[GitHub/mt8127/android_kernel_alcatel_ttab.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 *root);

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

extern struct interval_tree_node *
interval_tree_iter_first(struct rb_root *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
	14	interval_tree_insert(struct interval_tree_node node, struct rb_root root);
	15
	16	extern void
	17	interval_tree_remove(struct interval_tree_node node, struct rb_root root);
	18
	19	extern struct interval_tree_node *
	20	interval_tree_iter_first(struct rb_root *root,
	21	unsigned long start, unsigned long last);
	22
	23	extern struct interval_tree_node *
	24	interval_tree_iter_next(struct interval_tree_node *node,
	25	unsigned long start, unsigned long last);
	26
	27	#endif /* _LINUX_INTERVAL_TREE_H */