--- fs/ext4/ialloc.c

+++ fs/ext4/ialloc.c

@@ -285,8 +285,12 @@ out:

if (!fatal)

fatal = err;

ext4_mark_super_dirty(sb);

- } else

+ } else {

+ /* for debugging, sangwoo2.lee */

+ print_bh(sb, bitmap_bh, 0, EXT4_BLOCK_SIZE(sb));

+ /* for debugging */

ext4_error(sb, "bit already cleared for inode %lu", ino);

+ }

error_return:

brelse(bitmap_bh);