[PATCH v3 02/11] io_uring: refactor io_wake_function

Pavel Begunkov
2023-01-09T14:51:25Z

Remove a local variable ctx in io_wake_function(), we don't need it if
io_should_wake() triggers it to wake up.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
---
io_uring/io_uring.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 89dd2827a977..157e6ef6da7c 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -2441,15 +2441,13 @@ static inline bool io_should_wake(struct io_wait_queue *iowq)
static int io_wake_function(struct wait_queue_entry *curr, unsigned int mode,
int wake_flags, void *key)
{
- struct io_wait_queue *iowq = container_of(curr, struct io_wait_queue,
- wq);
- struct io_ring_ctx *ctx = iowq->ctx;
+ struct io_wait_queue *iowq = container_of(curr, struct io_wait_queue, wq);

/*
* Cannot safely flush overflowed CQEs from here, ensure we wake up
* the task, and the next invocation will do it.
*/
- if (io_should_wake(iowq) || io_has_work(ctx))
+ if (io_should_wake(iowq) || io_has_work(iowq->ctx))
return autoremove_wake_function(curr, mode, wake_flags, key);
return -1;
}
--
2.38.1