UBI_IOC_MAGIC     165 include/uapi/mtd/ubi-user.h #define UBI_IOCMKVOL _IOW(UBI_IOC_MAGIC, 0, struct ubi_mkvol_req)
UBI_IOC_MAGIC     167 include/uapi/mtd/ubi-user.h #define UBI_IOCRMVOL _IOW(UBI_IOC_MAGIC, 1, __s32)
UBI_IOC_MAGIC     169 include/uapi/mtd/ubi-user.h #define UBI_IOCRSVOL _IOW(UBI_IOC_MAGIC, 2, struct ubi_rsvol_req)
UBI_IOC_MAGIC     171 include/uapi/mtd/ubi-user.h #define UBI_IOCRNVOL _IOW(UBI_IOC_MAGIC, 3, struct ubi_rnvol_req)