klog.V(4).Infof(log("blockMapper.GetGlobalMapPath = %s", dir))
	return dir, nil
}

// GetStagingPath returns a staging path for a directory (on the node) that should be used on NodeStageVolume/NodeUnstageVolume
// Example: plugins/kubernetes.io/csi/volumeDevices/staging/{specName}
func (m *csiBlockMapper) GetStagingPath() string {
	return filepath.Join(m.plugin.host.GetVolumeDevicePluginDir(CSIPluginName), "staging", m.specName)
}

	// attacher.WaitForAttach() will be used.
	MapPodDevice() (publishPath string, err error)

	// GetStagingPath returns path that was used for staging the volume
	// it is mainly used by CSI plugins
	GetStagingPath() string
}

// BlockVolumeUnmapper interface is an unmapper interface for block volume.
type BlockVolumeUnmapper interface {
	BlockVolume
}

	globalPath := util.MakeAbsolutePath(runtime.GOOS, m.globalPath)
	klog.V(4).Infof("MapPodDevice returning path %s", globalPath)
	return globalPath, nil
}

// GetStagingPath returns
func (m *localVolumeMapper) GetStagingPath() string {
	return ""
}

// SupportsMetrics returns true for SupportsMetrics as it initializes the
// MetricsProvider.
func (m *localVolumeMapper) SupportsMetrics() bool {

		t.Logf("test case: %s", tc.name)
		csiMapper, _, _, err := prepareBlockMapperTest(plug, tc.specVolumeName, t)
		if err != nil {
			t.Fatalf("Failed to make a new Mapper: %v", err)
		}

		path := csiMapper.GetStagingPath()

		if tc.path != path {
			t.Errorf("expecting path %s, got %s", tc.path, path)
		}
	}
}

func TestBlockMapperGetPublishPath(t *testing.T) {
	plug, tmpDir := newTestPlugin(t, nil)

			return "", fmt.Errorf("error mapping disk: %s", fv.VolName)
		}
	}

	fv.DeviceMountState[fv.VolName] = deviceMounted
	fv.SetUpDeviceCallCount++

	return "", nil
}

func (fv *FakeVolume) GetStagingPath() string {
	return filepath.Join(fv.Plugin.Host.GetVolumeDevicePluginDir(utilstrings.EscapeQualifiedName(fv.Plugin.PluginName)), "staging", fv.VolName)
}

// Block volume support

			// if plugin supports custom mappers lets add DeviceStagePath
			if customBlockVolumeMapper, ok := blockVolumeMapper.(volume.CustomBlockVolumeMapper); ok {
				resizeOptions.DeviceStagePath = customBlockVolumeMapper.GetStagingPath()
			}
		}

		// if we are doing online expansion then volume is already published
		resizeDone, eventErr, detailedErr = og.doOnlineExpansion(volumeToMount, actualStateOfWorld, resizeOptions)