extern int md_get_version(int fd);
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);
extern int get_linux_version(void);
extern int mdadm_version(char *version);