diff --git a/Ext4.h b/Ext4.h
new file mode 100644
index 0000000..a09b576
--- /dev/null
+++ b/Ext4.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _EXT4_H
+#define _EXT4_H
+
+#include <unistd.h>
+
+class Ext4 {
+public:
+    static int doMount(const char *fsPath, const char *mountPoint, bool ro, bool remount,
+            bool executable);
+    static int format(const char *fsPath);
+};
+
+#endif