check_bytes
lredata->auxiliary.check_bytes = 0x01;
lredata->auxiliary.check_bytes = 0x2;
lredata->auxiliary.check_bytes = 0x01;
unsigned char check_bytes:2;
check_bytes -= offset;
size = min_t(u64, check_bytes, blocksize - offset);
check_bytes -= size;
size = min_t(u64, check_bytes, blocksize);
unsigned long offset, u64 check_bytes,
check_bytes(addr);
check_bytes(addr);
check_bytes(addr);
check_bytes(addr);
check_bytes(addr);
check_bytes(addr);