ext4: Remove stale block allocator references from ext4.h

Remove some leftovers from when the old block allocator was removed
(c2ea3fde).  ext4_sb_info is now a bit lighter.  Also remove a dangling
read_block_bitmap() prototype.

Signed-off-by: Mike Snitzer <snitzer@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

1 files changed, 0 insertions, 1 deletions

diff --git a/fs/ext4/mballoc.h b/fs/ext4/mballoc.h
index 10a2921baf14..7acf5ef24537 100644
--- a/fs/ext4/mballoc.h
+++ b/fs/ext4/mballoc.h
@@ -247,7 +247,6 @@ static inline void ext4_mb_store_history(struct ext4_allocation_context *ac)
 
 #define in_range(b, first, len) ((b) >= (first) && (b) <= (first) + (len) - 1)
 
-struct buffer_head *read_block_bitmap(struct super_block *, ext4_group_t);
 static inline ext4_fsblk_t ext4_grp_offs_to_block(struct super_block *sb,
                                         struct ext4_free_extent *fex)
 {