fs/unionfs/union_vnops.c

464 	struct unionfs_node *unp;
477 	unp = VTOUNIONFS(ap->a_vp);
478 	uvp = unp->un_uppervp;
479 	lvp = unp->un_lowervp;
484 	unionfs_get_node_status(unp, td, &unsp);
500 				error = unionfs_copyfile(unp,
504 				targetvp = uvp = unp->un_uppervp;
535 		unionfs_tryrem_node_status(unp, unsp);
547 	struct unionfs_node *unp;
560 	unp = VTOUNIONFS(vp);
569 	unionfs_get_node_status(unp, td, &unsp);
575 		if (unp->un_uppervp != NULLVP)
576 			ovp = unp->un_uppervp;
578 			ovp = unp->un_lowervp;
580 		ovp = unp->un_uppervp;
582 		ovp = unp->un_lowervp;
591 	if (ovp == unp->un_uppervp) {
595 				VOP_CLOSE(unp->un_lowervp, FREAD, cred, td);
600 				vp->v_object = unp->un_lowervp->v_object;
606 	unionfs_tryrem_node_status(unp, unsp);
673 	struct unionfs_node *unp;
686 	unp = VTOUNIONFS(ap->a_vp);
687 	uvp = unp->un_uppervp;
688 	lvp = unp->un_lowervp;
753 	struct unionfs_node *unp;
764 	unp = VTOUNIONFS(ap->a_vp);
766 	uvp = unp->un_uppervp;
767 	lvp = unp->un_lowervp;
806 	struct unionfs_node *unp;
817 	unp = VTOUNIONFS(ap->a_vp);
818 	uvp = unp->un_uppervp;
819 	lvp = unp->un_lowervp;
830 		error = unionfs_copyfile(unp, (vap->va_size != 0),
834 		uvp = unp->un_uppervp;
849 	struct unionfs_node *unp;
856 	unp = VTOUNIONFS(ap->a_vp);
857 	tvp = (unp->un_uppervp != NULLVP ? unp->un_uppervp : unp->un_lowervp);
870 	struct unionfs_node *unp;
877 	unp = VTOUNIONFS(ap->a_vp);
878 	tvp = (unp->un_uppervp != NULLVP ? unp->un_uppervp : unp->un_lowervp);
891 	struct unionfs_node *unp;
900 	unp = VTOUNIONFS(ap->a_vp);
901 	unionfs_get_node_status(unp, ap->a_td, &unsp);
902 	ovp = (unsp->uns_upper_opencnt ? unp->un_uppervp : unp->un_lowervp);
903 	unionfs_tryrem_node_status(unp, unsp);
920 	struct unionfs_node *unp;
927 	unp = VTOUNIONFS(ap->a_vp);
928 	unionfs_get_node_status(unp, ap->a_td, &unsp);
929 	ovp = (unsp->uns_upper_opencnt ? unp->un_uppervp : unp->un_lowervp);
930 	unionfs_tryrem_node_status(unp, unsp);
942 	struct unionfs_node *unp;
948 	unp = VTOUNIONFS(ap->a_vp);
949 	unionfs_get_node_status(unp, ap->a_td, &unsp);
950 	ovp = (unsp->uns_upper_opencnt ? unp->un_uppervp : unp->un_lowervp);
951 	unionfs_tryrem_node_status(unp, unsp);
965 	struct unionfs_node *unp;
1018 		unp = VTOUNIONFS(ap->a_vp);
1019 		uvp = unp->un_uppervp;
1020 		lvp = unp->un_lowervp;
1021 		path = unp->un_path;
1050 	struct unionfs_node *unp;
1064 	unp = NULL;
1076 		unp = VTOUNIONFS(ap->a_vp);
1078 		if (unp->un_uppervp == NULLVP) {
1082 			error = unionfs_copyfile(unp, 1, cnp->cn_cred, td);
1087 		uvp = unp->un_uppervp;
1123 	struct unionfs_node *unp;
1172 	unp = VTOUNIONFS(fdvp);
1174 	UNIONFS_INTERNAL_DEBUG("fdvp=%p, ufdvp=%p, lfdvp=%p\n", fdvp, unp->un_uppervp, unp->un_lowervp);
1176 	if (unp->un_uppervp == NULLVP) {
1180 	rfdvp = unp->un_uppervp;
1183 	unp = VTOUNIONFS(fvp);
1185 	UNIONFS_INTERNAL_DEBUG("fvp=%p, ufvp=%p, lfvp=%p\n", fvp, unp->un_uppervp, unp->un_lowervp);
1188 	if (unp->un_uppervp == NULLVP) {
1193 			error = unionfs_copyfile(unp, 1, fcnp->cn_cred, td);
1201 			error = unionfs_mkshadowdir(ump, rfdvp, unp, fcnp, td);
1214 	if (unp->un_lowervp != NULLVP)
1216 	rfvp = unp->un_uppervp;
1219 	unp = VTOUNIONFS(tdvp);
1221 	UNIONFS_INTERNAL_DEBUG("tdvp=%p, utdvp=%p, ltdvp=%p\n", tdvp, unp->un_uppervp, unp->un_lowervp);
1223 	if (unp->un_uppervp == NULLVP) {
1227 	rtdvp = unp->un_uppervp;
1228 	ltdvp = unp->un_lowervp;
1235 		unp = VTOUNIONFS(tvp);
1237 		UNIONFS_INTERNAL_DEBUG("tvp=%p, utvp=%p, ltvp=%p\n", tvp, unp->un_uppervp, unp->un_lowervp);
1239 		if (unp->un_uppervp == NULLVP)
1246 			rtvp = unp->un_uppervp;
1247 			ltvp = unp->un_lowervp;
1380 	struct unionfs_node *unp;
1395 	unp = VTOUNIONFS(ap->a_vp);
1399 	uvp = unp->un_uppervp;
1400 	lvp = unp->un_lowervp;
1422 		error = unionfs_mkwhiteout(udvp, cnp, td, unp->un_path);
1480 	struct unionfs_node *unp;
1517 	unp = VTOUNIONFS(vp);
1518 	if (unp == NULL)
1521 		uvp = unp->un_uppervp;
1522 		lvp = unp->un_lowervp;
1523 		unionfs_get_node_status(unp, td, &unsp);
1526 			unionfs_tryrem_node_status(unp, unsp);
1665 	struct unionfs_node *unp;
1672 	unp = VTOUNIONFS(ap->a_vp);
1673 	vp = (unp->un_uppervp != NULLVP ? unp->un_uppervp : unp->un_lowervp);
1742 	struct unionfs_node *unp;
1745 	unp = VTOUNIONFS(ap->a_vp);
1746 	/* unionfs_get_node_status(unp, curthread, &unsp); */
1749 	    ap->a_vp, unp->un_uppervp, unp->un_lowervp);
1755 	if (unp->un_uppervp != NULLVP)
1756 		vprint("unionfs: upper", unp->un_uppervp);
1757 	if (unp->un_lowervp != NULLVP)
1758 		vprint("unionfs: lower", unp->un_lowervp);
1766 	struct unionfs_node *unp;
1770 	unp = VTOUNIONFS(ap->a_vp);
1771 	if (unp == NULL)
1774 	if (unp->un_uppervp != NULLVP)
1775 		return (VOP_ISLOCKED(unp->un_uppervp));
1776 	if (unp->un_lowervp != NULLVP)
1777 		return (VOP_ISLOCKED(unp->un_lowervp));
1836 	struct unionfs_node *unp;
1860 	unp = VTOUNIONFS(vp);
1861 	if (ump == NULL || unp == NULL)
1863 	lvp = unp->un_lowervp;
1864 	uvp = unp->un_uppervp;
1889 			unp = VTOUNIONFS(vp);
1890 			if (unp == NULL) {
1908 		unp = VTOUNIONFS(vp);
1909 		if (unp == NULL) {
1939 		unp = VTOUNIONFS(vp);
1940 		if (unp == NULL) {
1984 	struct unionfs_node *unp;
2001 	unp = VTOUNIONFS(vp);
2002 	if (unp == NULL)
2004 	lvp = unp->un_lowervp;
2005 	uvp = unp->un_uppervp;
2053 	struct unionfs_node *unp;
2058 	unp = VTOUNIONFS(ap->a_vp);
2059 	vp = (unp->un_uppervp != NULLVP ? unp->un_uppervp : unp->un_lowervp);
2068 	struct unionfs_node *unp;
2083 	unp = VTOUNIONFS(ap->a_vp);
2084 	uvp = unp->un_uppervp;
2087 		error = unionfs_copyfile(unp, 1, td->td_ucred, td);
2090 		uvp = unp->un_uppervp;
2092 		unionfs_get_node_status(unp, td, &unsp);
2100 			VOP_CLOSE(unp->un_lowervp, unsp->uns_lower_openmode, td->td_ucred, td);
2103 			unionfs_tryrem_node_status(unp, unsp);
2125 	struct unionfs_node *unp;
2130 	unp = VTOUNIONFS(ap->a_vp);
2131 	vp = (unp->un_uppervp != NULLVP ? unp->un_uppervp : unp->un_lowervp);
2137 	if (ap->a_bp->b_iocmd == BIO_WRITE && vp == unp->un_lowervp)
2148 	struct unionfs_node *unp;
2153 	unp = VTOUNIONFS(ap->a_vp);
2154 	vp = (unp->un_uppervp != NULLVP ? unp->un_uppervp : unp->un_lowervp);
2169 	struct unionfs_node *unp;
2179 	unp = VTOUNIONFS(ap->a_vp);
2180 	uvp = unp->un_uppervp;
2181 	lvp = unp->un_lowervp;
2188 		if ((error = unionfs_copyfile(unp, 1, ap->a_cred, td)) != 0)
2190 		uvp = unp->un_uppervp;
2205 	struct unionfs_node *unp;
2212 	unp = VTOUNIONFS(ap->a_vp);
2213 	vp = (unp->un_uppervp != NULLVP ? unp->un_uppervp : unp->un_lowervp);
2226 	struct unionfs_node *unp;
2233 	unp = VTOUNIONFS(vp);
2234 	tvp = (unp->un_uppervp != NULLVP ? unp->un_uppervp : unp->un_lowervp);
2236 	if ((tvp == unp->un_uppervp && (unp->un_flag & UNIONFS_OPENEXTU)) ||
2237 	    (tvp == unp->un_lowervp && (unp->un_flag & UNIONFS_OPENEXTL)))
2245 		if (tvp == unp->un_uppervp)
2246 			unp->un_flag |= UNIONFS_OPENEXTU;
2248 			unp->un_flag |= UNIONFS_OPENEXTL;
2259 	struct unionfs_node *unp;
2266 	unp = VTOUNIONFS(vp);
2269 	if (unp->un_flag & UNIONFS_OPENEXTU)
2270 		tvp = unp->un_uppervp;
2271 	else if (unp->un_flag & UNIONFS_OPENEXTL)
2272 		tvp = unp->un_lowervp;
2282 		if (tvp == unp->un_uppervp)
2283 			unp->un_flag &= ~UNIONFS_OPENEXTU;
2285 			unp->un_flag &= ~UNIONFS_OPENEXTL;
2295 	struct unionfs_node *unp;
2300 	unp = VTOUNIONFS(ap->a_vp);
2303 	if (unp->un_flag & UNIONFS_OPENEXTU)
2304 		vp = unp->un_uppervp;
2305 	else if (unp->un_flag & UNIONFS_OPENEXTL)
2306 		vp = unp->un_lowervp;
2319 	struct unionfs_node *unp;
2329 	unp = VTOUNIONFS(ap->a_vp);
2330 	uvp = unp->un_uppervp;
2331 	lvp = unp->un_lowervp;
2336 	UNIONFS_INTERNAL_DEBUG("unionfs_setextattr: enter (un_flag=%x)\n", unp->un_flag);
2341 	if (unp->un_flag & UNIONFS_OPENEXTU)
2342 		ovp = unp->un_uppervp;
2343 	else if (unp->un_flag & UNIONFS_OPENEXTL)
2344 		ovp = unp->un_lowervp;
2352 		    (error = unionfs_copyfile(unp, 1, cred, td)) != 0) {
2354 			if ((unp->un_flag & UNIONFS_OPENEXTL) &&
2359 				unp->un_flag &= ~UNIONFS_OPENEXTL;
2363 		uvp = unp->un_uppervp;
2366 		unp->un_flag &= ~UNIONFS_OPENEXTL;
2367 		unp->un_flag |= UNIONFS_OPENEXTU;
2384 	struct unionfs_node *unp;
2389 	unp = VTOUNIONFS(ap->a_vp);
2392 	if (unp->un_flag & UNIONFS_OPENEXTU)
2393 		vp = unp->un_uppervp;
2394 	else if (unp->un_flag & UNIONFS_OPENEXTL)
2395 		vp = unp->un_lowervp;
2408 	struct unionfs_node *unp;
2418 	unp = VTOUNIONFS(ap->a_vp);
2419 	uvp = unp->un_uppervp;
2420 	lvp = unp->un_lowervp;
2425 	UNIONFS_INTERNAL_DEBUG("unionfs_deleteextattr: enter (un_flag=%x)\n", unp->un_flag);
2430 	if (unp->un_flag & UNIONFS_OPENEXTU)
2431 		ovp = unp->un_uppervp;
2432 	else if (unp->un_flag & UNIONFS_OPENEXTL)
2433 		ovp = unp->un_lowervp;
2441 		    (error = unionfs_copyfile(unp, 1, cred, td)) != 0) {
2443 			if ((unp->un_flag & UNIONFS_OPENEXTL) &&
2448 				unp->un_flag &= ~UNIONFS_OPENEXTL;
2452 		uvp = unp->un_uppervp;
2455 		unp->un_flag &= ~UNIONFS_OPENEXTL;
2456 		unp->un_flag |= UNIONFS_OPENEXTU;
2474 	struct unionfs_node *unp;
2484 	unp = VTOUNIONFS(ap->a_vp);
2485 	uvp = unp->un_uppervp;
2486 	lvp = unp->un_lowervp;
2493 		if ((error = unionfs_copyfile(unp, 1, ap->a_cred, td)) != 0)
2495 		uvp = unp->un_uppervp;