649 nfsvno_namei(struct nfsrv_descript *nd, struct nameidata *ndp,  in nfsvno_namei()  argument
653 	struct componentname *cnp = &ndp->ni_cnd;  in nfsvno_namei()
663 	ndp->ni_lcf = 0;  in nfsvno_namei()
672 		nfsvno_relpathbuf(ndp);  in nfsvno_namei()
682 	ndp->ni_segflg = UIO_SYSSPACE;  in nfsvno_namei()
685 		ndp->ni_loopcnt = 0;  in nfsvno_namei()
692 			for (i = 1; i < ndp->ni_pathlen; i++)  in nfsvno_namei()
695 			if (i == ndp->ni_pathlen) {  in nfsvno_namei()
717 	ndp->ni_startdir = dp;  in nfsvno_namei()
718 	ndp->ni_rootdir = rootvnode;  in nfsvno_namei()
719 	ndp->ni_topdir = NULL;  in nfsvno_namei()
732 		error = vfs_lookup(ndp);  in nfsvno_namei()
741 			if (ndp->ni_vp && !lockleaf)  in nfsvno_namei()
742 				NFSVOPUNLOCK(ndp->ni_vp);  in nfsvno_namei()
749 		if ((cnp->cn_flags & LOCKPARENT) && ndp->ni_pathlen == 1)  in nfsvno_namei()
750 			NFSVOPUNLOCK(ndp->ni_dvp);  in nfsvno_namei()
756 		if (ndp->ni_loopcnt++ >= MAXSYMLINKS) {  in nfsvno_namei()
760 		if (ndp->ni_pathlen > 1)  in nfsvno_namei()
773 		error = VOP_READLINK(ndp->ni_vp, &auio, cnp->cn_cred);  in nfsvno_namei()
776 			if (ndp->ni_pathlen > 1)  in nfsvno_namei()
779 			vrele(ndp->ni_dvp);  in nfsvno_namei()
780 			vput(ndp->ni_vp);  in nfsvno_namei()
788 		if (linklen + ndp->ni_pathlen >= MAXPATHLEN) {  in nfsvno_namei()
796 		if (ndp->ni_pathlen > 1) {  in nfsvno_namei()
797 			NFSBCOPY(ndp->ni_next, cp + linklen, ndp->ni_pathlen);  in nfsvno_namei()
802 		ndp->ni_pathlen += linklen;  in nfsvno_namei()
811 		vput(ndp->ni_vp);  in nfsvno_namei()
812 		ndp->ni_vp = NULL;  in nfsvno_namei()
815 			vrele(ndp->ni_dvp);  in nfsvno_namei()
816 			ndp->ni_dvp = ndp->ni_rootdir;  in nfsvno_namei()
817 			VREF(ndp->ni_dvp);  in nfsvno_namei()
819 		ndp->ni_startdir = ndp->ni_dvp;  in nfsvno_namei()
820 		ndp->ni_dvp = NULL;  in nfsvno_namei()
827 		nfsvno_relpathbuf(ndp);  in nfsvno_namei()
828 		ndp->ni_vp = NULL;  in nfsvno_namei()
829 		ndp->ni_dvp = NULL;  in nfsvno_namei()
830 		ndp->ni_startdir = NULL;  in nfsvno_namei()
831 	} else if ((ndp->ni_cnd.cn_flags & (WANTPARENT|LOCKPARENT)) == 0) {  in nfsvno_namei()
832 		ndp->ni_dvp = NULL;  in nfsvno_namei()
845 nfsvno_setpathbuf(struct nameidata *ndp, char **bufpp, u_long **hashpp)  in nfsvno_setpathbuf()  argument
847 	struct componentname *cnp = &ndp->ni_cnd;  in nfsvno_setpathbuf()
860 nfsvno_relpathbuf(struct nameidata *ndp)  in nfsvno_relpathbuf()  argument
863 	uma_zfree(namei_zone, ndp->ni_cnd.cn_pnbuf);  in nfsvno_relpathbuf()
864 	ndp->ni_cnd.cn_pnbuf = NULL;  in nfsvno_relpathbuf()
1215 nfsvno_createsub(struct nfsrv_descript *nd, struct nameidata *ndp,  in nfsvno_createsub()  argument
1224 	if (!error && ndp->ni_vp == NULL) {  in nfsvno_createsub()
1226 			error = VOP_CREATE(ndp->ni_dvp,  in nfsvno_createsub()
1227 			    &ndp->ni_vp, &ndp->ni_cnd, &nvap->na_vattr);  in nfsvno_createsub()
1235 				nfsrv_pnfscreate(ndp->ni_vp, &nvap->na_vattr,  in nfsvno_createsub()
1238 			VOP_VPUT_PAIR(ndp->ni_dvp, error == 0 ? &ndp->ni_vp :  in nfsvno_createsub()
1240 			nfsvno_relpathbuf(ndp);  in nfsvno_createsub()
1247 					error = VOP_SETATTR(ndp->ni_vp,  in nfsvno_createsub()
1250 						vput(ndp->ni_vp);  in nfsvno_createsub()
1251 						ndp->ni_vp = NULL;  in nfsvno_createsub()
1266 				nfsvno_relpathbuf(ndp);  in nfsvno_createsub()
1267 				vput(ndp->ni_dvp);  in nfsvno_createsub()
1271 			error = VOP_MKNOD(ndp->ni_dvp, &ndp->ni_vp,  in nfsvno_createsub()
1272 			    &ndp->ni_cnd, &nvap->na_vattr);  in nfsvno_createsub()
1273 			VOP_VPUT_PAIR(ndp->ni_dvp, error == 0 ? &ndp->ni_vp :  in nfsvno_createsub()
1275 			nfsvno_relpathbuf(ndp);  in nfsvno_createsub()
1279 			nfsvno_relpathbuf(ndp);  in nfsvno_createsub()
1280 			vput(ndp->ni_dvp);  in nfsvno_createsub()
1284 		*vpp = ndp->ni_vp;  in nfsvno_createsub()
1292 		nfsvno_relpathbuf(ndp);  in nfsvno_createsub()
1293 		*vpp = ndp->ni_vp;  in nfsvno_createsub()
1294 		if (ndp->ni_dvp == *vpp)  in nfsvno_createsub()
1295 			vrele(ndp->ni_dvp);  in nfsvno_createsub()
1297 			vput(ndp->ni_dvp);  in nfsvno_createsub()
1323 nfsvno_mknod(struct nameidata *ndp, struct nfsvattr *nvap, struct ucred *cred,  in nfsvno_mknod()  argument
1333 	if (ndp->ni_vp) {  in nfsvno_mknod()
1334 		nfsvno_relpathbuf(ndp);  in nfsvno_mknod()
1335 		vput(ndp->ni_dvp);  in nfsvno_mknod()
1336 		vrele(ndp->ni_vp);  in nfsvno_mknod()
1341 		nfsvno_relpathbuf(ndp);  in nfsvno_mknod()
1342 		vput(ndp->ni_dvp);  in nfsvno_mknod()
1347 		error = VOP_CREATE(ndp->ni_dvp, &ndp->ni_vp,  in nfsvno_mknod()
1348 		    &ndp->ni_cnd, &nvap->na_vattr);  in nfsvno_mknod()
1349 		VOP_VPUT_PAIR(ndp->ni_dvp, error == 0 ? &ndp->ni_vp : NULL,  in nfsvno_mknod()
1351 		nfsvno_relpathbuf(ndp);  in nfsvno_mknod()
1355 			nfsvno_relpathbuf(ndp);  in nfsvno_mknod()
1356 			vput(ndp->ni_dvp);  in nfsvno_mknod()
1359 		error = VOP_MKNOD(ndp->ni_dvp, &ndp->ni_vp,  in nfsvno_mknod()
1360 		    &ndp->ni_cnd, &nvap->na_vattr);  in nfsvno_mknod()
1361 		VOP_VPUT_PAIR(ndp->ni_dvp, error == 0 ? &ndp->ni_vp : NULL,  in nfsvno_mknod()
1363 		nfsvno_relpathbuf(ndp);  in nfsvno_mknod()
1379 nfsvno_mkdir(struct nameidata *ndp, struct nfsvattr *nvap, uid_t saved_uid,  in nfsvno_mkdir()  argument
1384 	if (ndp->ni_vp != NULL) {  in nfsvno_mkdir()
1385 		if (ndp->ni_dvp == ndp->ni_vp)  in nfsvno_mkdir()
1386 			vrele(ndp->ni_dvp);  in nfsvno_mkdir()
1388 			vput(ndp->ni_dvp);  in nfsvno_mkdir()
1389 		vrele(ndp->ni_vp);  in nfsvno_mkdir()
1390 		nfsvno_relpathbuf(ndp);  in nfsvno_mkdir()
1394 	error = VOP_MKDIR(ndp->ni_dvp, &ndp->ni_vp, &ndp->ni_cnd,  in nfsvno_mkdir()
1396 	VOP_VPUT_PAIR(ndp->ni_dvp, error == 0 ? &ndp->ni_vp : NULL, false);  in nfsvno_mkdir()
1397 	nfsvno_relpathbuf(ndp);  in nfsvno_mkdir()
1408 nfsvno_symlink(struct nameidata *ndp, struct nfsvattr *nvap, char *pathcp,  in nfsvno_symlink()  argument
1414 	if (ndp->ni_vp) {  in nfsvno_symlink()
1415 		nfsvno_relpathbuf(ndp);  in nfsvno_symlink()
1416 		if (ndp->ni_dvp == ndp->ni_vp)  in nfsvno_symlink()
1417 			vrele(ndp->ni_dvp);  in nfsvno_symlink()
1419 			vput(ndp->ni_dvp);  in nfsvno_symlink()
1420 		vrele(ndp->ni_vp);  in nfsvno_symlink()
1425 	error = VOP_SYMLINK(ndp->ni_dvp, &ndp->ni_vp, &ndp->ni_cnd,  in nfsvno_symlink()
1433 	VOP_VPUT_PAIR(ndp->ni_dvp, &ndp->ni_vp, !not_v2 && error == 0);  in nfsvno_symlink()
1434 	nfsvno_relpathbuf(ndp);  in nfsvno_symlink()
1491 nfsvno_removesub(struct nameidata *ndp, bool is_v4, struct nfsrv_descript *nd,  in nfsvno_removesub()  argument
1500 	vp = ndp->ni_vp;  in nfsvno_removesub()
1515 		error = VOP_REMOVE(ndp->ni_dvp, vp, &ndp->ni_cnd);  in nfsvno_removesub()
1520 	if (ndp->ni_dvp == vp)  in nfsvno_removesub()
1521 		vrele(ndp->ni_dvp);  in nfsvno_removesub()
1523 		vput(ndp->ni_dvp);  in nfsvno_removesub()
1546 	nfsvno_relpathbuf(ndp);  in nfsvno_removesub()
1555 nfsvno_rmdirsub(struct nameidata *ndp, int is_v4, struct ucred *cred,  in nfsvno_rmdirsub()  argument
1561 	vp = ndp->ni_vp;  in nfsvno_rmdirsub()
1569 	if (ndp->ni_dvp == vp) {  in nfsvno_rmdirsub()
1580 		error = VOP_RMDIR(ndp->ni_dvp, vp, &ndp->ni_cnd);  in nfsvno_rmdirsub()
1581 	if (ndp->ni_dvp == vp)  in nfsvno_rmdirsub()
1582 		vrele(ndp->ni_dvp);  in nfsvno_rmdirsub()
1584 		vput(ndp->ni_dvp);  in nfsvno_rmdirsub()
1586 	nfsvno_relpathbuf(ndp);  in nfsvno_rmdirsub()
1780 nfsvno_link(struct nameidata *ndp, struct vnode *vp, nfsquad_t clientid,  in nfsvno_link()  argument
1786 	xp = ndp->ni_vp;  in nfsvno_link()
1790 		xp = ndp->ni_dvp;  in nfsvno_link()
1799 				error = VOP_LINK(ndp->ni_dvp, vp, &ndp->ni_cnd);  in nfsvno_link()
1802 		if (ndp->ni_dvp == vp) {  in nfsvno_link()
1803 			vrele(ndp->ni_dvp);  in nfsvno_link()
1807 			VOP_VPUT_PAIR(ndp->ni_dvp, &vp, true);  in nfsvno_link()
1810 		if (ndp->ni_dvp == ndp->ni_vp)  in nfsvno_link()
1811 			vrele(ndp->ni_dvp);  in nfsvno_link()
1813 			vput(ndp->ni_dvp);  in nfsvno_link()
1814 		if (ndp->ni_vp)  in nfsvno_link()
1815 			vrele(ndp->ni_vp);  in nfsvno_link()
1817 	nfsvno_relpathbuf(ndp);  in nfsvno_link()
1969 nfsvno_open(struct nfsrv_descript *nd, struct nameidata *ndp,  in nfsvno_open()  argument
1981 	if (ndp->ni_vp == NULL) {  in nfsvno_open()
1993 		if (ndp->ni_vp == NULL) {  in nfsvno_open()
1994 			nd->nd_repstat = VOP_CREATE(ndp->ni_dvp,  in nfsvno_open()
1995 			    &ndp->ni_vp, &ndp->ni_cnd, &nvap->na_vattr);  in nfsvno_open()
2003 				nfsrv_pnfscreate(ndp->ni_vp, &nvap->na_vattr,  in nfsvno_open()
2006 			VOP_VPUT_PAIR(ndp->ni_dvp, nd->nd_repstat == 0 ?  in nfsvno_open()
2007 			    &ndp->ni_vp : NULL, false);  in nfsvno_open()
2008 			nfsvno_relpathbuf(ndp);  in nfsvno_open()
2015 					nd->nd_repstat = VOP_SETATTR(ndp->ni_vp,  in nfsvno_open()
2018 						vput(ndp->ni_vp);  in nfsvno_open()
2019 						ndp->ni_vp = NULL;  in nfsvno_open()
2025 					nfsrv_fixattr(nd, ndp->ni_vp, nvap,  in nfsvno_open()
2029 			vp = ndp->ni_vp;  in nfsvno_open()
2031 			nfsvno_relpathbuf(ndp);  in nfsvno_open()
2032 			vp = ndp->ni_vp;  in nfsvno_open()
2034 				if (ndp->ni_dvp == vp)  in nfsvno_open()
2035 					vrele(ndp->ni_dvp);  in nfsvno_open()
2037 					vput(ndp->ni_dvp);  in nfsvno_open()
2040 				if (ndp->ni_cnd.cn_flags & RDONLY)  in nfsvno_open()
2071 		nfsvno_relpathbuf(ndp);  in nfsvno_open()
2072 		if (ndp->ni_dvp == ndp->ni_vp)  in nfsvno_open()
2073 			vrele(ndp->ni_dvp);  in nfsvno_open()
2075 			vput(ndp->ni_dvp);  in nfsvno_open()
2076 		if (ndp->ni_vp)  in nfsvno_open()
2077 			vput(ndp->ni_vp);  in nfsvno_open()