writeSuccessWithChecksumInfo(blockSender, reply);
writeSuccessWithChecksumInfo(blockSender, new DataOutputStream(getOutputStream()));
writeSuccessWithChecksumInfo(blockSender, new DataOutputStream(getOutputStream()));
writeSuccessWithChecksumInfo(blockSender, reply);
writeSuccessWithChecksumInfo(blockSender, new DataOutputStream(getOutputStream()));
writeSuccessWithChecksumInfo(blockSender, reply);