/*
   * Copyright (C) 2012 Fujitsu.  All rights reserved.
   * Written by Miao Xie <miaox@cn.fujitsu.com>
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU General Public
   * License v2 as published by the Free Software Foundation.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * General Public License for more details.
   *
   * You should have received a copy of the GNU General Public
   * License along with this program; if not, write to the
   * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   * Boston, MA 021110-1307, USA.
   */
  
  #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