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(parent: aeca241) | patch
io_uring: improve sqo stop
authorPavel Begunkov <asml.silence@gmail.com>
Sun, 11 Apr 2021 00:46:38 +0000 (01:46 +0100)
committerJens Axboe <axboe@kernel.dk>
Mon, 12 Apr 2021 15:33:04 +0000 (09:33 -0600)
commit88885f66e8c66311923c16caf1ccb6415ebfef72
treed53bd24884001e23296fff656e9f217433485a6etree | snapshot
parentaeca241b0bdd831ad5706605f5e09b44fe940220commit | diff
io_uring: improve sqo stop

Set IO_SQ_THREAD_SHOULD_STOP before taking sqd lock, so the sqpoll task
sees earlier. Not a problem, it will stop eventually. Also check
invariant that it's stopped only once.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/653b24ee93843a50ff65a45847d9138f5adb76d7.1618101759.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/io_uring.c diff | blob | history
Domain: System / Kernel;