nfs4_getattr_otw
return (nfs4_getattr_otw(vp, &gar, cr, 0));
error = nfs4_getattr_otw(vp, &gar, cr, 0);
error = nfs4_getattr_otw(vp, &gar, cr, 1);
return (nfs4_getattr_otw(*vpp, &gar, cr, 0));
extern int nfs4_getattr_otw(vnode_t *, nfs4_ga_res_t *, cred_t *, int);