io_uring: always wait for sqd exited when stopping SQPOLL thread

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We have a tiny race where io_put_sq_data() calls io_sq_thead_stop()
and finds the thread gone, but the thread has indeed not fully
exited or called complete() yet. Close it up by always having
io_sq_thread_stop() wait on completion of the exit event.

Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Jens Axboe 2021-03-09 16:32:13 -07:00

parent 5199328a0d

commit e8f98f2454

1 changed files with 8 additions and 8 deletions

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fs/io_uring.c

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