Cherry-pick patch request for 5.15-stable

[Jens Axboe <axboe@xxxxxxxxx>]

Hi,

Can you cherrypick:

commit e74ead135bc4459f7d40b1f8edab1333a28b54e8
Author: Pavel Begunkov <asml.silence@xxxxxxxxx>
Date:   Sun Oct 17 00:07:08 2021 +0100

    io_uring: arm poll for non-nowait files

into 5.15-stable? It should apply cleanly.

Thanks,
-- 
Jens Axboe