io-wq: warn on creating manager while exiting

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Add a simple warning making sure that nobody tries to create a new
manager while we're under IO_WQ_BIT_EXIT. That can potentially happen
due to racy work submission after final put.

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 11:02:18 +00:00 • committed by Jens Axboe

parent 1b00764f09

commit 678eeba481

1 changed files with 2 additions and 0 deletions

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fs/io-wq.c

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