diff --git a/VolumeManager.h b/VolumeManager.h
index dd9f09d..796a91d 100644
--- a/VolumeManager.h
+++ b/VolumeManager.h
@@ -176,6 +176,7 @@
     int unmountLoopImage(const char *containerId, const char *loopId,
             const char *fileName, const char *mountPoint, bool force);
 
+    int updateVirtualDisk();
     int setDebug(bool enable);
 
     void setBroadcaster(SocketListener *sl) { mBroadcaster = sl; }
@@ -211,6 +212,8 @@
     std::unordered_map<userid_t, int> mAddedUsers;
     std::unordered_set<userid_t> mStartedUsers;
 
+    std::string mVirtualDiskPath;
+    std::shared_ptr<android::vold::Disk> mVirtualDisk;
     std::shared_ptr<android::vold::VolumeBase> mInternalEmulated;
     std::shared_ptr<android::vold::VolumeBase> mPrimary;
 };