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authorThomas Zimmermann <tzimmermann@suse.de>2026-04-27 10:26:49 +0200
committerThomas Zimmermann <tzimmermann@suse.de>2026-04-27 10:26:49 +0200
commit0fc8f6200d2313278fbf4539bbab74677c685531 (patch)
tree35f839d8e2244e0575cbdf60e8505048b5424885 /include/linux/timerqueue.h
parentd13e855ee923c2ae78307bf6c354305f1406b9e2 (diff)
parent254f49634ee16a731174d2ae34bc50bd5f45e731 (diff)
Merge drm/drm-fixes into drm-misc-fixes
Getting fixes and updates from v7.1-rc1. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'include/linux/timerqueue.h')
-rw-r--r--include/linux/timerqueue.h56
1 files changed, 48 insertions, 8 deletions
diff --git a/include/linux/timerqueue.h b/include/linux/timerqueue.h
index d306d9dd2207..7d0aaa766580 100644
--- a/include/linux/timerqueue.h
+++ b/include/linux/timerqueue.h
@@ -5,12 +5,11 @@
#include <linux/rbtree.h>
#include <linux/timerqueue_types.h>
-extern bool timerqueue_add(struct timerqueue_head *head,
- struct timerqueue_node *node);
-extern bool timerqueue_del(struct timerqueue_head *head,
- struct timerqueue_node *node);
-extern struct timerqueue_node *timerqueue_iterate_next(
- struct timerqueue_node *node);
+bool timerqueue_add(struct timerqueue_head *head, struct timerqueue_node *node);
+bool timerqueue_del(struct timerqueue_head *head, struct timerqueue_node *node);
+struct timerqueue_node *timerqueue_iterate_next(struct timerqueue_node *node);
+
+bool timerqueue_linked_add(struct timerqueue_linked_head *head, struct timerqueue_linked_node *node);
/**
* timerqueue_getnext - Returns the timer with the earliest expiration time
@@ -19,8 +18,7 @@ extern struct timerqueue_node *timerqueue_iterate_next(
*
* Returns a pointer to the timer node that has the earliest expiration time.
*/
-static inline
-struct timerqueue_node *timerqueue_getnext(struct timerqueue_head *head)
+static inline struct timerqueue_node *timerqueue_getnext(struct timerqueue_head *head)
{
struct rb_node *leftmost = rb_first_cached(&head->rb_root);
@@ -41,4 +39,46 @@ static inline void timerqueue_init_head(struct timerqueue_head *head)
{
head->rb_root = RB_ROOT_CACHED;
}
+
+/* Timer queues with linked nodes */
+
+static __always_inline
+struct timerqueue_linked_node *timerqueue_linked_first(struct timerqueue_linked_head *head)
+{
+ return rb_entry_safe(head->rb_root.rb_leftmost, struct timerqueue_linked_node, node);
+}
+
+static __always_inline
+struct timerqueue_linked_node *timerqueue_linked_next(struct timerqueue_linked_node *node)
+{
+ return rb_entry_safe(node->node.next, struct timerqueue_linked_node, node);
+}
+
+static __always_inline
+struct timerqueue_linked_node *timerqueue_linked_prev(struct timerqueue_linked_node *node)
+{
+ return rb_entry_safe(node->node.prev, struct timerqueue_linked_node, node);
+}
+
+static __always_inline
+bool timerqueue_linked_del(struct timerqueue_linked_head *head, struct timerqueue_linked_node *node)
+{
+ return rb_erase_linked(&node->node, &head->rb_root);
+}
+
+static __always_inline void timerqueue_linked_init(struct timerqueue_linked_node *node)
+{
+ RB_CLEAR_LINKED_NODE(&node->node);
+}
+
+static __always_inline bool timerqueue_linked_node_queued(struct timerqueue_linked_node *node)
+{
+ return !RB_EMPTY_LINKED_NODE(&node->node);
+}
+
+static __always_inline void timerqueue_linked_init_head(struct timerqueue_linked_head *head)
+{
+ head->rb_root = RB_ROOT_LINKED;
+}
+
#endif /* _LINUX_TIMERQUEUE_H */