259 	struct cgroup_subsys_state *pos;  in update_if_frozen()  local
271 	css_for_each_child(pos, css) {  in update_if_frozen()
272 		struct freezer *child = css_freezer(pos);  in update_if_frozen()
297 	struct cgroup_subsys_state *css = seq_css(m), *pos;  in freezer_read()  local
303 	css_for_each_descendant_post(pos, css) {  in freezer_read()
304 		if (!css_tryget_online(pos))  in freezer_read()
308 		update_if_frozen(pos);  in freezer_read()
311 		css_put(pos);  in freezer_read()
391 	struct cgroup_subsys_state *pos;  in freezer_change_state()  local
401 	css_for_each_descendant_pre(pos, &freezer->css) {  in freezer_change_state()
402 		struct freezer *pos_f = css_freezer(pos);  in freezer_change_state()
405 		if (!css_tryget_online(pos))  in freezer_change_state()
418 		css_put(pos);  in freezer_change_state()