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(parent: 04c76b4) | patch
io_uring: don't spinlock when not posting CQEs
authorPavel Begunkov <asml.silence@gmail.com>
Wed, 10 Nov 2021 15:49:33 +0000 (15:49 +0000)
committerJens Axboe <axboe@kernel.dk>
Wed, 24 Nov 2021 18:17:53 +0000 (11:17 -0700)
commit3d4aeb9f98058c3bdfef5286e240cf18c50fee89
tree247e0136427a62faff8447d9b477c20a0839e391tree | snapshot
parent04c76b41ca974b508522831441dd7e5b1b59cbb0commit | diff
io_uring: don't spinlock when not posting CQEs

When no of queued for the batch completion requests need to post an CQE,
see IOSQE_CQE_SKIP_SUCCESS, avoid grabbing ->completion_lock and other
commit/post.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/8d4b4a08bca022cbe19af00266407116775b3e4d.1636559119.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/io_uring.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git