diff mbox series

[v3,02/11] io_uring: refactor io_wake_function

Message ID e60eb1008aebe286aab7d34c772ed01c447bddb1.1673274244.git.asml.silence@gmail.com (mailing list archive)
State New
Headers show
Series CQ waiting / task_work optimisations | expand

Commit Message

Pavel Begunkov Jan. 9, 2023, 2:46 p.m. UTC 
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 mbox series

Patch

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;
 }