EXT4_XATTR_TRANS_BLOCKS
EXT4_XATTR_TRANS_BLOCKS - 2 + \
#define EXT4_META_TRANS_BLOCKS(sb) (EXT4_XATTR_TRANS_BLOCKS + \
4 + EXT4_XATTR_TRANS_BLOCKS);
EXT4_XATTR_TRANS_BLOCKS + 4);