swh:1:snp:c3bf2749e3476071fa748f67b0ffa2fdc5fe49d9
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Tip revision: d1221cea11fca0f6946bdd032a45b22cecfc0f99 authored by Linus Torvalds on 13 September 2022, 13:11:38 UTC
Merge tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Tip revision: d1221ce
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;
}

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);

#define MAX_RESOURCE ((resource_size_t)~0)
static inline resource_size_t cap_resource(u64 val)
{
	if (val > MAX_RESOURCE)
		return MAX_RESOURCE;

	return val;
}
#endif
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