io_uring: ensure only sqo_task has file notes

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For SQPOLL io_uring we want to have only one file note held by
sqo_task. Add a warning to make sure it holds. It's deep in
io_uring_add_task_file() out of hot path, so shouldn't hurt.

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

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Pavel Begunkov 2021-01-25 11:42:20 +00:00 • committed by Jens Axboe

parent 0bead8cd39

commit ecfc849282

1 changed files with 4 additions and 0 deletions

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fs/io_uring.c

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