diff --git a/VoldNativeService.h b/VoldNativeService.h
index 7db3e5c..954b8ae 100644
--- a/VoldNativeService.h
+++ b/VoldNativeService.h
@@ -127,6 +127,7 @@
     binder::Status commitChanges();
     binder::Status prepareCheckpoint();
     binder::Status restoreCheckpoint(const std::string& mountPoint);
+    binder::Status restoreCheckpointPart(const std::string& mountPoint, int count);
     binder::Status markBootAttempt();
     binder::Status abortChanges();
     binder::Status supportsCheckpoint(bool* _aidl_return);