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| author | Miao Xie <miaox@cn.fujitsu.com> | 2012-09-13 04:51:36 -0600 |
|---|---|---|
| committer | Josef Bacik <jbacik@fusionio.com> | 2012-12-11 13:31:30 -0500 |
| commit | 3fed40cc97f32bebfd34a55364de9b44dcbede59 (patch) | |
| tree | e0e991e2d7ff5643c07f2b63395c0d9e744596ba /fs/btrfs/extent-tree.c | |
| parent | 29594404d7fe73cd80eaa4ee8c43dcc53970c60e (diff) | |
| download | linux-3fed40cc97f32bebfd34a55364de9b44dcbede59.tar.gz linux-3fed40cc97f32bebfd34a55364de9b44dcbede59.tar.bz2 linux-3fed40cc97f32bebfd34a55364de9b44dcbede59.zip | |
Btrfs: cleanup duplicated division functions
div_factor{_fine} has been implemented for two times, cleanup it.
And I move them into a independent file named math.h because they are
common math functions.
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Diffstat (limited to 'fs/btrfs/extent-tree.c')
| -rw-r--r-- | fs/btrfs/extent-tree.c | 19 |
1 files changed, 1 insertions, 18 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 3d3e2c17d8d1..7563db782abf 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -33,6 +33,7 @@ #include "volumes.h" #include "locking.h" #include "free-space-cache.h" +#include "math.h" #undef SCRAMBLE_DELAYED_REFS @@ -649,24 +650,6 @@ void btrfs_clear_space_info_full(struct btrfs_fs_info *info) rcu_read_unlock(); } -static u64 div_factor(u64 num, int factor) -{ - if (factor == 10) - return num; - num *= factor; - do_div(num, 10); - return num; -} - -static u64 div_factor_fine(u64 num, int factor) -{ - if (factor == 100) - return num; - num *= factor; - do_div(num, 100); - return num; -} - u64 btrfs_find_block_group(struct btrfs_root *root, u64 search_start, u64 search_hint, int owner) { |