filecore_bread
int filecore_bread(struct filecore_mnt *, u_int32_t, int,
if ((error = filecore_bread(fcmp, ino & FILECORE_INO_MASK,
error = filecore_bread(ip->i_mnt, addr, FILECORE_DIR_SIZE,
error = filecore_bread(ip->i_mnt, paddr, FILECORE_DIR_SIZE,