rfs4_vop_getattr
return (rfs4_vop_getattr(vp, sargp->vap, 0, cs->cr));
status = rfs4_vop_getattr(vp,
error = rfs4_vop_getattr(stubvp, vap, 0, sarg->cs->cr);
status = rfs4_vop_getattr(vp, vap, 0, cs->cr);
extern nfsstat4 rfs4_vop_getattr(vnode_t *, vattr_t *, int, cred_t *);