files with 39 additions and 3 deletions

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fs/io_uring.c

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