49 static struct ocfs2_stack_plugin *active_stack;  variable
82 	if (active_stack) {  in ocfs2_stack_driver_request()
87 		if (!strcmp(active_stack->sp_name, plugin_name))  in ocfs2_stack_driver_request()
100 	active_stack = p;  in ocfs2_stack_driver_request()
106 		active_stack->sp_count++;  in ocfs2_stack_driver_request()
161 	BUG_ON(active_stack == NULL);  in ocfs2_stack_driver_put()
162 	BUG_ON(active_stack->sp_count == 0);  in ocfs2_stack_driver_put()
164 	active_stack->sp_count--;  in ocfs2_stack_driver_put()
165 	if (!active_stack->sp_count) {  in ocfs2_stack_driver_put()
166 		module_put(active_stack->sp_owner);  in ocfs2_stack_driver_put()
167 		active_stack = NULL;  in ocfs2_stack_driver_put()
203 		BUG_ON(plugin == active_stack);  in ocfs2_stack_glue_unregister()
252 	return active_stack->sp_ops->dlm_lock(conn, mode, lksb, flags,  in ocfs2_dlm_lock()
263 	return active_stack->sp_ops->dlm_unlock(conn, lksb, flags);  in ocfs2_dlm_unlock()
269 	return active_stack->sp_ops->lock_status(lksb);  in ocfs2_dlm_lock_status()
275 	return active_stack->sp_ops->lvb_valid(lksb);  in ocfs2_dlm_lvb_valid()
281 	return active_stack->sp_ops->lock_lvb(lksb);  in ocfs2_dlm_lvb()
287 	active_stack->sp_ops->dump_lksb(lksb);  in ocfs2_dlm_dump_lksb()
293 	return active_stack && active_stack->sp_ops->plock;  in ocfs2_stack_supports_plocks()
304 	WARN_ON_ONCE(active_stack->sp_ops->plock == NULL);  in ocfs2_plock()
305 	if (active_stack->sp_ops->plock)  in ocfs2_plock()
306 		return active_stack->sp_ops->plock(conn, ino, file, cmd, fl);  in ocfs2_plock()
365 	rc = active_stack->sp_ops->connect(new_conn);  in ocfs2_cluster_connect()
409 	ret = active_stack->sp_ops->disconnect(conn);  in ocfs2_cluster_disconnect()
473 	return active_stack->sp_ops->this_node(conn, node);  in ocfs2_cluster_this_node()
537 	if (active_stack) {  in ocfs2_active_cluster_plugin_show()
539 			       active_stack->sp_name);  in ocfs2_active_cluster_plugin_show()
582 	if (active_stack) {  in ocfs2_cluster_stack_store()