diff --git a/crypto/fscrypt/MetadataCrypt.h b/crypto/fscrypt/MetadataCrypt.h
new file mode 100644
index 0000000..cd0f5e5
--- /dev/null
+++ b/crypto/fscrypt/MetadataCrypt.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2016 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 _METADATA_CRYPT_H
+#define _METADATA_CRYPT_H
+
+#include <string>
+
+bool fscrypt_mount_metadata_encrypted(const std::string& block_device,
+                                      const std::string& mount_point, bool needs_encrypt);
+
+#endif