io_uring: switch cancel_hash to use per entry spinlock

Browse source

Add a new io_hash_bucket structure so that each bucket in cancel_hash
has separate spinlock. Use per entry lock for cancel_hash, this removes
some completion lock invocation and remove contension between different
cancel_hash entries.

Signed-off-by: Hao Xu <howeyxu@tencent.com>
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/05d1e135b0c8bce9d1441e6346776589e5783e26.1655371007.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

...

This commit is contained in:

Hao Xu 2022-06-16 10:22:02 +01:00 • committed by Jens Axboe

parent 3654ab0c51

commit 38513c464d

6 changed files with 80 additions and 40 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

14

io_uring/cancel.c

View file

6

io_uring/cancel.h

View file

9

io_uring/fdinfo.c

View file

9

io_uring/io_uring.c

View file

2

io_uring/io_uring_types.h

View file

80

io_uring/poll.c

View file