[linux-2.6-block.git] / include / linux / range.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_RANGE_H
#define _LINUX_RANGE_H
#include <linux/types.h>

struct range {
	u64   start;
	u64   end;
};

static inline u64 range_len(const struct range *range)
{
	return range->end - range->start + 1;
}

static inline bool range_contains(struct range *r1, struct range *r2)
{
	return r1->start <= r2->start && r1->end >= r2->end;
}

int add_range(struct range *range, int az, int nr_range,
		u64 start, u64 end);


int add_range_with_merge(struct range *range, int az, int nr_range,
				u64 start, u64 end);

void subtract_range(struct range *range, int az, u64 start, u64 end);

int clean_sort_range(struct range *range, int az);

void sort_range(struct range *range, int nr_range);

#endif
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
27811d8c YL	2	#ifndef _LINUX_RANGE_H
27811d8c YL	3	#define _LINUX_RANGE_H
a4574f63	4	#include <linux/types.h>
27811d8c YL	5
	6	struct range {
	7	u64 start;
	8	u64 end;
	9	};
	10
a4574f63 DW	11	static inline u64 range_len(const struct range *range)
	12	{
	13	return range->end - range->start + 1;
	14	}
	15
93c177fd DW	16	static inline bool range_contains(struct range r1, struct range r2)
	17	{
	18	return r1->start <= r2->start && r1->end >= r2->end;
	19	}
	20
27811d8c YL	21	int add_range(struct range *range, int az, int nr_range,
	22	u64 start, u64 end);
	23
	24
	25	int add_range_with_merge(struct range *range, int az, int nr_range,
	26	u64 start, u64 end);
	27
	28	void subtract_range(struct range *range, int az, u64 start, u64 end);
	29
	30	int clean_sort_range(struct range *range, int az);
	31
	32	void sort_range(struct range *range, int nr_range);
	33
	34	#endif