diff --git a/fs/Exfat.h b/fs/Exfat.h
new file mode 100644
index 0000000..768d8a5
--- /dev/null
+++ b/fs/Exfat.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2018 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 ANDROID_VOLD_EXFAT_H
+#define ANDROID_VOLD_EXFAT_H
+
+#include <utils/Errors.h>
+
+#include <string>
+
+namespace android {
+namespace vold {
+namespace exfat {
+
+bool IsSupported();
+
+status_t Check(const std::string& source);
+status_t Mount(const std::string& source, const std::string& target, int ownerUid, int ownerGid,
+               int permMask);
+status_t Format(const std::string& source);
+
+}  // namespace exfat
+}  // namespace vold
+}  // namespace android
+
+#endif