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(parent: 7f02c72) | patch
io_uring: improve sq_thread waiting check
authorPavel Begunkov <asml.silence@gmail.com>
Sun, 16 May 2021 21:58:01 +0000 (22:58 +0100)
committerJens Axboe <axboe@kernel.dk>
Mon, 24 May 2021 17:40:33 +0000 (11:40 -0600)
commite90672631e24ca446c0b208a7c954014fd05fc88
treeb596f99c53b26748408bda9f22ab0ab60fd79f75tree
parent7f02c72da9899d845b9fb2527de63b3585079740commit | diff
io_uring: improve sq_thread waiting check

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>
fs/io_uring.c diff | blob | history
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