-extern ext4_fsblk_t ext4_block_bitmap(struct ext4_group_desc *bg);
-extern ext4_fsblk_t ext4_inode_bitmap(struct ext4_group_desc *bg);
-extern ext4_fsblk_t ext4_inode_table(struct ext4_group_desc *bg);
-extern void ext4_block_bitmap_set(struct ext4_group_desc *bg, ext4_fsblk_t blk);
-extern void ext4_inode_bitmap_set(struct ext4_group_desc *bg, ext4_fsblk_t blk);
-extern void ext4_inode_table_set(struct ext4_group_desc *bg, ext4_fsblk_t blk);
+extern ext4_fsblk_t ext4_block_bitmap(struct super_block *sb,
+ struct ext4_group_desc *bg);
+extern ext4_fsblk_t ext4_inode_bitmap(struct super_block *sb,
+ struct ext4_group_desc *bg);
+extern ext4_fsblk_t ext4_inode_table(struct super_block *sb,
+ struct ext4_group_desc *bg);
+extern void ext4_block_bitmap_set(struct super_block *sb,
+ struct ext4_group_desc *bg, ext4_fsblk_t blk);
+extern void ext4_inode_bitmap_set(struct super_block *sb,
+ struct ext4_group_desc *bg, ext4_fsblk_t blk);
+extern void ext4_inode_table_set(struct super_block *sb,
+ struct ext4_group_desc *bg, ext4_fsblk_t blk);