49 static struct ocfs2_stack_plugin *active_stack;  variable
53 	return !strcmp(active_stack->sp_name, OCFS2_STACK_PLUGIN_O2CB);  in ocfs2_is_o2cb_active()
88 	if (active_stack) {  in ocfs2_stack_driver_request()
93 		if (!strcmp(active_stack->sp_name, plugin_name))  in ocfs2_stack_driver_request()
106 	active_stack = p;  in ocfs2_stack_driver_request()
112 		active_stack->sp_count++;  in ocfs2_stack_driver_request()
167 	BUG_ON(active_stack == NULL);  in ocfs2_stack_driver_put()
168 	BUG_ON(active_stack->sp_count == 0);  in ocfs2_stack_driver_put()
170 	active_stack->sp_count--;  in ocfs2_stack_driver_put()
171 	if (!active_stack->sp_count) {  in ocfs2_stack_driver_put()
172 		module_put(active_stack->sp_owner);  in ocfs2_stack_driver_put()
173 		active_stack = NULL;  in ocfs2_stack_driver_put()
209 		BUG_ON(plugin == active_stack);  in ocfs2_stack_glue_unregister()
258 	return active_stack->sp_ops->dlm_lock(conn, mode, lksb, flags,  in ocfs2_dlm_lock()
269 	return active_stack->sp_ops->dlm_unlock(conn, lksb, flags);  in ocfs2_dlm_unlock()
275 	return active_stack->sp_ops->lock_status(lksb);  in ocfs2_dlm_lock_status()
281 	return active_stack->sp_ops->lvb_valid(lksb);  in ocfs2_dlm_lvb_valid()
287 	return active_stack->sp_ops->lock_lvb(lksb);  in ocfs2_dlm_lvb()
293 	active_stack->sp_ops->dump_lksb(lksb);  in ocfs2_dlm_dump_lksb()
299 	return active_stack && active_stack->sp_ops->plock;  in ocfs2_stack_supports_plocks()
310 	WARN_ON_ONCE(active_stack->sp_ops->plock == NULL);  in ocfs2_plock()
311 	if (active_stack->sp_ops->plock)  in ocfs2_plock()
312 		return active_stack->sp_ops->plock(conn, ino, file, cmd, fl);  in ocfs2_plock()
371 	rc = active_stack->sp_ops->connect(new_conn);  in ocfs2_cluster_connect()
415 	ret = active_stack->sp_ops->disconnect(conn);  in ocfs2_cluster_disconnect()
479 	return active_stack->sp_ops->this_node(conn, node);  in ocfs2_cluster_this_node()
547 	if (active_stack) {  in ocfs2_active_cluster_plugin_show()
549 			       active_stack->sp_name);  in ocfs2_active_cluster_plugin_show()
592 	if (active_stack) {  in ocfs2_cluster_stack_store()