optional bool attached = 1;

  // attachmentMetadata is populated with any
  // information returned by the attach operation, upon successful attach, that must be passed
  // into subsequent WaitForAttach or Mount calls.
  // This field must only be set by the entity completing the attach
  // operation, i.e. the external-attacher.
  // +optional
  map<string, string> attachmentMetadata = 2;

  optional bool attached = 1;

  // attachmentMetadata is populated with any
  // information returned by the attach operation, upon successful attach, that must be passed
  // into subsequent WaitForAttach or Mount calls.
  // This field must only be set by the entity completing the attach
  // operation, i.e. the external-attacher.
  // +optional
  map<string, string> attachmentMetadata = 2;

	// attachmentMetadata is populated with any
	// information returned by the attach operation, upon successful attach, that must be passed
	// into subsequent WaitForAttach or Mount calls.
	// This field must only be set by the entity completing the attach
	// operation, i.e. the external-attacher.
	// +optional

	// operation, i.e. the external-attacher.
	Attached bool

	// Upon successful attach, this field is populated with any
	// information returned by the attach operation that must be passed
	// into subsequent WaitForAttach or Mount calls.
	// This field must only be set by the entity completing the attach
	// operation, i.e. the external-attacher.
	// +optional
	AttachmentMetadata map[string]string

	// attachmentMetadata is populated with any
	// information returned by the attach operation, upon successful attach, that must be passed
	// into subsequent WaitForAttach or Mount calls.
	// This field must only be set by the entity completing the attach
	// operation, i.e. the external-attacher.
	// +optional

		notMnt, err := b.mounter.IsLikelyNotMountPoint(globalPDPath)
		if err != nil {
			return err
		}
		if !notMnt {
			// The volume is already mounted, therefore the previous WaitForAttach must have
			// persisted the volume metadata. In addition, the metadata is actually *inside*
			// globalPDPath and we can't write it here, because it was shadowed by the volume
			// mount.

		// Assert
		// 4. When the volume is mounted again, expect that UnmountDevice operation did not clear devicePath
		if devicePath == "" {
			klog.ErrorS(nil, "Expected WaitForAttach called with devicePath from Node.Status")
			close(finished)
			return "", fmt.Errorf("Expected devicePath from Node.Status")
		}
		close(finished)
		return devicePath, nil
	}
	fakePlugin.Unlock()

	}
	return "/dev/vdb-test", nil
}

func (fv *FakeVolume) GetAttachCallCount() int {
	fv.RLock()
	defer fv.RUnlock()
	return fv.AttachCallCount
}

func (fv *FakeVolume) WaitForAttach(spec *volume.Spec, devicePath string, pod *v1.Pod, spectimeout time.Duration) (string, error) {
	fv.Lock()
	defer fv.Unlock()
	fv.WaitForAttachCallCount++
	if fv.WaitForAttachHook != nil {

	return nil
}

// WaitForDetach is part of the volume.Detacher interface.
func (d *detacherDefaults) WaitForDetach(devicePath string, timeout time.Duration) error {
	klog.Warning(logPrefix(d.plugin.flexVolumePlugin), "using default WaitForDetach for device ", devicePath)
	return nil
}

// UnmountDevice is part of the volume.Detacher interface.

* Fix an issue in inter-pod affinity predicate that cause affinity to self being processed correctly ([#62591](https://github.com/kubernetes/kubernetes/pull/62591), [@bsalamat](https://github.com/bsalamat))
* fix WaitForAttach failure issue for azure disk ([#62612](https://github.com/kubernetes/kubernetes/pull/62612), [@andyzhangx](https://github.com/andyzhangx))