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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
| commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
| tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /fs/btrfs/math.h | |
| parent | Initial commit. (diff) | |
| download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip | |
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fs/btrfs/math.h')
| -rw-r--r-- | fs/btrfs/math.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/fs/btrfs/math.h b/fs/btrfs/math.h new file mode 100644 index 000000000..75246f2f5 --- /dev/null +++ b/fs/btrfs/math.h @@ -0,0 +1,28 @@ +/* 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 |