io_uring: Fix race condition when sqp thread goes to sleep

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If an asynchronous completion happens before the task is preparing
itself to wait and set its state to TASK_INTERRUPTIBLE, the completion
will not wake up the sqp thread.

Cc: stable@vger.kernel.org
Signed-off-by: Olivier Langlois <olivier@trillion01.com>
Reviewed-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/d1419dc32ec6a97b453bee34dc03fa6a02797142.1624473200.git.olivier@trillion01.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Olivier Langlois 2021-06-23 11:50:11 -07:00 • committed by Jens Axboe

parent 7a778f9dc3

commit 9971350177

1 changed files with 1 additions and 1 deletions

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fs/io_uring.c

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