NILFS_INODE_BMAP_SIZE
if ((nilfs_bmap_keydiff_abs(diff) < NILFS_INODE_BMAP_SIZE) &&
NILFS_INODE_BMAP_SIZE * sizeof(__le64));
#define NILFS_BMAP_SIZE (NILFS_INODE_BMAP_SIZE * sizeof(__le64))
__le64 i_bmap[NILFS_INODE_BMAP_SIZE];