195 static int cgroup_addrm_files(struct cgroup *cgrp, struct cftype cfts[],
1209 		struct cftype *cfts;  in cgroup_clear_dir()  local
1213 		list_for_each_entry(cfts, &ss->cfts, node)  in cgroup_clear_dir()
1214 			cgroup_addrm_files(cgrp, cfts, false);  in cgroup_clear_dir()
3105 static int cgroup_addrm_files(struct cgroup *cgrp, struct cftype cfts[],  in cgroup_addrm_files()  argument
3113 	for (cft = cfts; cft->name[0] != '\0'; cft++) {  in cgroup_addrm_files()
3138 static int cgroup_apply_cftypes(struct cftype *cfts, bool is_add)  in cgroup_apply_cftypes()  argument
3141 	struct cgroup_subsys *ss = cfts[0].ss;  in cgroup_apply_cftypes()
3155 		ret = cgroup_addrm_files(cgrp, cfts, is_add);  in cgroup_apply_cftypes()
3165 static void cgroup_exit_cftypes(struct cftype *cfts)  in cgroup_exit_cftypes()  argument
3169 	for (cft = cfts; cft->name[0] != '\0'; cft++) {  in cgroup_exit_cftypes()
3181 static int cgroup_init_cftypes(struct cgroup_subsys *ss, struct cftype *cfts)  in cgroup_init_cftypes()  argument
3185 	for (cft = cfts; cft->name[0] != '\0'; cft++) {  in cgroup_init_cftypes()
3202 				cgroup_exit_cftypes(cfts);  in cgroup_init_cftypes()
3215 static int cgroup_rm_cftypes_locked(struct cftype *cfts)  in cgroup_rm_cftypes_locked()  argument
3219 	if (!cfts || !cfts[0].ss)  in cgroup_rm_cftypes_locked()
3222 	list_del(&cfts->node);  in cgroup_rm_cftypes_locked()
3223 	cgroup_apply_cftypes(cfts, false);  in cgroup_rm_cftypes_locked()
3224 	cgroup_exit_cftypes(cfts);  in cgroup_rm_cftypes_locked()
3239 int cgroup_rm_cftypes(struct cftype *cfts)  in cgroup_rm_cftypes()  argument
3244 	ret = cgroup_rm_cftypes_locked(cfts);  in cgroup_rm_cftypes()
3263 static int cgroup_add_cftypes(struct cgroup_subsys *ss, struct cftype *cfts)  in cgroup_add_cftypes()  argument
3270 	if (!cfts || cfts[0].name[0] == '\0')  in cgroup_add_cftypes()
3273 	ret = cgroup_init_cftypes(ss, cfts);  in cgroup_add_cftypes()
3279 	list_add_tail(&cfts->node, &ss->cfts);  in cgroup_add_cftypes()
3280 	ret = cgroup_apply_cftypes(cfts, true);  in cgroup_add_cftypes()
3282 		cgroup_rm_cftypes_locked(cfts);  in cgroup_add_cftypes()
3296 int cgroup_add_dfl_cftypes(struct cgroup_subsys *ss, struct cftype *cfts)  in cgroup_add_dfl_cftypes()  argument
3300 	for (cft = cfts; cft && cft->name[0] != '\0'; cft++)  in cgroup_add_dfl_cftypes()
3302 	return cgroup_add_cftypes(ss, cfts);  in cgroup_add_dfl_cftypes()
3313 int cgroup_add_legacy_cftypes(struct cgroup_subsys *ss, struct cftype *cfts)  in cgroup_add_legacy_cftypes()  argument
3324 		for (cft = cfts; cft && cft->name[0] != '\0'; cft++)  in cgroup_add_legacy_cftypes()
3328 	return cgroup_add_cftypes(ss, cfts);  in cgroup_add_legacy_cftypes()
4331 		struct cftype *cfts;  in cgroup_populate_dir()  local
4336 		list_for_each_entry(cfts, &ss->cfts, node) {  in cgroup_populate_dir()
4337 			ret = cgroup_addrm_files(cgrp, cfts, true);  in cgroup_populate_dir()
4916 	INIT_LIST_HEAD(&ss->cfts);  in cgroup_init_subsys()