116 	ns->parent = parent_ns;  in create_user_ns()
176 	struct user_namespace *parent, *ns =  in free_user_ns()  local
181 		parent = ns->parent;  in free_user_ns()
199 		ns = parent;  in free_user_ns()
200 	} while (atomic_dec_and_test(&parent->count));  in free_user_ns()
585 	if ((lower_ns == ns) && lower_ns->parent)  in uid_m_show()
586 		lower_ns = lower_ns->parent;  in uid_m_show()
606 	if ((lower_ns == ns) && lower_ns->parent)  in gid_m_show()
607 		lower_ns = lower_ns->parent;  in gid_m_show()
627 	if ((lower_ns == ns) && lower_ns->parent)  in projid_m_show()
628 		lower_ns = lower_ns->parent;  in projid_m_show()
1039 	if (!ns->parent)  in proc_uid_map_write()
1042 	if ((seq_ns != ns) && (seq_ns != ns->parent))  in proc_uid_map_write()
1046 			 &ns->uid_map, &ns->parent->uid_map);  in proc_uid_map_write()
1056 	if (!ns->parent)  in proc_gid_map_write()
1059 	if ((seq_ns != ns) && (seq_ns != ns->parent))  in proc_gid_map_write()
1063 			 &ns->gid_map, &ns->parent->gid_map);  in proc_gid_map_write()
1073 	if (!ns->parent)  in proc_projid_map_write()
1076 	if ((seq_ns != ns) && (seq_ns != ns->parent))  in proc_projid_map_write()
1081 			 &ns->projid_map, &ns->parent->projid_map);  in proc_projid_map_write()
1096 			kuid_t uid = make_kuid(ns->parent, id);  in new_idmap_permitted()
1100 			kgid_t gid = make_kgid(ns->parent, id);  in new_idmap_permitted()
1115 	if (ns_capable(ns->parent, cap_setid) &&  in new_idmap_permitted()
1116 	    file_ns_capable(file, ns->parent, cap_setid))  in new_idmap_permitted()
1224 	for (ns = child; ns->level > ancestor->level; ns = ns->parent)  in in_userns()
1299 		p = p->parent;  in ns_get_owner()
1307 	return to_user_ns(ns)->parent;  in userns_owner()