228     VHDDynDiskHeader dyndisk_header;  in vpc_open()  local
351                          sizeof(dyndisk_header), &dyndisk_header, 0);  in vpc_open()
357         if (strncmp(dyndisk_header.magic, "cxsparse", 8)) {  in vpc_open()
363         s->block_size = be32_to_cpu(dyndisk_header.block_size);  in vpc_open()
371         s->max_table_entries = be32_to_cpu(dyndisk_header.max_table_entries);  in vpc_open()
403         s->bat_offset = be64_to_cpu(dyndisk_header.table_offset);  in vpc_open()
828     VHDDynDiskHeader dyndisk_header;  in create_dynamic_disk()  local
863     memset(&dyndisk_header, 0, sizeof(dyndisk_header));  in create_dynamic_disk()
865     memcpy(dyndisk_header.magic, "cxsparse", 8);  in create_dynamic_disk()
871     dyndisk_header.data_offset = cpu_to_be64(0xFFFFFFFFFFFFFFFFULL);  in create_dynamic_disk()
872     dyndisk_header.table_offset = cpu_to_be64(3 * 512);  in create_dynamic_disk()
873     dyndisk_header.version = cpu_to_be32(0x00010000);  in create_dynamic_disk()
874     dyndisk_header.block_size = cpu_to_be32(block_size);  in create_dynamic_disk()
875     dyndisk_header.max_table_entries = cpu_to_be32(num_bat_entries);  in create_dynamic_disk()
877     dyndisk_header.checksum = cpu_to_be32(  in create_dynamic_disk()
878         vpc_checksum(&dyndisk_header, sizeof(dyndisk_header)));  in create_dynamic_disk()
883     ret = blk_co_pwrite(blk, offset, sizeof(dyndisk_header), &dyndisk_header, 0);  in create_dynamic_disk()