644 nfsvno_namei(struct nfsrv_descript *nd, struct nameidata *ndp,  in nfsvno_namei()  argument
648 	struct componentname *cnp = &ndp->ni_cnd;  in nfsvno_namei()
658 	ndp->ni_lcf = 0;  in nfsvno_namei()
667 		nfsvno_relpathbuf(ndp);  in nfsvno_namei()
677 	ndp->ni_segflg = UIO_SYSSPACE;  in nfsvno_namei()
680 		ndp->ni_loopcnt = 0;  in nfsvno_namei()
687 			for (i = 1; i < ndp->ni_pathlen; i++)  in nfsvno_namei()
690 			if (i == ndp->ni_pathlen) {  in nfsvno_namei()
712 	ndp->ni_startdir = dp;  in nfsvno_namei()
713 	ndp->ni_rootdir = rootvnode;  in nfsvno_namei()
714 	ndp->ni_topdir = NULL;  in nfsvno_namei()
727 		error = vfs_lookup(ndp);  in nfsvno_namei()
736 			if (ndp->ni_vp && !lockleaf)  in nfsvno_namei()
737 				NFSVOPUNLOCK(ndp->ni_vp);  in nfsvno_namei()
744 		if ((cnp->cn_flags & LOCKPARENT) && ndp->ni_pathlen == 1)  in nfsvno_namei()
745 			NFSVOPUNLOCK(ndp->ni_dvp);  in nfsvno_namei()
751 		if (ndp->ni_loopcnt++ >= MAXSYMLINKS) {  in nfsvno_namei()
755 		if (ndp->ni_pathlen > 1)  in nfsvno_namei()
768 		error = VOP_READLINK(ndp->ni_vp, &auio, cnp->cn_cred);  in nfsvno_namei()
771 			if (ndp->ni_pathlen > 1)  in nfsvno_namei()
774 			vrele(ndp->ni_dvp);  in nfsvno_namei()
775 			vput(ndp->ni_vp);  in nfsvno_namei()
783 		if (linklen + ndp->ni_pathlen >= MAXPATHLEN) {  in nfsvno_namei()
791 		if (ndp->ni_pathlen > 1) {  in nfsvno_namei()
792 			NFSBCOPY(ndp->ni_next, cp + linklen, ndp->ni_pathlen);  in nfsvno_namei()
797 		ndp->ni_pathlen += linklen;  in nfsvno_namei()
806 		vput(ndp->ni_vp);  in nfsvno_namei()
807 		ndp->ni_vp = NULL;  in nfsvno_namei()
810 			vrele(ndp->ni_dvp);  in nfsvno_namei()
811 			ndp->ni_dvp = ndp->ni_rootdir;  in nfsvno_namei()
812 			VREF(ndp->ni_dvp);  in nfsvno_namei()
814 		ndp->ni_startdir = ndp->ni_dvp;  in nfsvno_namei()
815 		ndp->ni_dvp = NULL;  in nfsvno_namei()
822 		nfsvno_relpathbuf(ndp);  in nfsvno_namei()
823 		ndp->ni_vp = NULL;  in nfsvno_namei()
824 		ndp->ni_dvp = NULL;  in nfsvno_namei()
825 		ndp->ni_startdir = NULL;  in nfsvno_namei()
826 	} else if ((ndp->ni_cnd.cn_flags & (WANTPARENT|LOCKPARENT)) == 0) {  in nfsvno_namei()
827 		ndp->ni_dvp = NULL;  in nfsvno_namei()
840 nfsvno_setpathbuf(struct nameidata *ndp, char **bufpp, u_long **hashpp)  in nfsvno_setpathbuf()  argument
842 	struct componentname *cnp = &ndp->ni_cnd;  in nfsvno_setpathbuf()
855 nfsvno_relpathbuf(struct nameidata *ndp)  in nfsvno_relpathbuf()  argument
858 	uma_zfree(namei_zone, ndp->ni_cnd.cn_pnbuf);  in nfsvno_relpathbuf()
859 	ndp->ni_cnd.cn_pnbuf = NULL;  in nfsvno_relpathbuf()
1210 nfsvno_createsub(struct nfsrv_descript *nd, struct nameidata *ndp,  in nfsvno_createsub()  argument
1219 	if (!error && ndp->ni_vp == NULL) {  in nfsvno_createsub()
1221 			error = VOP_CREATE(ndp->ni_dvp,  in nfsvno_createsub()
1222 			    &ndp->ni_vp, &ndp->ni_cnd, &nvap->na_vattr);  in nfsvno_createsub()
1230 				nfsrv_pnfscreate(ndp->ni_vp, &nvap->na_vattr,  in nfsvno_createsub()
1233 			VOP_VPUT_PAIR(ndp->ni_dvp, error == 0 ? &ndp->ni_vp :  in nfsvno_createsub()
1235 			nfsvno_relpathbuf(ndp);  in nfsvno_createsub()
1242 					error = VOP_SETATTR(ndp->ni_vp,  in nfsvno_createsub()
1245 						vput(ndp->ni_vp);  in nfsvno_createsub()
1246 						ndp->ni_vp = NULL;  in nfsvno_createsub()
1261 				nfsvno_relpathbuf(ndp);  in nfsvno_createsub()
1262 				vput(ndp->ni_dvp);  in nfsvno_createsub()
1266 			error = VOP_MKNOD(ndp->ni_dvp, &ndp->ni_vp,  in nfsvno_createsub()
1267 			    &ndp->ni_cnd, &nvap->na_vattr);  in nfsvno_createsub()
1268 			VOP_VPUT_PAIR(ndp->ni_dvp, error == 0 ? &ndp->ni_vp :  in nfsvno_createsub()
1270 			nfsvno_relpathbuf(ndp);  in nfsvno_createsub()
1274 			nfsvno_relpathbuf(ndp);  in nfsvno_createsub()
1275 			vput(ndp->ni_dvp);  in nfsvno_createsub()
1279 		*vpp = ndp->ni_vp;  in nfsvno_createsub()
1287 		nfsvno_relpathbuf(ndp);  in nfsvno_createsub()
1288 		*vpp = ndp->ni_vp;  in nfsvno_createsub()
1289 		if (ndp->ni_dvp == *vpp)  in nfsvno_createsub()
1290 			vrele(ndp->ni_dvp);  in nfsvno_createsub()
1292 			vput(ndp->ni_dvp);  in nfsvno_createsub()
1318 nfsvno_mknod(struct nameidata *ndp, struct nfsvattr *nvap, struct ucred *cred,  in nfsvno_mknod()  argument
1328 	if (ndp->ni_vp) {  in nfsvno_mknod()
1329 		nfsvno_relpathbuf(ndp);  in nfsvno_mknod()
1330 		vput(ndp->ni_dvp);  in nfsvno_mknod()
1331 		vrele(ndp->ni_vp);  in nfsvno_mknod()
1336 		nfsvno_relpathbuf(ndp);  in nfsvno_mknod()
1337 		vput(ndp->ni_dvp);  in nfsvno_mknod()
1342 		error = VOP_CREATE(ndp->ni_dvp, &ndp->ni_vp,  in nfsvno_mknod()
1343 		    &ndp->ni_cnd, &nvap->na_vattr);  in nfsvno_mknod()
1344 		VOP_VPUT_PAIR(ndp->ni_dvp, error == 0 ? &ndp->ni_vp : NULL,  in nfsvno_mknod()
1346 		nfsvno_relpathbuf(ndp);  in nfsvno_mknod()
1350 			nfsvno_relpathbuf(ndp);  in nfsvno_mknod()
1351 			vput(ndp->ni_dvp);  in nfsvno_mknod()
1354 		error = VOP_MKNOD(ndp->ni_dvp, &ndp->ni_vp,  in nfsvno_mknod()
1355 		    &ndp->ni_cnd, &nvap->na_vattr);  in nfsvno_mknod()
1356 		VOP_VPUT_PAIR(ndp->ni_dvp, error == 0 ? &ndp->ni_vp : NULL,  in nfsvno_mknod()
1358 		nfsvno_relpathbuf(ndp);  in nfsvno_mknod()
1374 nfsvno_mkdir(struct nameidata *ndp, struct nfsvattr *nvap, uid_t saved_uid,  in nfsvno_mkdir()  argument
1379 	if (ndp->ni_vp != NULL) {  in nfsvno_mkdir()
1380 		if (ndp->ni_dvp == ndp->ni_vp)  in nfsvno_mkdir()
1381 			vrele(ndp->ni_dvp);  in nfsvno_mkdir()
1383 			vput(ndp->ni_dvp);  in nfsvno_mkdir()
1384 		vrele(ndp->ni_vp);  in nfsvno_mkdir()
1385 		nfsvno_relpathbuf(ndp);  in nfsvno_mkdir()
1389 	error = VOP_MKDIR(ndp->ni_dvp, &ndp->ni_vp, &ndp->ni_cnd,  in nfsvno_mkdir()
1391 	VOP_VPUT_PAIR(ndp->ni_dvp, error == 0 ? &ndp->ni_vp : NULL, false);  in nfsvno_mkdir()
1392 	nfsvno_relpathbuf(ndp);  in nfsvno_mkdir()
1403 nfsvno_symlink(struct nameidata *ndp, struct nfsvattr *nvap, char *pathcp,  in nfsvno_symlink()  argument
1409 	if (ndp->ni_vp) {  in nfsvno_symlink()
1410 		nfsvno_relpathbuf(ndp);  in nfsvno_symlink()
1411 		if (ndp->ni_dvp == ndp->ni_vp)  in nfsvno_symlink()
1412 			vrele(ndp->ni_dvp);  in nfsvno_symlink()
1414 			vput(ndp->ni_dvp);  in nfsvno_symlink()
1415 		vrele(ndp->ni_vp);  in nfsvno_symlink()
1420 	error = VOP_SYMLINK(ndp->ni_dvp, &ndp->ni_vp, &ndp->ni_cnd,  in nfsvno_symlink()
1428 	VOP_VPUT_PAIR(ndp->ni_dvp, &ndp->ni_vp, !not_v2 && error == 0);  in nfsvno_symlink()
1429 	nfsvno_relpathbuf(ndp);  in nfsvno_symlink()
1486 nfsvno_removesub(struct nameidata *ndp, int is_v4, struct ucred *cred,  in nfsvno_removesub()  argument
1494 	vp = ndp->ni_vp;  in nfsvno_removesub()
1504 		error = VOP_REMOVE(ndp->ni_dvp, vp, &ndp->ni_cnd);  in nfsvno_removesub()
1507 	if (ndp->ni_dvp == vp)  in nfsvno_removesub()
1508 		vrele(ndp->ni_dvp);  in nfsvno_removesub()
1510 		vput(ndp->ni_dvp);  in nfsvno_removesub()
1512 	nfsvno_relpathbuf(ndp);  in nfsvno_removesub()
1521 nfsvno_rmdirsub(struct nameidata *ndp, int is_v4, struct ucred *cred,  in nfsvno_rmdirsub()  argument
1527 	vp = ndp->ni_vp;  in nfsvno_rmdirsub()
1535 	if (ndp->ni_dvp == vp) {  in nfsvno_rmdirsub()
1546 		error = VOP_RMDIR(ndp->ni_dvp, vp, &ndp->ni_cnd);  in nfsvno_rmdirsub()
1547 	if (ndp->ni_dvp == vp)  in nfsvno_rmdirsub()
1548 		vrele(ndp->ni_dvp);  in nfsvno_rmdirsub()
1550 		vput(ndp->ni_dvp);  in nfsvno_rmdirsub()
1552 	nfsvno_relpathbuf(ndp);  in nfsvno_rmdirsub()
1690 nfsvno_link(struct nameidata *ndp, struct vnode *vp, nfsquad_t clientid,  in nfsvno_link()  argument
1696 	xp = ndp->ni_vp;  in nfsvno_link()
1700 		xp = ndp->ni_dvp;  in nfsvno_link()
1709 				error = VOP_LINK(ndp->ni_dvp, vp, &ndp->ni_cnd);  in nfsvno_link()
1712 		if (ndp->ni_dvp == vp) {  in nfsvno_link()
1713 			vrele(ndp->ni_dvp);  in nfsvno_link()
1717 			VOP_VPUT_PAIR(ndp->ni_dvp, &vp, true);  in nfsvno_link()
1720 		if (ndp->ni_dvp == ndp->ni_vp)  in nfsvno_link()
1721 			vrele(ndp->ni_dvp);  in nfsvno_link()
1723 			vput(ndp->ni_dvp);  in nfsvno_link()
1724 		if (ndp->ni_vp)  in nfsvno_link()
1725 			vrele(ndp->ni_vp);  in nfsvno_link()
1727 	nfsvno_relpathbuf(ndp);  in nfsvno_link()
1879 nfsvno_open(struct nfsrv_descript *nd, struct nameidata *ndp,  in nfsvno_open()  argument
1891 	if (ndp->ni_vp == NULL) {  in nfsvno_open()
1903 		if (ndp->ni_vp == NULL) {  in nfsvno_open()
1904 			nd->nd_repstat = VOP_CREATE(ndp->ni_dvp,  in nfsvno_open()
1905 			    &ndp->ni_vp, &ndp->ni_cnd, &nvap->na_vattr);  in nfsvno_open()
1913 				nfsrv_pnfscreate(ndp->ni_vp, &nvap->na_vattr,  in nfsvno_open()
1916 			VOP_VPUT_PAIR(ndp->ni_dvp, nd->nd_repstat == 0 ?  in nfsvno_open()
1917 			    &ndp->ni_vp : NULL, false);  in nfsvno_open()
1918 			nfsvno_relpathbuf(ndp);  in nfsvno_open()
1925 					nd->nd_repstat = VOP_SETATTR(ndp->ni_vp,  in nfsvno_open()
1928 						vput(ndp->ni_vp);  in nfsvno_open()
1929 						ndp->ni_vp = NULL;  in nfsvno_open()
1935 					nfsrv_fixattr(nd, ndp->ni_vp, nvap,  in nfsvno_open()
1939 			vp = ndp->ni_vp;  in nfsvno_open()
1941 			nfsvno_relpathbuf(ndp);  in nfsvno_open()
1942 			vp = ndp->ni_vp;  in nfsvno_open()
1944 				if (ndp->ni_dvp == vp)  in nfsvno_open()
1945 					vrele(ndp->ni_dvp);  in nfsvno_open()
1947 					vput(ndp->ni_dvp);  in nfsvno_open()
1950 				if (ndp->ni_cnd.cn_flags & RDONLY)  in nfsvno_open()
1981 		nfsvno_relpathbuf(ndp);  in nfsvno_open()
1982 		if (ndp->ni_dvp == ndp->ni_vp)  in nfsvno_open()
1983 			vrele(ndp->ni_dvp);  in nfsvno_open()
1985 			vput(ndp->ni_dvp);  in nfsvno_open()
1986 		if (ndp->ni_vp)  in nfsvno_open()
1987 			vput(ndp->ni_vp);  in nfsvno_open()