diff options
| 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/volumes.c | |
| parent | 29594404d7fe73cd80eaa4ee8c43dcc53970c60e (diff) | |
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/volumes.c')
| -rw-r--r-- | fs/btrfs/volumes.c | 23 |
1 files changed, 1 insertions, 22 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 0f5ebb72a5e..a8adf268647 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -25,7 +25,6 @@ #include <linux/capability.h> #include <linux/ratelimit.h> #include <linux/kthread.h> -#include <asm/div64.h> #include "compat.h" #include "ctree.h" #include "extent_map.h" @@ -36,6 +35,7 @@ #include "async-thread.h" #include "check-integrity.h" #include "rcu-string.h" +#include "math.h" static int init_first_rw_device(struct btrfs_trans_handle *trans, struct btrfs_root *root, @@ -2338,18 +2338,6 @@ static int chunk_profiles_filter(u64 chunk_type, return 1; } -static u64 div_factor_fine(u64 num, int factor) -{ - if (factor <= 0) - return 0; - if (factor >= 100) - return num; - - num *= factor; - do_div(num, 100); - return num; -} - static int chunk_usage_filter(struct btrfs_fs_info *fs_info, u64 chunk_offset, struct btrfs_balance_args *bargs) { @@ -2514,15 +2502,6 @@ static int should_balance_chunk(struct btrfs_root *root, return 1; } -static u64 div_factor(u64 num, int factor) -{ - if (factor == 10) - return num; - num *= factor; - do_div(num, 10); - return num; -} - static int __btrfs_balance(struct btrfs_fs_info *fs_info) { struct btrfs_balance_control *bctl = fs_info->balance_ctl; |