206 void cgroup1_pidlist_destroy_all(struct cgroup *cgrp)  in cgroup1_pidlist_destroy_all()  argument
210 	mutex_lock(&cgrp->pidlist_mutex);  in cgroup1_pidlist_destroy_all()
211 	list_for_each_entry_safe(l, tmp_l, &cgrp->pidlists, links)  in cgroup1_pidlist_destroy_all()
213 	mutex_unlock(&cgrp->pidlist_mutex);  in cgroup1_pidlist_destroy_all()
216 	BUG_ON(!list_empty(&cgrp->pidlists));  in cgroup1_pidlist_destroy_all()
287 static struct cgroup_pidlist *cgroup_pidlist_find(struct cgroup *cgrp,  in cgroup_pidlist_find()  argument
294 	lockdep_assert_held(&cgrp->pidlist_mutex);  in cgroup_pidlist_find()
296 	list_for_each_entry(l, &cgrp->pidlists, links)  in cgroup_pidlist_find()
308 static struct cgroup_pidlist *cgroup_pidlist_find_create(struct cgroup *cgrp,  in cgroup_pidlist_find_create()  argument
313 	lockdep_assert_held(&cgrp->pidlist_mutex);  in cgroup_pidlist_find_create()
315 	l = cgroup_pidlist_find(cgrp, type);  in cgroup_pidlist_find_create()
328 	l->owner = cgrp;  in cgroup_pidlist_find_create()
329 	list_add(&l->links, &cgrp->pidlists);  in cgroup_pidlist_find_create()
336 static int pidlist_array_load(struct cgroup *cgrp, enum cgroup_filetype type,  in pidlist_array_load()  argument
346 	lockdep_assert_held(&cgrp->pidlist_mutex);  in pidlist_array_load()
354 	length = cgroup_task_count(cgrp);  in pidlist_array_load()
359 	css_task_iter_start(&cgrp->self, 0, &it);  in pidlist_array_load()
377 	l = cgroup_pidlist_find_create(cgrp, type);  in pidlist_array_load()
407 	struct cgroup *cgrp = seq_css(s)->cgroup;  in cgroup_pidlist_start()  local
413 	mutex_lock(&cgrp->pidlist_mutex);  in cgroup_pidlist_start()
422 		ctx->procs1.pidlist = cgroup_pidlist_find(cgrp, type);  in cgroup_pidlist_start()
429 		ret = pidlist_array_load(cgrp, type, &ctx->procs1.pidlist);  in cgroup_pidlist_start()
502 	struct cgroup *cgrp;  in __cgroup1_procs_write()  local
508 	cgrp = cgroup_kn_lock_live(of->kn, false);  in __cgroup1_procs_write()
509 	if (!cgrp)  in __cgroup1_procs_write()
532 	ret = cgroup_attach_task(cgrp, task, threadgroup);  in __cgroup1_procs_write()
557 	struct cgroup *cgrp;  in cgroup_release_agent_write()  local
560 	BUILD_BUG_ON(sizeof(cgrp->root->release_agent_path) < PATH_MAX);  in cgroup_release_agent_write()
571 	cgrp = cgroup_kn_lock_live(of->kn, false);  in cgroup_release_agent_write()
572 	if (!cgrp)  in cgroup_release_agent_write()
575 	strscpy(cgrp->root->release_agent_path, strstrip(buf),  in cgroup_release_agent_write()
576 		sizeof(cgrp->root->release_agent_path));  in cgroup_release_agent_write()
584 	struct cgroup *cgrp = seq_css(seq)->cgroup;  in cgroup_release_agent_show()  local
587 	seq_puts(seq, cgrp->root->release_agent_path);  in cgroup_release_agent_show()
722 	struct cgroup *cgrp;  in cgroupstats_build()  local
737 	cgrp = rcu_dereference(*(void __rcu __force **)&kn->priv);  in cgroupstats_build()
738 	if (!cgrp || !cgroup_tryget(cgrp)) {  in cgroupstats_build()
744 	css_task_iter_start(&cgrp->self, 0, &it);  in cgroupstats_build()
767 	cgroup_put(cgrp);  in cgroupstats_build()
771 void cgroup1_check_for_release(struct cgroup *cgrp)  in cgroup1_check_for_release()  argument
773 	if (notify_on_release(cgrp) && !cgroup_is_populated(cgrp) &&  in cgroup1_check_for_release()
774 	    !css_has_online_children(&cgrp->self) && !cgroup_is_dead(cgrp))  in cgroup1_check_for_release()
775 		schedule_work(&cgrp->release_agent_work);  in cgroup1_check_for_release()
803 	struct cgroup *cgrp =  in cgroup1_release_agent()  local
810 	if (!cgrp->root->release_agent_path[0])  in cgroup1_release_agent()
820 	strscpy(agentbuf, cgrp->root->release_agent_path, PATH_MAX);  in cgroup1_release_agent()
825 	ret = cgroup_path_ns(cgrp, pathbuf, PATH_MAX, &init_cgroup_ns);  in cgroup1_release_agent()
850 	struct cgroup *cgrp = kn->priv;  in cgroup1_rename()  local
874 		TRACE_CGROUP_PATH(rename, cgrp);  in cgroup1_rename()
907 	if (test_bit(CGRP_CPUSET_CLONE_CHILDREN, &root->cgrp.flags))  in cgroup1_show_options()
1100 	cgroup_lock_and_drain_offline(&cgrp_dfl_root.cgrp);  in cgroup1_reconfigure()
1124 	if (!list_empty(&root->cgrp.self.children)) {  in cgroup1_reconfigure()
1188 		if (!percpu_ref_tryget_live(&ss->root->cgrp.self.refcnt))  in cgroup1_root_to_use()
1190 		cgroup_put(&ss->root->cgrp);  in cgroup1_root_to_use()
1265 	cgroup_lock_and_drain_offline(&cgrp_dfl_root.cgrp);  in cgroup1_get_tree()
1268 	if (!ret && !percpu_ref_tryget_live(&ctx->root->cgrp.self.refcnt))  in cgroup1_get_tree()
1276 	if (!ret && percpu_ref_is_dying(&ctx->root->cgrp.self.refcnt)) {  in cgroup1_get_tree()
1300 	struct cgroup *cgrp = ERR_PTR(-ENOENT);  in task_get_cgroup1()  local
1312 		cgrp = task_cgroup_from_root(tsk, root);  in task_get_cgroup1()
1313 		if (!cgrp || !cgroup_tryget(cgrp))  in task_get_cgroup1()
1314 			cgrp = ERR_PTR(-ENOENT);  in task_get_cgroup1()
1319 	return cgrp;  in task_get_cgroup1()