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(parent: 1f2c8f6) | patch
io_uring/rsrc: optimise io_rsrc_data refcounting
authorPavel Begunkov <asml.silence@gmail.com>
Tue, 4 Apr 2023 12:39:56 +0000 (13:39 +0100)
committerJens Axboe <axboe@kernel.dk>
Tue, 4 Apr 2023 15:30:39 +0000 (09:30 -0600)
commit757ef4682b6aa29fdf752ad47f0d63eb48b261cf
tree758d3fc81a1c2e9c458b414fcd717bf5f4706437tree | snapshot
parent1f2c8f610aa6c6a3dc3523f93eaf28c25051df6fcommit | diff
io_uring/rsrc: optimise io_rsrc_data refcounting

Every struct io_rsrc_node takes a struct io_rsrc_data reference, which
means all rsrc updates do 2 extra atomics. Replace atomics refcounting
with a int as it's all done under ->uring_lock.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/e73c3d6820cf679532696d790b5b8fae23537213.1680576071.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
io_uring/rsrc.c diff | blob | history
io_uring/rsrc.h diff | blob | history
Domain: System / Kernel;