--- a/jdk/src/share/classes/java/io/FileSystem.java	Wed Jan 09 16:13:29 2013 +0100
+++ b/jdk/src/share/classes/java/io/FileSystem.java	Thu Jan 10 12:23:15 2013 +0100
@@ -25,6 +25,7 @@
 
 package java.io;
 
+import java.lang.annotation.Native;
 
 /**
  * Package-private abstract class for the local filesystem abstraction.
@@ -98,10 +99,10 @@
     /* -- Attribute accessors -- */
 
     /* Constants for simple boolean attributes */
-    public static final int BA_EXISTS    = 0x01;
-    public static final int BA_REGULAR   = 0x02;
-    public static final int BA_DIRECTORY = 0x04;
-    public static final int BA_HIDDEN    = 0x08;
+    @Native public static final int BA_EXISTS    = 0x01;
+    @Native public static final int BA_REGULAR   = 0x02;
+    @Native public static final int BA_DIRECTORY = 0x04;
+    @Native public static final int BA_HIDDEN    = 0x08;
 
     /**
      * Return the simple boolean attributes for the file or directory denoted
@@ -110,9 +111,9 @@
      */
     public abstract int getBooleanAttributes(File f);
 
-    public static final int ACCESS_READ    = 0x04;
-    public static final int ACCESS_WRITE   = 0x02;
-    public static final int ACCESS_EXECUTE = 0x01;
+    @Native public static final int ACCESS_READ    = 0x04;
+    @Native public static final int ACCESS_WRITE   = 0x02;
+    @Native public static final int ACCESS_EXECUTE = 0x01;
 
     /**
      * Check whether the file or directory denoted by the given abstract
@@ -203,9 +204,9 @@
     public abstract File[] listRoots();
 
     /* -- Disk usage -- */
-    public static final int SPACE_TOTAL  = 0;
-    public static final int SPACE_FREE   = 1;
-    public static final int SPACE_USABLE = 2;
+    @Native public static final int SPACE_TOTAL  = 0;
+    @Native public static final int SPACE_FREE   = 1;
+    @Native public static final int SPACE_USABLE = 2;
 
     public abstract long getSpace(File f, int t);