diff --git a/VoldNativeService.h b/VoldNativeService.h
index 2967fae..7de2a67 100644
--- a/VoldNativeService.h
+++ b/VoldNativeService.h
@@ -146,9 +146,9 @@
     binder::Status supportsFileCheckpoint(bool* _aidl_return);
     binder::Status resetCheckpoint();
 
-    binder::Status incFsVersion(int32_t* _aidl_return) override;
+    binder::Status incFsEnabled(bool* _aidl_return) override;
     binder::Status mountIncFs(
-            const std::string& imagePath, const std::string& targetDir, int32_t flags,
+            const std::string& backingPath, const std::string& targetDir, int32_t flags,
             ::android::os::incremental::IncrementalFileSystemControlParcel* _aidl_return) override;
     binder::Status unmountIncFs(const std::string& dir) override;
     binder::Status bindMount(const std::string& sourceDir, const std::string& targetDir) override;