https://github.com/torvalds/linux
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Tip revision: b04e217704b7f879c6b91222b066983a44a7a09f authored by Linus Torvalds on 27 May 2018, 20:01:47 UTC
Linux 4.17-rc7
Tip revision: b04e217
math.h
/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (C) 2012 Fujitsu.  All rights reserved.
 * Written by Miao Xie <miaox@cn.fujitsu.com>
 */

#ifndef BTRFS_MATH_H
#define BTRFS_MATH_H

#include <asm/div64.h>

static inline u64 div_factor(u64 num, int factor)
{
	if (factor == 10)
		return num;
	num *= factor;
	return div_u64(num, 10);
}

static inline u64 div_factor_fine(u64 num, int factor)
{
	if (factor == 100)
		return num;
	num *= factor;
	return div_u64(num, 100);
}

#endif
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