hpfs_pos_del
for_all_poss(i, hpfs_pos_del, (loff_t)dno << 4, pos);
for_all_poss(i, hpfs_pos_del, ((loff_t)up << 4) | p, 1);
for_all_poss(i, hpfs_pos_del, (t = get_pos(dnode, de)) + 1, 1);