R4READDIRWATTR
rp->r_flags |= R4READDIRWATTR;
rp->r_flags = R4READDIRWATTR;
if (rp->r_flags & (R4LOOKUP | R4READDIRWATTR)) {
if (rp->r_flags & R4READDIRWATTR) {
rp->r_flags &= ~R4READDIRWATTR;