hpfs_bplus_lookup
return hpfs_bplus_lookup(s, NULL, GET_BTREE_PTR(&anode->btree), sec, bh);
disk_secno = hpfs_bplus_lookup(inode->i_sb, inode,
secno hpfs_bplus_lookup(struct super_block *, struct inode *, struct bplus_header *, unsigned, struct buffer_head *);