if err == nil {
				actualSize = int64(decSize)
			}
		default:
			actualSize = n
		}
	}
	// If ServerSideChecksum is wanted for this object, it takes precedence
	// over opts.WantChecksum.
	if opts.WantServerSideChecksumType.IsSet() {
		serverSideChecksum := r.RawServerSideChecksumResult()
		if serverSideChecksum != nil {

// signified by the input uploadID. This is an atomic operation
// doesn't require clients to initiate multiple such requests.
//
// All parts are purged from all disks and reference to the uploadID
// would be removed from the system, rollback is not possible on this
// operation.