int md_array_valid(int fd);
int md_array_active(int fd);
+int md_array_is_active(struct mdinfo *info);
int md_get_array_info(int fd, struct mdu_array_info_s *array);
int md_set_array_info(int fd, struct mdu_array_info_s *array);
int md_get_disk_info(int fd, struct mdu_disk_info_s *disk);