804 	struct configfs_subsystem *subsys = NULL; /* gcc is a turd */  in link_group()  local
809 		subsys = parent_group->cg_subsys;  in link_group()
811 		subsys = to_configfs_subsystem(group);  in link_group()
814 	group->cg_subsys = subsys;  in link_group()
1132 int configfs_depend_item(struct configfs_subsystem *subsys,  in configfs_depend_item()  argument
1137 	struct config_item *s_item = &subsys->su_group.cg_item;  in configfs_depend_item()
1285 	struct configfs_subsystem *subsys;  in configfs_mkdir()  local
1317 	subsys = to_config_group(parent_item)->cg_subsys;  in configfs_mkdir()
1318 	BUG_ON(!subsys);  in configfs_mkdir()
1332 	if (!subsys->su_group.cg_item.ci_type) {  in configfs_mkdir()
1336 	subsys_owner = subsys->su_group.cg_item.ci_type->ct_owner;  in configfs_mkdir()
1350 	mutex_lock(&subsys->su_mutex);  in configfs_mkdir()
1369 	mutex_unlock(&subsys->su_mutex);  in configfs_mkdir()
1444 		mutex_lock(&subsys->su_mutex);  in configfs_mkdir()
1453 		mutex_unlock(&subsys->su_mutex);  in configfs_mkdir()
1480 	struct configfs_subsystem *subsys;  in configfs_rmdir()  local
1492 	subsys = to_config_group(parent_item)->cg_subsys;  in configfs_rmdir()
1493 	BUG_ON(!subsys);  in configfs_rmdir()
1501 	BUG_ON(!subsys->su_group.cg_item.ci_type);  in configfs_rmdir()
1502 	subsys_owner = subsys->su_group.cg_item.ci_type->ct_owner;  in configfs_rmdir()
1563 		mutex_lock(&subsys->su_mutex);  in configfs_rmdir()
1569 		mutex_lock(&subsys->su_mutex);  in configfs_rmdir()
1575 	mutex_unlock(&subsys->su_mutex);  in configfs_rmdir()
1769 	struct configfs_subsystem *subsys = parent_group->cg_subsys;  in configfs_register_group()  local
1778 	mutex_lock(&subsys->su_mutex);  in configfs_register_group()
1780 	mutex_unlock(&subsys->su_mutex);  in configfs_register_group()
1797 	mutex_lock(&subsys->su_mutex);  in configfs_register_group()
1799 	mutex_unlock(&subsys->su_mutex);  in configfs_register_group()
1813 	struct configfs_subsystem *subsys = group->cg_subsys;  in configfs_unregister_group()  local
1837 	mutex_lock(&subsys->su_mutex);  in configfs_unregister_group()
1839 	mutex_unlock(&subsys->su_mutex);  in configfs_unregister_group()
1887 int configfs_register_subsystem(struct configfs_subsystem *subsys)  in configfs_register_subsystem()  argument
1890 	struct config_group *group = &subsys->su_group;  in configfs_register_subsystem()
1947 void configfs_unregister_subsystem(struct configfs_subsystem *subsys)  in configfs_unregister_subsystem()  argument
1949 	struct config_group *group = &subsys->su_group;  in configfs_unregister_subsystem()