diff --git a/FsCrypt.cpp b/FsCrypt.cpp
index e21524a..33cac04 100644
--- a/FsCrypt.cpp
+++ b/FsCrypt.cpp
@@ -287,6 +287,10 @@ static bool get_volume_file_encryption_options(EncryptionOptions* options) {
     return true;
 }
 
+bool is_metadata_wrapped_key_supported() {
+    return GetEntryForMountPoint(&fstab_default, METADATA_MNT_POINT)->fs_mgr_flags.wrapped_key;
+}
+
 static bool read_and_install_user_ce_key(userid_t user_id,
                                          const android::vold::KeyAuthentication& auth) {
     if (s_ce_policies.count(user_id) != 0) return true;
diff --git a/FsCrypt.h b/FsCrypt.h
index 641991a..899f20f 100644
--- a/FsCrypt.h
+++ b/FsCrypt.h
@@ -38,3 +38,4 @@ bool fscrypt_prepare_user_storage(const std::string& volume_uuid, userid_t user_
 bool fscrypt_destroy_user_storage(const std::string& volume_uuid, userid_t user_id, int flags);
 
 bool fscrypt_destroy_volume_keys(const std::string& volume_uuid);
+bool is_metadata_wrapped_key_supported();
diff --git a/VoldUtil.h b/VoldUtil.h
index ce6b411..e0945bf 100644
--- a/VoldUtil.h
+++ b/VoldUtil.h
@@ -21,3 +21,4 @@
 extern android::fs_mgr::Fstab fstab_default;
 
 #define DATA_MNT_POINT "/data"
+#define METADATA_MNT_POINT "/metadata"