--- fs/ext4/ext4.h

+++ fs/ext4/ext4.h

@@ -1931,11 +1931,6 @@ extern __le16 ext4_group_desc_csum(struc

struct ext4_group_desc *gdp);

extern int ext4_group_desc_csum_verify(struct ext4_sb_info *sbi, __u32 group,

struct ext4_group_desc *gdp);

-/* for debugging, sangwoo2.lee */

-extern void print_bh(struct super_block *sb, struct buffer_head *bh, int start, int len);

-extern void print_block_data(struct super_block *sb, sector_t blocknr, unsigned char *data_to_dump, int start, int len);

-/* for debugging */

-

static inline ext4_fsblk_t ext4_blocks_count(struct ext4_super_block *es)

{