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(parent: e4b6d90) | 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, 14 Jun 2021 14:23:04 +0000 (08:23 -0600)
commitaaa9f0f48172b190a835792abe63f8859372eeec
tree5f464cdfbd80b98ce8b200c7d1d9d230fa4ef95btree | snapshot
parente4b6d902a9e38f424ce118106ea4d1665b7951b5commit | 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 | blame | history
Linux 6.x block layer and io_uring tree(s)