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44 lines
1.1 KiB
44 lines
1.1 KiB
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/* |
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* Copyright (C) 2012 Fujitsu. All rights reserved. |
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* Written by Miao Xie <miaox@cn.fujitsu.com> |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public |
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* License v2 as published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public |
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* License along with this program; if not, write to the |
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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* Boston, MA 021110-1307, USA. |
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*/ |
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#ifndef __BTRFS_MATH_H |
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#define __BTRFS_MATH_H |
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#include <asm/div64.h> |
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static inline u64 div_factor(u64 num, int factor) |
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{ |
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if (factor == 10) |
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return num; |
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num *= factor; |
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do_div(num, 10); |
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return num; |
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} |
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static inline u64 div_factor_fine(u64 num, int factor) |
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{ |
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if (factor == 100) |
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return num; |
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num *= factor; |
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do_div(num, 100); |
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return num; |
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} |
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#endif
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