nilfs_bmap_write
void nilfs_bmap_write(struct nilfs_bmap *, struct nilfs_inode *);
nilfs_bmap_write(NILFS_I(root->ifile)->i_bmap, &cp->cp_ifile_inode);
nilfs_bmap_write(ii->i_bmap, raw_inode);
nilfs_bmap_write(NILFS_I(inode)->i_bmap, raw_inode);