return false
		}
		return len(entries) == 0
	}
	var stat syscall.Stat_t
	if err := syscall.Stat(dirname, &stat); err != nil {
		return false
	}
	return stat.Mode&syscall.S_IFMT == syscall.S_IFDIR && stat.Nlink == 2

<c:if test="${osddLink}">
	<link rel="search" type="application/opensearchdescription+xml"
		href="${fe:url('/osdd')}"
		title="<la:message key="labels.index_osdd_title" />" />
</c:if>
<link href="${fe:url('/css/bootstrap.min.css')}" rel="stylesheet"
	type="text/css" />
<link href="${fe:url('/css/style.css')}" rel="stylesheet" type="text/css" />
<link href="${fe:url('/css/font-awesome.min.css')}" rel="stylesheet"

<c:if test="${osddLink}">
	<link rel="search" type="application/opensearchdescription+xml"
		href="${fe:url('/osdd')}"
		title="<la:message key="labels.index_osdd_title" />" />
</c:if>
<link href="${fe:url('/css/bootstrap.min.css')}" rel="stylesheet"
	type="text/css" />
<link href="${fe:url('/css/style.css')}" rel="stylesheet" type="text/css" />
<link href="${fe:url('/css/font-awesome.min.css')}" rel="stylesheet"

	defer func() {
		if recover() == nil {
			t.Fatalf("unlock of unlocked RWMutex did not panic")
		}
	}()
	mu := NewDRWMutex(ds, "test")
	mu.Unlock(context.Background())
}

// Borrowed from rwmutex_test.go
func TestUnlockPanic2(t *testing.T) {
	mu := NewDRWMutex(ds, "test-unlock-panic-2")
	defer func() {
		if recover() == nil {
			t.Fatalf("unlock of unlocked RWMutex did not panic")
		}

 */
internal object Locks {
  inline fun <T> Dispatcher.withLock(action: () -> T): T {
    contract { callsInPlace(action, InvocationKind.EXACTLY_ONCE) }
    return lock.withLock(action)
  }

  inline fun <T> RealConnection.withLock(action: () -> T): T {
    contract { callsInPlace(action, InvocationKind.EXACTLY_ONCE) }
    return lock.withLock(action)
  }

  inline fun <T> RealCall.withLock(action: () -> T): T {

            String style = element.'@style' ?: linkMetaData.style.toString().toLowerCase(Locale.ROOT)

            Element ulinkElement = doc.createElement('ulink')

            String href
            if (style == 'dsldoc') {
                href = "${dsldocUrl.get()}/${className}.html"
            } else if (style == "javadoc") {
                def base = javadocUrl.get()

        if (className.length() > 1) {
            listener.warning(String.format("Could not generate link for unknown class '%s'", className));
        }
        Element element = document.createElement("classname");
        element.appendChild(document.createTextNode(className));
        return element;
    }

    public Node link(MethodMetaData method, GenerationListener listener) {

	healthDrivesOnlineCountMD = NewGaugeMD(healthDrivesOnlineCount,
		"Count of online drives in the cluster")
	healthDrivesCountMD = NewGaugeMD(healthDrivesCount,
		"Count of all drives in the cluster")
)

// loadClusterHealthDriveMetrics - `MetricsLoaderFn` for cluster storage drive metrics
// such as online, offline and total drives.
func loadClusterHealthDriveMetrics(ctx context.Context, m MetricValues,

      return inline.invokeAll(tasks, timeout, unit);
    }

    // Define the invokeAny methods to invoke the first task
    @Override
    public <T> T invokeAny(Collection<? extends Callable<T>> tasks)
        throws ExecutionException, InterruptedException {
      assertTaskWrapped(tasks);
      lastMethodCalled = "invokeAny";
      return inline.submit(Iterables.get(tasks, 0)).get();
    }

| xlMetaV2       | msgp bin array | Bin array with serialized metadata
| crc            | msgp uint      | Lower 32 bits of 64 bit xxhash of previous array contents (v1.2+ only)
| inline data    | binary         | Inline data if any, see Inline Data section for encoding.  
| [EOF] | |

## v1.0-v1.2 Versions

`xl.meta` carries three types of object entries which designate the type of version object stored.

- ObjectType (default)