ext2_blkpref
pref = ext2_blkpref(ip, start_lbn, soff, sbap, 0);
ext2_blkpref(ip, lbn, (int)lbn, &ip->i_db[0], 0),
pref = ext2_blkpref(ip, lbn, indirs[0].in_off +
pref = ext2_blkpref(ip, lbn, indirs[i].in_off, bap,
pref = ext2_blkpref(ip, lbn, indirs[i].in_off, &bap[0],
e4fs_daddr_t ext2_blkpref(struct inode *, e2fs_lbn_t, int, e2fs_daddr_t *,