diff options
| author | Pavel Begunkov <asml.silence@gmail.com> | 2023-04-04 13:39:56 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2023-04-04 09:30:39 -0600 |
| commit | 757ef4682b6aa29fdf752ad47f0d63eb48b261cf (patch) | |
| tree | 758d3fc81a1c2e9c458b414fcd717bf5f4706437 /io_uring/rsrc.h | |
| parent | 1f2c8f610aa6c6a3dc3523f93eaf28c25051df6f (diff) | |
| download | lwn-757ef4682b6aa29fdf752ad47f0d63eb48b261cf.tar.gz lwn-757ef4682b6aa29fdf752ad47f0d63eb48b261cf.zip | |
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>
Diffstat (limited to 'io_uring/rsrc.h')
| -rw-r--r-- | io_uring/rsrc.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/io_uring/rsrc.h b/io_uring/rsrc.h index cf24c3fd701f..7ab9b2b2e757 100644 --- a/io_uring/rsrc.h +++ b/io_uring/rsrc.h @@ -33,8 +33,8 @@ struct io_rsrc_data { u64 **tags; unsigned int nr; rsrc_put_fn *do_put; - atomic_t refs; struct completion done; + int refs; bool quiesce; }; |