98 	struct vnode   *dvp, *udvp, *ldvp, *vp, *uvp, *lvp, *dtmpvp;  in unionfs_lookup()  local
115 	udvp = dunp->un_uppervp;  in unionfs_lookup()
162 		if (LOOKUP != nameiop && udvp == NULLVP) {  in unionfs_lookup()
167 		if (unionfs_lookup_isroot(cnp, udvp) ||  in unionfs_lookup()
173 		if (udvp != NULLVP)  in unionfs_lookup()
174 			dtmpvp = udvp;  in unionfs_lookup()
226 		if (udvp != NULLVP) {  in unionfs_lookup()
238 		if (udvp == NULLVP)  in unionfs_lookup()
241 		if (udvp == NULLVP &&  in unionfs_lookup()
249 		if (udvp == NULLVP)  in unionfs_lookup()
263 		if (udvp != NULLVP) {  in unionfs_lookup()
277 	if (udvp != NULLVP) {  in unionfs_lookup()
280 		unionfs_forward_vop_start(udvp, &lkflags);  in unionfs_lookup()
281 		uerror = VOP_LOOKUP(udvp, &uvp, cnp);  in unionfs_lookup()
282 		if (unionfs_forward_vop_finish(dvp, udvp, lkflags)) {  in unionfs_lookup()
290 			if (udvp == uvp) {	/* is dot */  in unionfs_lookup()
307 		else if (VOP_GETATTR(udvp, &va, cnp->cn_cred) == 0 &&  in unionfs_lookup()
327 		error = (udvp != NULLVP ? uerror : lerror);  in unionfs_lookup()
342 	if (uerror != 0 && uerror != EJUSTRETURN && udvp != NULLVP &&  in unionfs_lookup()
434 	struct vnode   *udvp;  in unionfs_create()  local
444 	udvp = dunp->un_uppervp;  in unionfs_create()
447 	if (udvp != NULLVP) {  in unionfs_create()
450 		unionfs_forward_vop_start(udvp, &lkflags);  in unionfs_create()
451 		error = VOP_CREATE(udvp, &vp, cnp, ap->a_vap);  in unionfs_create()
454 		if (__predict_false(unionfs_forward_vop_finish(ap->a_dvp, udvp,  in unionfs_create()
477 	struct vnode   *udvp;  in unionfs_whiteout()  local
486 	udvp = dunp->un_uppervp;  in unionfs_whiteout()
489 	if (udvp != NULLVP) {  in unionfs_whiteout()
495 			unionfs_forward_vop_start(udvp, &lkflags);  in unionfs_whiteout()
496 			error = VOP_WHITEOUT(udvp, cnp, ap->a_flags);  in unionfs_whiteout()
497 			unionfs_forward_vop_finish(ap->a_dvp, udvp, lkflags);  in unionfs_whiteout()
515 	struct vnode   *udvp;  in unionfs_mknod()  local
525 	udvp = dunp->un_uppervp;  in unionfs_mknod()
528 	if (udvp != NULLVP) {  in unionfs_mknod()
531 		unionfs_forward_vop_start(udvp, &lkflags);  in unionfs_mknod()
532 		error = VOP_MKNOD(udvp, &vp, cnp, ap->a_vap);  in unionfs_mknod()
535 		if (__predict_false(unionfs_forward_vop_finish(ap->a_dvp, udvp,  in unionfs_mknod()
1266 	struct vnode   *udvp;  in unionfs_remove()  local
1281 	udvp = dunp->un_uppervp;  in unionfs_remove()
1292 	if (udvp == NULLVP)  in unionfs_remove()
1300 		unionfs_forward_vop_start_pair(udvp, &udvp_lkflags,  in unionfs_remove()
1302 		error = VOP_REMOVE(udvp, uvp, cnp);  in unionfs_remove()
1303 		unionfs_forward_vop_finish_pair(ap->a_dvp, udvp, udvp_lkflags,  in unionfs_remove()
1320 	struct vnode   *udvp;  in unionfs_link()  local
1334 	udvp = dunp->un_uppervp;  in unionfs_link()
1339 	if (udvp == NULLVP)  in unionfs_link()
1359 		unionfs_forward_vop_start_pair(udvp, &udvp_lkflags,  in unionfs_link()
1361 		error = VOP_LINK(udvp, uvp, cnp);  in unionfs_link()
1362 		unionfs_forward_vop_finish_pair(ap->a_tdvp, udvp, udvp_lkflags,  in unionfs_link()
1630 	struct vnode   *udvp;  in unionfs_mkdir()  local
1645 	udvp = dunp->un_uppervp;  in unionfs_mkdir()
1647 	if (udvp != NULLVP) {  in unionfs_mkdir()
1650 			error = VOP_GETATTR(udvp, &va, cnp->cn_cred);  in unionfs_mkdir()
1659 		unionfs_forward_vop_start(udvp, &udvp_lkflags);  in unionfs_mkdir()
1660 		error = VOP_MKDIR(udvp, &uvp, cnp, ap->a_vap);  in unionfs_mkdir()
1663 		if (__predict_false(unionfs_forward_vop_finish(dvp, udvp,  in unionfs_mkdir()
1691 	struct vnode   *udvp;  in unionfs_rmdir()  local
1706 	udvp = dunp->un_uppervp;  in unionfs_rmdir()
1710 	if (udvp == NULLVP)  in unionfs_rmdir()
1713 	if (udvp == uvp)  in unionfs_rmdir()
1758 		unionfs_forward_vop_start_pair(udvp, &udvp_lkflags,  in unionfs_rmdir()
1760 		error = VOP_RMDIR(udvp, uvp, cnp);  in unionfs_rmdir()
1761 		unionfs_forward_vop_finish_pair(ap->a_dvp, udvp, udvp_lkflags,  in unionfs_rmdir()
1783 	struct vnode   *udvp;  in unionfs_symlink()  local
1796 	udvp = dunp->un_uppervp;  in unionfs_symlink()
1798 	if (udvp != NULLVP) {  in unionfs_symlink()
1801 		unionfs_forward_vop_start(udvp, &udvp_lkflags);  in unionfs_symlink()
1802 		error = VOP_SYMLINK(udvp, &uvp, cnp, ap->a_vap, ap->a_target);  in unionfs_symlink()
1805 		if (__predict_false(unionfs_forward_vop_finish(ap->a_dvp, udvp,  in unionfs_symlink()