From 01573e231f18eb2d99162747186f59511f56b64d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 08 Dec 2023 10:40:48 +0000
Subject: [PATCH] 移去rt
---
kernel/include/linux/timerqueue.h | 23 ++++++++++++++++-------
1 files changed, 16 insertions(+), 7 deletions(-)
diff --git a/kernel/include/linux/timerqueue.h b/kernel/include/linux/timerqueue.h
index 78b8cc7..9388408 100644
--- a/kernel/include/linux/timerqueue.h
+++ b/kernel/include/linux/timerqueue.h
@@ -12,8 +12,7 @@
};
struct timerqueue_head {
- struct rb_root head;
- struct timerqueue_node *next;
+ struct rb_root_cached rb_root;
};
@@ -29,13 +28,14 @@
*
* @head: head of timerqueue
*
- * Returns a pointer to the timer node that has the
- * earliest expiration time.
+ * Returns a pointer to the timer node that has the earliest expiration time.
*/
static inline
struct timerqueue_node *timerqueue_getnext(struct timerqueue_head *head)
{
- return head->next;
+ struct rb_node *leftmost = rb_first_cached(&head->rb_root);
+
+ return rb_entry(leftmost, struct timerqueue_node, node);
}
static inline void timerqueue_init(struct timerqueue_node *node)
@@ -43,9 +43,18 @@
RB_CLEAR_NODE(&node->node);
}
+static inline bool timerqueue_node_queued(struct timerqueue_node *node)
+{
+ return !RB_EMPTY_NODE(&node->node);
+}
+
+static inline bool timerqueue_node_expires(struct timerqueue_node *node)
+{
+ return node->expires;
+}
+
static inline void timerqueue_init_head(struct timerqueue_head *head)
{
- head->head = RB_ROOT;
- head->next = NULL;
+ head->rb_root = RB_ROOT_CACHED;
}
#endif /* _LINUX_TIMERQUEUE_H */
--
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