extern int ubi_mtd_param_parse(const char *val, struct kernel_param *kp);
extern int ubi_init(void);
extern void ubi_exit(void);
+extern int ubi_part(char *part_name, const char *vid_header_offset);
+extern int ubi_volume_write(char *volume, void *buf, size_t size);
+extern int ubi_volume_read(char *volume, char *buf, size_t size);
extern struct ubi_device *ubi_devices[];