--- a/jdk/src/java.base/share/classes/java/io/FileSystem.java	Tue Dec 20 10:49:50 2016 +0100
+++ b/jdk/src/java.base/share/classes/java/io/FileSystem.java	Tue Dec 20 11:46:09 2016 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -213,6 +213,13 @@
     /* -- Basic infrastructure -- */
 
     /**
+     * Retrieve the maximum length of a component of a file path.
+     *
+     * @return The maximum length of a file path component.
+     */
+    public abstract int getNameMax(String path);
+
+    /**
      * Compare two abstract pathnames lexicographically.
      */
     public abstract int compare(File f1, File f2);