char kernel_crc[CRC_LEN];
- /* 228-235: Unused at present */
- char reserved1[8];
-+ /* 228-231: OpenWrt: real rootfs length */
++ /* 228-231: Image sequence number */
++ char image_sequence[4];
++ /* 222-235: Openwrt: real rootfs length */
+ char real_rootfs_length[4];
-+ /* 222-235: Unused at present */
-+ char reserved1[4];
/* 236-239: CRC32 of header excluding tagVersion */
char header_crc[CRC_LEN];
/* 240-255: Unused at present */