202 void cgroup1_pidlist_destroy_all(struct cgroup *cgrp)  in cgroup1_pidlist_destroy_all()  argument
206 	mutex_lock(&cgrp->pidlist_mutex);  in cgroup1_pidlist_destroy_all()
207 	list_for_each_entry_safe(l, tmp_l, &cgrp->pidlists, links)  in cgroup1_pidlist_destroy_all()
209 	mutex_unlock(&cgrp->pidlist_mutex);  in cgroup1_pidlist_destroy_all()
212 	BUG_ON(!list_empty(&cgrp->pidlists));  in cgroup1_pidlist_destroy_all()
283 static struct cgroup_pidlist *cgroup_pidlist_find(struct cgroup *cgrp,  in cgroup_pidlist_find()  argument
290 	lockdep_assert_held(&cgrp->pidlist_mutex);  in cgroup_pidlist_find()
292 	list_for_each_entry(l, &cgrp->pidlists, links)  in cgroup_pidlist_find()
304 static struct cgroup_pidlist *cgroup_pidlist_find_create(struct cgroup *cgrp,  in cgroup_pidlist_find_create()  argument
309 	lockdep_assert_held(&cgrp->pidlist_mutex);  in cgroup_pidlist_find_create()
311 	l = cgroup_pidlist_find(cgrp, type);  in cgroup_pidlist_find_create()
324 	l->owner = cgrp;  in cgroup_pidlist_find_create()
325 	list_add(&l->links, &cgrp->pidlists);  in cgroup_pidlist_find_create()
332 static int pidlist_array_load(struct cgroup *cgrp, enum cgroup_filetype type,  in pidlist_array_load()  argument
342 	lockdep_assert_held(&cgrp->pidlist_mutex);  in pidlist_array_load()
350 	length = cgroup_task_count(cgrp);  in pidlist_array_load()
355 	css_task_iter_start(&cgrp->self, 0, &it);  in pidlist_array_load()
373 	l = cgroup_pidlist_find_create(cgrp, type);  in pidlist_array_load()
403 	struct cgroup *cgrp = seq_css(s)->cgroup;  in cgroup_pidlist_start()  local
409 	mutex_lock(&cgrp->pidlist_mutex);  in cgroup_pidlist_start()
418 		ctx->procs1.pidlist = cgroup_pidlist_find(cgrp, type);  in cgroup_pidlist_start()
425 		ret = pidlist_array_load(cgrp, type, &ctx->procs1.pidlist);  in cgroup_pidlist_start()
498 	struct cgroup *cgrp;  in __cgroup1_procs_write()  local
504 	cgrp = cgroup_kn_lock_live(of->kn, false);  in __cgroup1_procs_write()
505 	if (!cgrp)  in __cgroup1_procs_write()
528 	ret = cgroup_attach_task(cgrp, task, threadgroup);  in __cgroup1_procs_write()
553 	struct cgroup *cgrp;  in cgroup_release_agent_write()  local
556 	BUILD_BUG_ON(sizeof(cgrp->root->release_agent_path) < PATH_MAX);  in cgroup_release_agent_write()
567 	cgrp = cgroup_kn_lock_live(of->kn, false);  in cgroup_release_agent_write()
568 	if (!cgrp)  in cgroup_release_agent_write()
571 	strscpy(cgrp->root->release_agent_path, strstrip(buf),  in cgroup_release_agent_write()
572 		sizeof(cgrp->root->release_agent_path));  in cgroup_release_agent_write()
580 	struct cgroup *cgrp = seq_css(seq)->cgroup;  in cgroup_release_agent_show()  local
583 	seq_puts(seq, cgrp->root->release_agent_path);  in cgroup_release_agent_show()
710 	struct cgroup *cgrp;  in cgroupstats_build()  local
725 	cgrp = rcu_dereference(*(void __rcu __force **)&kn->priv);  in cgroupstats_build()
726 	if (!cgrp || !cgroup_tryget(cgrp)) {  in cgroupstats_build()
732 	css_task_iter_start(&cgrp->self, 0, &it);  in cgroupstats_build()
755 	cgroup_put(cgrp);  in cgroupstats_build()
759 void cgroup1_check_for_release(struct cgroup *cgrp)  in cgroup1_check_for_release()  argument
761 	if (notify_on_release(cgrp) && !cgroup_is_populated(cgrp) &&  in cgroup1_check_for_release()
762 	    !css_has_online_children(&cgrp->self) && !cgroup_is_dead(cgrp))  in cgroup1_check_for_release()
763 		schedule_work(&cgrp->release_agent_work);  in cgroup1_check_for_release()
791 	struct cgroup *cgrp =  in cgroup1_release_agent()  local
798 	if (!cgrp->root->release_agent_path[0])  in cgroup1_release_agent()
808 	strscpy(agentbuf, cgrp->root->release_agent_path, PATH_MAX);  in cgroup1_release_agent()
813 	ret = cgroup_path_ns(cgrp, pathbuf, PATH_MAX, &init_cgroup_ns);  in cgroup1_release_agent()
838 	struct cgroup *cgrp = kn->priv;  in cgroup1_rename()  local
862 		TRACE_CGROUP_PATH(rename, cgrp);  in cgroup1_rename()
895 	if (test_bit(CGRP_CPUSET_CLONE_CHILDREN, &root->cgrp.flags))  in cgroup1_show_options()
1088 	cgroup_lock_and_drain_offline(&cgrp_dfl_root.cgrp);  in cgroup1_reconfigure()
1112 	if (!list_empty(&root->cgrp.self.children)) {  in cgroup1_reconfigure()
1176 		if (!percpu_ref_tryget_live(&ss->root->cgrp.self.refcnt))  in cgroup1_root_to_use()
1178 		cgroup_put(&ss->root->cgrp);  in cgroup1_root_to_use()
1253 	cgroup_lock_and_drain_offline(&cgrp_dfl_root.cgrp);  in cgroup1_get_tree()
1256 	if (!ret && !percpu_ref_tryget_live(&ctx->root->cgrp.self.refcnt))  in cgroup1_get_tree()
1264 	if (!ret && percpu_ref_is_dying(&ctx->root->cgrp.self.refcnt)) {  in cgroup1_get_tree()
1288 	struct cgroup *cgrp = ERR_PTR(-ENOENT);  in task_get_cgroup1()  local
1300 		cgrp = task_cgroup_from_root(tsk, root);  in task_get_cgroup1()
1301 		if (!cgrp || !cgroup_tryget(cgrp))  in task_get_cgroup1()
1302 			cgrp = ERR_PTR(-ENOENT);  in task_get_cgroup1()
1307 	return cgrp;  in task_get_cgroup1()