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btrfs-progs: Remove a unused function offset_to_bitmap()

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Fix the following clang warning:

free-space-cache.c:464:19: warning: unused function 'offset_to_bitmap'
[-Wunused-function]
static inline u64 offset_to_bitmap(struct btrfs_free_space_ctl *ctl,
                  ^
1 warning generated.

Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Reviewed-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
This commit is contained in:
Qu Wenruo 2014-12-19 14:13:11 +08:00 committed by David Sterba
parent fc42d7f1df
commit 97bf00f595
1 changed files with 0 additions and 16 deletions
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16
free-space-cache.c
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@ -461,22 +461,6 @@ static inline unsigned long bytes_to_bits(u64 bytes, u32 unit)
return (unsigned long)(bytes / unit);
}
static inline u64 offset_to_bitmap(struct btrfs_free_space_ctl *ctl,
u64 offset)
{
u64 bitmap_start;
u64 bytes_per_bitmap;
u32 sectorsize = ctl->sectorsize;
bytes_per_bitmap = BITS_PER_BITMAP(sectorsize) * ctl->unit;
bitmap_start = offset - ctl->start;
bitmap_start = bitmap_start / bytes_per_bitmap;
bitmap_start *= bytes_per_bitmap;
bitmap_start += ctl->start;
return bitmap_start;
}
static int tree_insert_offset(struct rb_root *root, u64 offset,
struct rb_node *node, int bitmap)
{