bsd/nfs/nfs_vfsops.c

2073 	/* for absolute link, let the caller now that the next dirfh is root */
2103 	fhandle_t fh, dirfh;
2112 	fh.fh_len = dirfh.fh_len = 0;
2157 		dirfh.fh_len = nmp->nm_fh->fh_len;
2158 		bcopy(nmp->nm_fh->fh_data, dirfh.fh_data, dirfh.fh_len);
2159 		NFSREQ_SECINFO_SET(&si, NULL, dirfh.fh_data, dirfh.fh_len, NULL, 0);
2194 		error = nfs4_parsefattr(&nmrep, &nmp->nm_fsattr, &nvattr, &dirfh, NULL, NULL);
2219 			if (isdotdot && (dirfh.fh_len == 0)) {
2226 		if (dirfh.fh_len == 0)
2229 			NFSREQ_SECINFO_SET(&si, NULL, dirfh.fh_data, dirfh.fh_len, isdotdot ? NULL : fspath.np_components[comp], 0);
2234 		if (dirfh.fh_len) {
2236 			nfsm_chain_add_fh(error, &nmreq, NFS_VER4, dirfh.fh_data, dirfh.fh_len);
2267 		nfsm_chain_op_check(error, &nmrep, dirfh.fh_len ? NFS_OP_PUTFH : NFS_OP_PUTROOTFH);
2284 			error = nfs4_get_fs_locations(nmp, NULL, dirfh.fh_data, dirfh.fh_len, fspath.np_components[comp], ctx, &nfsls);
2339 			/* reset dirfh and component index */
2340 			dirfh.fh_len = 0;
2353 				error = nfs4_mount_update_path_with_symlink(nmp, &fspath, comp, &dirfh, &depth, &fh, ctx);
2367 			if (dirfh.fh_len == 0)
2370 				NFSREQ_SECINFO_SET(&si, NULL, dirfh.fh_data, dirfh.fh_len, isdotdot ? NULL : fspath.np_components[comp], 0);
2383 		dirfh = fh;
2388 			dirfh.fh_len = 0; /* clear dirfh when we hit root */
2398 	nfsm_chain_add_fh(error, &nmreq, NFS_VER4, dirfh.fh_data, dirfh.fh_len);
2460 	error = nfs_nget(nmp->nm_mountp, NULL, NULL, dirfh.fh_data, dirfh.fh_len, &nvattr, &xid, rq.r_auth, NG_MARKROOT, npp);