98 bool css_has_online_children(struct cgroup_subsys_state *css);
143 						    struct cgroup_subsys_state *css);
146 						     struct cgroup_subsys_state *css);
154 void css_task_iter_start(struct cgroup_subsys_state *css, unsigned int flags,
237 #define css_for_each_descendant_pre(pos, css)				\  argument
238 	for ((pos) = css_next_descendant_pre(NULL, (css)); (pos);	\
239 	     (pos) = css_next_descendant_pre((pos), (css)))
260 #define css_for_each_descendant_post(pos, css)				\  argument
261 	for ((pos) = css_next_descendant_post(NULL, (css)); (pos);	\
262 	     (pos) = css_next_descendant_post((pos), (css)))
314 static inline void css_get(struct cgroup_subsys_state *css)  in css_get()  argument
316 	if (!(css->flags & CSS_NO_REF))  in css_get()
317 		percpu_ref_get(&css->refcnt);  in css_get()
327 static inline void css_get_many(struct cgroup_subsys_state *css, unsigned int n)  in css_get_many()  argument
329 	if (!(css->flags & CSS_NO_REF))  in css_get_many()
330 		percpu_ref_get_many(&css->refcnt, n);  in css_get_many()
344 static inline bool css_tryget(struct cgroup_subsys_state *css)  in css_tryget()  argument
346 	if (!(css->flags & CSS_NO_REF))  in css_tryget()
347 		return percpu_ref_tryget(&css->refcnt);  in css_tryget()
361 static inline bool css_tryget_online(struct cgroup_subsys_state *css)  in css_tryget_online()  argument
363 	if (!(css->flags & CSS_NO_REF))  in css_tryget_online()
364 		return percpu_ref_tryget_live(&css->refcnt);  in css_tryget_online()
383 static inline bool css_is_dying(struct cgroup_subsys_state *css)  in css_is_dying()  argument
385 	return !(css->flags & CSS_NO_REF) && percpu_ref_is_dying(&css->refcnt);  in css_is_dying()
394 static inline void css_put(struct cgroup_subsys_state *css)  in css_put()  argument
396 	if (!(css->flags & CSS_NO_REF))  in css_put()
397 		percpu_ref_put(&css->refcnt);  in css_put()
407 static inline void css_put_many(struct cgroup_subsys_state *css, unsigned int n)  in css_put_many()  argument
409 	if (!(css->flags & CSS_NO_REF))  in css_put_many()
410 		percpu_ref_put_many(&css->refcnt, n);  in css_put_many()
502 	struct cgroup_subsys_state *css;  in task_get_css()  local
506 		css = task_css(task, subsys_id);  in task_get_css()
513 		if (likely(css_tryget(css)))  in task_get_css()
518 	return css;  in task_get_css()
703 static inline void css_get(struct cgroup_subsys_state *css) {}  in css_get()  argument
704 static inline void css_put(struct cgroup_subsys_state *css) {}  in css_put()  argument