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[for-next,02/10] io_uring: move defer_list to slow data

Message ID e16379391ca72b490afdd24e8944baab849b4a7b.1655310733.git.asml.silence@gmail.com (mailing list archive)
State New
Headers show
Series 5.20 cleanups | expand

Commit Message

Pavel Begunkov June 15, 2022, 4:33 p.m. UTC 
draining is slow path, move defer_list to the end where slow data lives
inside the context.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
---
 io_uring/io_uring_types.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/io_uring/io_uring_types.h b/io_uring/io_uring_types.h
index 147e1e597530..bff73107f0f3 100644
--- a/io_uring/io_uring_types.h
+++ b/io_uring/io_uring_types.h
@@ -160,7 +160,6 @@  struct io_ring_ctx {
 		struct io_uring_sqe	*sq_sqes;
 		unsigned		cached_sq_head;
 		unsigned		sq_entries;
-		struct list_head	defer_list;
 
 		/*
 		 * Fixed resources fast path, should be accessed only under
@@ -272,8 +271,12 @@  struct io_ring_ctx {
 		struct work_struct		exit_work;
 		struct list_head		tctx_list;
 		struct completion		ref_comp;
+
+		/* io-wq management, e.g. thread count */
 		u32				iowq_limits[2];
 		bool				iowq_limits_set;
+
+		struct list_head		defer_list;
 	};
 };