114 static struct ucounts *find_ucounts(struct user_namespace *ns, kuid_t uid, struct hlist_head *hashe…  in find_ucounts()
116 	struct ucounts *ucounts;  in find_ucounts()  local
118 	hlist_for_each_entry(ucounts, hashent, node) {  in find_ucounts()
119 		if (uid_eq(ucounts->uid, uid) && (ucounts->ns == ns))  in find_ucounts()
120 			return ucounts;  in find_ucounts()
125 static struct ucounts *get_ucounts(struct user_namespace *ns, kuid_t uid)  in get_ucounts()
128 	struct ucounts *ucounts, *new;  in get_ucounts()  local
131 	ucounts = find_ucounts(ns, uid, hashent);  in get_ucounts()
132 	if (!ucounts) {  in get_ucounts()
144 		ucounts = find_ucounts(ns, uid, hashent);  in get_ucounts()
145 		if (ucounts) {  in get_ucounts()
149 			ucounts = new;  in get_ucounts()
152 	if (ucounts->count == INT_MAX)  in get_ucounts()
153 		ucounts = NULL;  in get_ucounts()
155 		ucounts->count += 1;  in get_ucounts()
157 	return ucounts;  in get_ucounts()
160 static void put_ucounts(struct ucounts *ucounts)  in put_ucounts()  argument
165 	ucounts->count -= 1;  in put_ucounts()
166 	if (!ucounts->count)  in put_ucounts()
167 		hlist_del_init(&ucounts->node);  in put_ucounts()
169 		ucounts = NULL;  in put_ucounts()
172 	kfree(ucounts);  in put_ucounts()
189 struct ucounts *inc_ucount(struct user_namespace *ns, kuid_t uid,  in inc_ucount()
192 	struct ucounts *ucounts, *iter, *bad;  in inc_ucount()  local
194 	ucounts = get_ucounts(ns, uid);  in inc_ucount()
195 	for (iter = ucounts; iter; iter = tns->ucounts) {  in inc_ucount()
202 	return ucounts;  in inc_ucount()
205 	for (iter = ucounts; iter != bad; iter = iter->ns->ucounts)  in inc_ucount()
208 	put_ucounts(ucounts);  in inc_ucount()
212 void dec_ucount(struct ucounts *ucounts, enum ucount_type type)  in dec_ucount()  argument
214 	struct ucounts *iter;  in dec_ucount()
215 	for (iter = ucounts; iter; iter = iter->ns->ucounts) {  in dec_ucount()
219 	put_ucounts(ucounts);  in dec_ucount()