linux/drivers/block/drbd/drbd_interval.h

/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __DRBD_INTERVAL_H
#define __DRBD_INTERVAL_H

#include <linux/types.h>
#include <linux/rbtree.h>

struct drbd_interval { … };

static inline void drbd_clear_interval(struct drbd_interval *i)
{ … }

static inline bool drbd_interval_empty(struct drbd_interval *i)
{ … }

extern bool drbd_insert_interval(struct rb_root *, struct drbd_interval *);
extern bool drbd_contains_interval(struct rb_root *, sector_t,
				   struct drbd_interval *);
extern void drbd_remove_interval(struct rb_root *, struct drbd_interval *);
extern struct drbd_interval *drbd_find_overlap(struct rb_root *, sector_t,
					unsigned int);
extern struct drbd_interval *drbd_next_overlap(struct drbd_interval *, sector_t,
					unsigned int);

#define drbd_for_each_overlap(i, root, sector, size) …

#endif  /* __DRBD_INTERVAL_H */