[mirror_ubuntu-eoan-kernel.git] / include / linux / interval_tree.h

#ifndef _LINUX_INTERVAL_TREE_H
#define _LINUX_INTERVAL_TREE_H

#include <linux/rbtree.h>

struct interval_tree_node {
	struct rb_node rb;
	unsigned long start;	/* Start of interval */
	unsigned long last;	/* Last location _in_ interval */
	unsigned long __subtree_last;
};

extern void
interval_tree_insert(struct interval_tree_node *node,
		     struct rb_root_cached *root);

extern void
interval_tree_remove(struct interval_tree_node *node,
		     struct rb_root_cached *root);

extern struct interval_tree_node *
interval_tree_iter_first(struct rb_root_cached *root,
			 unsigned long start, unsigned long last);

extern struct interval_tree_node *
interval_tree_iter_next(struct interval_tree_node *node,
			unsigned long start, unsigned long last);

#endif	/* _LINUX_INTERVAL_TREE_H */
Commit	Line	Data
fff3fd8a ML	1	#ifndef _LINUX_INTERVAL_TREE_H
	2	#define _LINUX_INTERVAL_TREE_H
	3
	4	#include <linux/rbtree.h>
	5
	6	struct 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
	13	extern void
f808c13f DB	14	interval_tree_insert(struct interval_tree_node *node,
f808c13f DB	15	struct rb_root_cached *root);
fff3fd8a ML	16
fff3fd8a ML	17	extern void
f808c13f DB	18	interval_tree_remove(struct interval_tree_node *node,
f808c13f DB	19	struct rb_root_cached *root);
fff3fd8a ML	20
fff3fd8a ML	21	extern struct interval_tree_node *
f808c13f	22	interval_tree_iter_first(struct rb_root_cached *root,
fff3fd8a ML	23	unsigned long start, unsigned long last);
	24
	25	extern struct interval_tree_node *
	26	interval_tree_iter_next(struct interval_tree_node *node,
	27	unsigned long start, unsigned long last);
	28
	29	#endif /* _LINUX_INTERVAL_TREE_H */