udf_create_parentfid
fidsize = udf_create_parentfid(fid, parent_icb);
extern int udf_create_parentfid(struct fileid_desc *fid, struct long_ad *parent);
fidsize = udf_create_parentfid(ump,
fidsize = udf_create_parentfid(ump,
ddoff = udf_create_parentfid(fid, parent_icb);