@@ -426,10 +426,11 @@ func (s *snapshotter) Close() error {

 }

 type mountable struct {

-	mu      sync.Mutex

-	mounts  []mount.Mount

-	acquire func() ([]mount.Mount, error)

-	release func() error

+	mu       sync.Mutex

+	mounts   []mount.Mount

+	acquire  func() ([]mount.Mount, error)

+	release  func() error

+	refCount int

 }

 func (m *mountable) Mount() ([]mount.Mount, error) {

@@ -437,6 +438,7 @@ func (m *mountable) Mount() ([]mount.Mount, error) {

 	defer m.mu.Unlock()

 	if m.mounts != nil {

+		m.refCount++

 		return m.mounts, nil

 	}

@@ -445,6 +447,7 @@ func (m *mountable) Mount() ([]mount.Mount, error) {

 		return nil, err

 	}

 	m.mounts = mounts

+	m.refCount = 1

 	return m.mounts, nil

 }

@@ -452,6 +455,13 @@ func (m *mountable) Mount() ([]mount.Mount, error) {

 func (m *mountable) Release() error {

 	m.mu.Lock()

 	defer m.mu.Unlock()

+

+	if m.refCount > 1 {

+		m.refCount--

+		return nil

+	}

+

+	m.refCount = 0

 	if m.release == nil {

 		return nil

 	}