117 	vp = uvp = lvp = NULLVP;  in unionfs_lookup()
119 	*(ap->a_vpp) = NULLVP;  in unionfs_lookup()
162 		if (LOOKUP != nameiop && udvp == NULLVP) {  in unionfs_lookup()
173 		if (udvp != NULLVP)  in unionfs_lookup()
189 		if (vp != NULLVP)  in unionfs_lookup()
205 				*(ap->a_vpp) = NULLVP;  in unionfs_lookup()
222 	if (ldvp != NULLVP && !(cnflags & DOWHITEOUT)) {  in unionfs_lookup()
226 		if (udvp != NULLVP) {  in unionfs_lookup()
238 		if (udvp == NULLVP)  in unionfs_lookup()
241 		if (udvp == NULLVP &&  in unionfs_lookup()
243 			if (lvp != NULLVP)  in unionfs_lookup()
249 		if (udvp == NULLVP)  in unionfs_lookup()
259 			} else if (lvp != NULLVP)  in unionfs_lookup()
263 		if (udvp != NULLVP) {  in unionfs_lookup()
277 	if (udvp != NULLVP) {  in unionfs_lookup()
283 			if (uvp != NULLVP)  in unionfs_lookup()
291 				if (lvp != NULLVP)  in unionfs_lookup()
299 			} else if (uvp != NULLVP)  in unionfs_lookup()
311 		if (iswhiteout && lvp != NULLVP) {  in unionfs_lookup()
313 			lvp = NULLVP;  in unionfs_lookup()
326 	if (uvp == NULLVP && lvp == NULLVP) {  in unionfs_lookup()
327 		error = (udvp != NULLVP ? uerror : lerror);  in unionfs_lookup()
334 	if (uvp != NULLVP && lvp != NULLVP && uvp->v_type != lvp->v_type) {  in unionfs_lookup()
336 		lvp = NULLVP;  in unionfs_lookup()
342 	if (uerror != 0 && uerror != EJUSTRETURN && udvp != NULLVP &&  in unionfs_lookup()
343 	    lerror == 0 && lvp != NULLVP && lvp->v_type == VDIR &&  in unionfs_lookup()
347 		error = unionfs_nodeget(dvp->v_mount, NULLVP, lvp, dvp, &vp,  in unionfs_lookup()
385 		if (uvp != NULLVP)  in unionfs_lookup()
412 	if (uvp != NULLVP)  in unionfs_lookup()
414 	if (lvp != NULLVP)  in unionfs_lookup()
419 		cache_enter(dvp, NULLVP, cnp);  in unionfs_lookup()
447 	if (udvp != NULLVP) {  in unionfs_create()
460 			error = unionfs_nodeget(ap->a_dvp->v_mount, vp, NULLVP,  in unionfs_create()
489 	if (udvp != NULLVP) {  in unionfs_whiteout()
528 	if (udvp != NULLVP) {  in unionfs_mknod()
541 			error = unionfs_nodeget(ap->a_dvp->v_mount, vp, NULLVP,  in unionfs_mknod()
614 		lvp = NULLVP;  in unionfs_lock_lvp()
659 	targetvp = NULLVP;  in unionfs_open()
689 			targetvp = NULLVP;  in unionfs_open()
691 	if (targetvp == NULLVP) {  in unionfs_open()
692 		if (uvp == NULLVP) {  in unionfs_open()
707 	if (targetvp == uvp && uvp->v_type == VDIR && lvp != NULLVP &&  in unionfs_open()
710 	else if (targetvp == lvp && uvp != NULLVP)  in unionfs_open()
716 		if (lvp == NULLVP) {  in unionfs_open()
739 			if (lvp == NULLVP) {  in unionfs_open()
825 		if (uvp != NULLVP)  in unionfs_close()
834 	if (ovp == lvp && uvp != NULLVP) {  in unionfs_close()
838 		if (lvp == NULLVP) {  in unionfs_close()
864 				if (lvp == NULLVP) {  in unionfs_close()
981 	if (uvp != NULLVP) {  in unionfs_access()
989 	if (lvp != NULLVP) {  in unionfs_access()
1047 	if (uvp != NULLVP) {  in unionfs_getattr()
1109 	if (uvp == NULLVP && lvp->v_type == VREG) {  in unionfs_setattr()
1117 	if (uvp != NULLVP) {  in unionfs_setattr()
1141 	tvp = (unp->un_uppervp != NULLVP ? unp->un_uppervp : unp->un_lowervp);  in unionfs_read()
1163 	tvp = (unp->un_uppervp != NULLVP ? unp->un_uppervp : unp->un_lowervp);  in unionfs_write()
1193 	if (ovp == NULLVP)  in unionfs_ioctl()
1220 	if (ovp == NULLVP)  in unionfs_poll()
1249 	if (ovp == NULLVP)  in unionfs_fsync()
1292 	if (udvp == NULLVP)  in unionfs_remove()
1295 	if (uvp != NULLVP) {  in unionfs_remove()
1298 		    lvp != NULLVP)  in unionfs_remove()
1305 	} else if (lvp != NULLVP) {  in unionfs_remove()
1335 	uvp = NULLVP;  in unionfs_link()
1339 	if (udvp == NULLVP)  in unionfs_link()
1344 	if (unp->un_uppervp == NULLVP) {  in unionfs_link()
1408 	    (tvp != NULLVP && fvp->v_mount != tvp->v_mount)) {  in unionfs_rename()
1421 	if (tvp != NULLVP)  in unionfs_rename()
1436 	if (unp->un_uppervp == NULLVP) {  in unionfs_rename()
1463 	if (unp->un_uppervp == NULLVP) {  in unionfs_rename()
1466 		if (tvp != NULLVP)  in unionfs_rename()
1499 		else if (unp->un_uppervp == NULLVP) {  in unionfs_rename()
1517 		if (tvp != NULLVP)  in unionfs_rename()
1529 	if (unp->un_lowervp != NULLVP)  in unionfs_rename()
1542 	if (unp->un_uppervp == NULLVP) {  in unionfs_rename()
1549 	if (tvp != NULLVP) {  in unionfs_rename()
1559 		if (unp->un_uppervp == NULLVP)  in unionfs_rename()
1560 			rtvp = NULLVP;  in unionfs_rename()
1577 		if (rtvp != NULLVP && rtvp->v_type == VDIR)  in unionfs_rename()
1585 	if (tvp != rtvp && tvp != NULLVP) {  in unionfs_rename()
1586 		if (rtvp == NULLVP)  in unionfs_rename()
1604 	if (tvp != NULLVP) {  in unionfs_rename()
1610 	if (tvp != rtvp && rtvp != NULLVP)  in unionfs_rename()
1647 	if (udvp != NULLVP) {  in unionfs_mkdir()
1669 			error = unionfs_nodeget(dvp->v_mount, uvp, NULLVP,  in unionfs_mkdir()
1710 	if (udvp == NULLVP)  in unionfs_rmdir()
1716 	if (uvp != NULLVP) {  in unionfs_rmdir()
1717 		if (lvp != NULLVP) {  in unionfs_rmdir()
1755 		if (ump->um_whitemode == UNIONFS_WHITE_ALWAYS || lvp != NULLVP)  in unionfs_rmdir()
1763 	} else if (lvp != NULLVP) {  in unionfs_rmdir()
1798 	if (udvp != NULLVP) {  in unionfs_symlink()
1811 			error = unionfs_nodeget(ap->a_dvp->v_mount, uvp, NULLVP,  in unionfs_symlink()
1852 	uvp = NULLVP;  in unionfs_readdir()
1853 	lvp = NULLVP;  in unionfs_readdir()
1875 		if ((uvp != NULLVP && unsp->uns_upper_opencnt <= 0) ||  in unionfs_readdir()
1876 			(lvp != NULLVP && unsp->uns_lower_opencnt <= 0)) {  in unionfs_readdir()
1886 	if (uvp != NULLVP && lvp != NULLVP) {  in unionfs_readdir()
1890 			lvp = NULLVP;  in unionfs_readdir()
1894 	if (uvp != NULLVP && lvp == NULLVP) {  in unionfs_readdir()
1907 	if (uvp == NULLVP && lvp != NULLVP) {  in unionfs_readdir()
1922 	KASSERT(uvp != NULLVP, ("unionfs_readdir: null upper vp"));  in unionfs_readdir()
1923 	KASSERT(lvp != NULLVP, ("unionfs_readdir: null lower vp"));  in unionfs_readdir()
2043 	vp = (unp->un_uppervp != NULLVP ? unp->un_uppervp : unp->un_lowervp);  in unionfs_readlink()
2064 	uvp = NULLVP;  in unionfs_getwritemount()
2076 	if (uvp == NULLVP && unp != NULL) {  in unionfs_getwritemount()
2089 		if (uvp == NULLVP)  in unionfs_getwritemount()
2093 	if (uvp != NULLVP) {  in unionfs_getwritemount()
2144 	if (unp->un_uppervp != NULLVP)  in unionfs_print()
2146 	if (unp->un_lowervp != NULLVP)  in unionfs_print()
2235 		if (unp == NULL || unp->un_uppervp != NULLVP) {  in unionfs_lock()
2290 	vp = (unp->un_uppervp != NULLVP ? unp->un_uppervp : unp->un_lowervp);  in unionfs_pathconf()
2317 	if (uvp == NULLVP) {  in unionfs_advlock()
2363 	vp = (unp->un_uppervp != NULLVP ? unp->un_uppervp : unp->un_lowervp);  in unionfs_strategy()
2366 	if (vp == NULLVP)  in unionfs_strategy()
2386 	vp = (unp->un_uppervp != NULLVP ? unp->un_uppervp : unp->un_lowervp);  in unionfs_getacl()
2419 	if (uvp == NULLVP && lvp->v_type == VREG) {  in unionfs_setacl()
2425 	if (uvp != NULLVP) {  in unionfs_setacl()
2449 	vp = (unp->un_uppervp != NULLVP ? unp->un_uppervp : unp->un_lowervp);  in unionfs_aclcheck()
2470 	tvp = (unp->un_uppervp != NULLVP ? unp->un_uppervp : unp->un_lowervp);  in unionfs_openextattr()
2505 	tvp = NULLVP;  in unionfs_closeextattr()
2512 	if (tvp == NULLVP)  in unionfs_closeextattr()
2541 	vp = NULLVP;  in unionfs_getextattr()
2548 	if (vp == NULLVP)  in unionfs_getextattr()
2572 	ovp = NULLVP;  in unionfs_setextattr()
2587 	if (ovp == NULLVP)  in unionfs_setextattr()
2592 		if (uvp == NULLVP &&  in unionfs_setextattr()
2636 	vp = NULLVP;  in unionfs_listextattr()
2643 	if (vp == NULLVP)  in unionfs_listextattr()
2667 	ovp = NULLVP;  in unionfs_deleteextattr()
2682 	if (ovp == NULLVP)  in unionfs_deleteextattr()
2687 		if (uvp == NULLVP &&  in unionfs_deleteextattr()
2740 	if (uvp == NULLVP && lvp->v_type == VREG) {  in unionfs_setlabel()
2746 	if (uvp != NULLVP)  in unionfs_setlabel()
2799 	vp = NULLVP;  in unionfs_vput_pair()
2800 	lvp = NULLVP;  in unionfs_vput_pair()
2801 	uvp = NULLVP;  in unionfs_vput_pair()
2802 	tvp = NULLVP;  in unionfs_vput_pair()
2822 	if (vp != NULLVP) {  in unionfs_vput_pair()
2826 		if (uvp != NULLVP)  in unionfs_vput_pair()
2841 			if (uvp != NULLVP)  in unionfs_vput_pair()
2843 			if (lvp != NULLVP)  in unionfs_vput_pair()
2853 	if (tdvp == dunp->un_uppervp && tvp != NULLVP && tvp == lvp) {  in unionfs_vput_pair()
2858 		res = VOP_VPUT_PAIR(tdvp, tvp != NULLVP ? &tvp : NULL, true);  in unionfs_vput_pair()
2868 	if (vp != NULLVP && ap->a_unlock_vp)  in unionfs_vput_pair()
2872 	if (vp == NULLVP || ap->a_unlock_vp)  in unionfs_vput_pair()
2890 	if (lvp != NULLVP)  in unionfs_vput_pair()
2892 	if (uvp != NULLVP)  in unionfs_vput_pair()