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Michel Lespinassefff3fd82012-10-08 16:31:23 -07001#ifndef _LINUX_INTERVAL_TREE_H
2#define _LINUX_INTERVAL_TREE_H
3
4#include <linux/rbtree.h>
5
6struct interval_tree_node {
7 struct rb_node rb;
8 unsigned long start; /* Start of interval */
9 unsigned long last; /* Last location _in_ interval */
10 unsigned long __subtree_last;
11};
12
13extern void
Davidlohr Buesof808c132017-09-08 16:15:08 -070014interval_tree_insert(struct interval_tree_node *node,
15 struct rb_root_cached *root);
Michel Lespinassefff3fd82012-10-08 16:31:23 -070016
17extern void
Davidlohr Buesof808c132017-09-08 16:15:08 -070018interval_tree_remove(struct interval_tree_node *node,
19 struct rb_root_cached *root);
Michel Lespinassefff3fd82012-10-08 16:31:23 -070020
21extern struct interval_tree_node *
Davidlohr Buesof808c132017-09-08 16:15:08 -070022interval_tree_iter_first(struct rb_root_cached *root,
Michel Lespinassefff3fd82012-10-08 16:31:23 -070023 unsigned long start, unsigned long last);
24
25extern struct interval_tree_node *
26interval_tree_iter_next(struct interval_tree_node *node,
27 unsigned long start, unsigned long last);
28
29#endif /* _LINUX_INTERVAL_TREE_H */