175 	struct nfs_callback_data *cb_info = &nfs_callback_info[minorversion];  in nfs_callback_create_svc()  local
182 	if (cb_info->serv)  in nfs_callback_create_svc()
183 		return cb_info->serv;  in nfs_callback_create_svc()
189 	if (cb_info->users)  in nfs_callback_create_svc()
191 			cb_info->users);  in nfs_callback_create_svc()
200 	cb_info->serv = serv;  in nfs_callback_create_svc()
211 	struct nfs_callback_data *cb_info = &nfs_callback_info[minorversion];  in nfs_callback_up()  local
231 	cb_info->users++;  in nfs_callback_up()
233 	if (!cb_info->users) {  in nfs_callback_up()
234 		svc_set_num_threads(cb_info->serv, 0, 0);  in nfs_callback_up()
235 		svc_destroy(&cb_info->serv);  in nfs_callback_up()
252 	struct nfs_callback_data *cb_info = &nfs_callback_info[minorversion];  in nfs_callback_down()  local
256 	serv = cb_info->serv;  in nfs_callback_down()
258 	cb_info->users--;  in nfs_callback_down()
259 	if (cb_info->users == 0) {  in nfs_callback_down()
262 		xprt_svc_destroy_nullify_bc(xprt, &cb_info->serv);  in nfs_callback_down()