171 struct map_iter {  struct
176 static struct map_iter *map_iter(struct seq_file *m)  in map_iter()  function
186 static void map_iter_free(struct map_iter *iter)  in map_iter_free()
194 static struct map_iter *map_iter_alloc(struct bpf_map *map)  in map_iter_alloc()
196 	struct map_iter *iter;  in map_iter_alloc()
216 	void *key = map_iter(m)->key;  in map_seq_next()
220 	if (map_iter(m)->done)  in map_seq_next()
230 		map_iter(m)->done = true;  in map_seq_next()
239 	if (map_iter(m)->done)  in map_seq_start()
242 	return *pos ? map_iter(m)->key : SEQ_START_TOKEN;  in map_seq_start()
252 	void *key = map_iter(m)->key;  in map_seq_show()
274 	struct map_iter *iter;  in bpffs_map_open()
298 	map_iter_free(map_iter(m));  in bpffs_map_release()