io_uring: improve sq_thread waiting check

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If SQPOLL task finds a ring requesting it to continue running, no need
to set wake flag to rest of the rings as it will be cleared in a moment
anyway, so hide it in a single sqd->ctx_list loop.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/1ee5a696d9fd08645994c58ee147d149a8957d94.1621201931.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Pavel Begunkov 2021-05-16 22:58:01 +01:00 • committed by Jens Axboe

parent e4b6d902a9

commit aaa9f0f481

1 changed files with 2 additions and 3 deletions

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fs/io_uring.c

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