diff -r 9cfa2e273b77 -r 396dfb0e8ba5 src/java.base/macosx/classes/sun/nio/fs/DefaultFileSystemProvider.java
--- a/src/java.base/macosx/classes/sun/nio/fs/DefaultFileSystemProvider.java	Wed Nov 28 16:05:48 2018 -0500
+++ b/src/java.base/macosx/classes/sun/nio/fs/DefaultFileSystemProvider.java	Wed Nov 28 14:28:28 2018 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2017, 2018, 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
@@ -25,19 +25,29 @@
 
 package sun.nio.fs;
 
-import java.nio.file.spi.FileSystemProvider;
+import java.nio.file.FileSystem;
 
 /**
  * Creates this platform's default FileSystemProvider.
  */
 
 public class DefaultFileSystemProvider {
+    private static final MacOSXFileSystemProvider INSTANCE
+        = new MacOSXFileSystemProvider();
+
     private DefaultFileSystemProvider() { }
 
     /**
-     * Returns the default FileSystemProvider.
+     * Returns the platform's default file system provider.
      */
-    public static FileSystemProvider create() {
-        return new MacOSXFileSystemProvider();
+    public static MacOSXFileSystemProvider instance() {
+        return INSTANCE;
+    }
+
+    /**
+     * Returns the platform's default file system.
+     */
+    public static FileSystem theFileSystem() {
+        return INSTANCE.theFileSystem();
     }
 }