366 	struct cgroup_subsys_state *parent_css = cgrp->self.parent;  in cgroup_parent()
376 	struct cgroup *parent = cgroup_parent(cgrp);  in cgroup_control()  local
379 	if (parent)  in cgroup_control()
380 		return parent->subtree_control;  in cgroup_control()
391 	struct cgroup *parent = cgroup_parent(cgrp);  in cgroup_ss_mask()  local
393 	if (parent)  in cgroup_ss_mask()
394 		return parent->subtree_ss_mask;  in cgroup_ss_mask()
503 	struct cgroup *cgrp = of->kn->parent->priv;  in of_css()
1425 		cgrp = kn->parent->priv;  in cgroup_kn_unlock()
1458 		cgrp = kn->parent->priv;  in cgroup_kn_lock_live()
3313 			if (css->parent &&  in cgroup_apply_control_disable()
3511 	struct cgroup *cgrp = of->kn->parent->priv;  in cgroup_file_write()
3604 	if (kn->parent != new_parent)  in cgroup_rename()
3968 					   struct cgroup_subsys_state *parent)  in css_next_child()  argument
3995 		next = list_entry_rcu(parent->children.next, struct cgroup_subsys_state, sibling);  in css_next_child()
3999 		list_for_each_entry_rcu(next, &parent->children, sibling)  in css_next_child()
4008 	if (&next->sibling != &parent->children)  in css_next_child()
4053 		next = css_next_child(pos, pos->parent);  in css_next_descendant_pre()
4056 		pos = pos->parent;  in css_next_descendant_pre()
4145 	next = css_next_child(pos, pos->parent);  in css_next_descendant_post()
4150 	return pos->parent;  in css_next_descendant_post()
5000 		struct cgroup_subsys_state *parent = css->parent;  in css_free_work_fn()  local
5007 		if (parent)  in css_free_work_fn()
5008 			css_put(parent);  in css_free_work_fn()
5114 		css->parent = cgroup_css(cgroup_parent(cgrp), ss);  in init_and_link_css()
5115 		css_get(css->parent);  in init_and_link_css()
5136 		if (css->parent)  in online_css()
5137 			atomic_inc(&css->parent->online_cnt);  in online_css()
5176 	struct cgroup *parent = cgroup_parent(cgrp);  in css_create()  local
5177 	struct cgroup_subsys_state *parent_css = cgroup_css(parent, ss);  in css_create()
5209 	    cgroup_parent(parent)) {  in css_create()
5231 static struct cgroup *cgroup_create(struct cgroup *parent)  in cgroup_create()  argument
5233 	struct cgroup_root *root = parent->root;  in cgroup_create()
5235 	int level = parent->level + 1;  in cgroup_create()
5260 	cgrp->self.parent = &parent->self;  in cgroup_create()
5267 	if (notify_on_release(parent))  in cgroup_create()
5270 	if (test_bit(CGRP_CPUSET_CLONE_CHILDREN, &parent->flags))  in cgroup_create()
5278 	cgroup_get(parent);  in cgroup_create()
5293 	if (parent)  in cgroup_create()
5294 		cgroup_bpf_inherit(cgrp, parent);  in cgroup_create()
5310 	struct cgroup *parent, *cgrp;  in cgroup_mkdir()  local
5318 	parent = cgroup_kn_lock_live(parent_kn, false);  in cgroup_mkdir()
5319 	if (!parent)  in cgroup_mkdir()
5322 	cgrp = cgroup_create(parent);  in cgroup_mkdir()
5329 	kn = kernfs_create_dir(parent->kn, name, mode, cgrp);  in cgroup_mkdir()
5385 		css = css->parent;  in css_killed_work_fn()
6515 	struct cgroup *parent = cgroup_parent(cgrp);  in cgroup_bpf_update()  local
6519 	ret = __cgroup_bpf_update(cgrp, parent, prog, type, overridable);  in cgroup_bpf_update()