rfs4_lookup_and_findfile
fp = rfs4_lookup_and_findfile(dvp, name, &vp, &error, cs->cr);
sfp = rfs4_lookup_and_findfile(odvp, converted_onm, &srcvp,
fp = rfs4_lookup_and_findfile(ndvp, converted_nnm, &targvp, NULL,