btrfs-progs: Remove a unused function offset_to_bitmap()

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>

diff --git a/free-space-cache.c b/free-space-cache.c
index 220449e..99ad420 100644 (file)
--- a/free-space-cache.c
+++ b/free-space-cache.c
@@ -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)
 {