83 	struct vnode   *dvp, *udvp, *ldvp, *vp, *uvp, *lvp, *dtmpvp;  in unionfs_lookup()  local
100 	udvp = dunp->un_uppervp;  in unionfs_lookup()
147 		if (LOOKUP != nameiop && udvp == NULLVP) {  in unionfs_lookup()
152 		if (udvp != NULLVP)  in unionfs_lookup()
153 			dtmpvp = udvp;  in unionfs_lookup()
205 		if (udvp != NULLVP) {  in unionfs_lookup()
217 		if (udvp == NULLVP)  in unionfs_lookup()
220 		if (udvp == NULLVP &&  in unionfs_lookup()
228 		if (udvp == NULLVP)  in unionfs_lookup()
242 		if (udvp != NULLVP) {  in unionfs_lookup()
256 	if (udvp != NULLVP) {  in unionfs_lookup()
259 		unionfs_forward_vop_start(udvp, &lkflags);  in unionfs_lookup()
260 		uerror = VOP_LOOKUP(udvp, &uvp, cnp);  in unionfs_lookup()
261 		if (unionfs_forward_vop_finish(dvp, udvp, lkflags)) {  in unionfs_lookup()
269 			if (udvp == uvp) {	/* is dot */  in unionfs_lookup()
286 		else if (VOP_GETATTR(udvp, &va, cnp->cn_cred) == 0 &&  in unionfs_lookup()
306 		error = (udvp != NULLVP ? uerror : lerror);  in unionfs_lookup()
321 	if (uerror != 0 && uerror != EJUSTRETURN && udvp != NULLVP &&  in unionfs_lookup()
413 	struct vnode   *udvp;  in unionfs_create()  local
423 	udvp = dunp->un_uppervp;  in unionfs_create()
426 	if (udvp != NULLVP) {  in unionfs_create()
429 		unionfs_forward_vop_start(udvp, &lkflags);  in unionfs_create()
430 		error = VOP_CREATE(udvp, &vp, cnp, ap->a_vap);  in unionfs_create()
433 		if (__predict_false(unionfs_forward_vop_finish(ap->a_dvp, udvp,  in unionfs_create()
456 	struct vnode   *udvp;  in unionfs_whiteout()  local
465 	udvp = dunp->un_uppervp;  in unionfs_whiteout()
468 	if (udvp != NULLVP) {  in unionfs_whiteout()
474 			unionfs_forward_vop_start(udvp, &lkflags);  in unionfs_whiteout()
475 			error = VOP_WHITEOUT(udvp, cnp, ap->a_flags);  in unionfs_whiteout()
476 			unionfs_forward_vop_finish(ap->a_dvp, udvp, lkflags);  in unionfs_whiteout()
494 	struct vnode   *udvp;  in unionfs_mknod()  local
504 	udvp = dunp->un_uppervp;  in unionfs_mknod()
507 	if (udvp != NULLVP) {  in unionfs_mknod()
510 		unionfs_forward_vop_start(udvp, &lkflags);  in unionfs_mknod()
511 		error = VOP_MKNOD(udvp, &vp, cnp, ap->a_vap);  in unionfs_mknod()
514 		if (__predict_false(unionfs_forward_vop_finish(ap->a_dvp, udvp,  in unionfs_mknod()
1245 	struct vnode   *udvp;  in unionfs_remove()  local
1260 	udvp = dunp->un_uppervp;  in unionfs_remove()
1271 	if (udvp == NULLVP)  in unionfs_remove()
1279 		unionfs_forward_vop_start_pair(udvp, &udvp_lkflags,  in unionfs_remove()
1281 		error = VOP_REMOVE(udvp, uvp, cnp);  in unionfs_remove()
1282 		unionfs_forward_vop_finish_pair(ap->a_dvp, udvp, udvp_lkflags,  in unionfs_remove()
1299 	struct vnode   *udvp;  in unionfs_link()  local
1313 	udvp = dunp->un_uppervp;  in unionfs_link()
1318 	if (udvp == NULLVP)  in unionfs_link()
1338 		unionfs_forward_vop_start_pair(udvp, &udvp_lkflags,  in unionfs_link()
1340 		error = VOP_LINK(udvp, uvp, cnp);  in unionfs_link()
1341 		unionfs_forward_vop_finish_pair(ap->a_tdvp, udvp, udvp_lkflags,  in unionfs_link()
1609 	struct vnode   *udvp;  in unionfs_mkdir()  local
1624 	udvp = dunp->un_uppervp;  in unionfs_mkdir()
1626 	if (udvp != NULLVP) {  in unionfs_mkdir()
1629 			error = VOP_GETATTR(udvp, &va, cnp->cn_cred);  in unionfs_mkdir()
1638 		unionfs_forward_vop_start(udvp, &udvp_lkflags);  in unionfs_mkdir()
1639 		error = VOP_MKDIR(udvp, &uvp, cnp, ap->a_vap);  in unionfs_mkdir()
1642 		if (__predict_false(unionfs_forward_vop_finish(dvp, udvp,  in unionfs_mkdir()
1670 	struct vnode   *udvp;  in unionfs_rmdir()  local
1685 	udvp = dunp->un_uppervp;  in unionfs_rmdir()
1689 	if (udvp == NULLVP)  in unionfs_rmdir()
1692 	if (udvp == uvp)  in unionfs_rmdir()
1737 		unionfs_forward_vop_start_pair(udvp, &udvp_lkflags,  in unionfs_rmdir()
1739 		error = VOP_RMDIR(udvp, uvp, cnp);  in unionfs_rmdir()
1740 		unionfs_forward_vop_finish_pair(ap->a_dvp, udvp, udvp_lkflags,  in unionfs_rmdir()
1762 	struct vnode   *udvp;  in unionfs_symlink()  local
1775 	udvp = dunp->un_uppervp;  in unionfs_symlink()
1777 	if (udvp != NULLVP) {  in unionfs_symlink()
1780 		unionfs_forward_vop_start(udvp, &udvp_lkflags);  in unionfs_symlink()
1781 		error = VOP_SYMLINK(udvp, &uvp, cnp, ap->a_vap, ap->a_target);  in unionfs_symlink()
1784 		if (__predict_false(unionfs_forward_vop_finish(ap->a_dvp, udvp,  in unionfs_symlink()