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9888c3402c
Remove GPL boilerplate text (long, short, one-line) and keep the rest, ie. personal, company or original source copyright statements. Add the SPDX header. Unify the include protection macros to match the file names. Signed-off-by: David Sterba <dsterba@suse.com>
29 lines
487 B
C
29 lines
487 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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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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#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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return div_u64(num, 10);
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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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return div_u64(num, 100);
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}
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#endif
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