1 #ifndef _LINUX_INTERVAL_TREE_H
2 #define _LINUX_INTERVAL_TREE_H
4 #include <linux/rbtree.h>
6 struct interval_tree_node {
8 unsigned long start; /* Start of interval */
9 unsigned long last; /* Last location _in_ interval */
10 unsigned long __subtree_last;
14 interval_tree_insert(struct interval_tree_node *node, struct rb_root *root);
17 interval_tree_remove(struct interval_tree_node *node, struct rb_root *root);
19 extern struct interval_tree_node *
20 interval_tree_iter_first(struct rb_root *root,
21 unsigned long start, unsigned long last);
23 extern struct interval_tree_node *
24 interval_tree_iter_next(struct interval_tree_node *node,
25 unsigned long start, unsigned long last);
27 #endif /* _LINUX_INTERVAL_TREE_H */