--- old/src/java.base/share/classes/sun/nio/ch/IOUtil.java	2018-06-22 12:23:40.371672373 -0700
+++ new/src/java.base/share/classes/sun/nio/ch/IOUtil.java	2018-06-22 12:23:40.086672380 -0700
@@ -43,7 +43,7 @@
 
     private IOUtil() { }                // No instantiation
 
-    static int write(FileDescriptor fd, ByteBuffer src, long position,
+    public static int write(FileDescriptor fd, ByteBuffer src, long position,
                      NativeDispatcher nd)
         throws IOException
     {
@@ -123,7 +123,7 @@
         return write(fd, bufs, 0, bufs.length, false, -1, nd);
     }
 
-    static long write(FileDescriptor fd, ByteBuffer[] bufs, int offset, int length,
+    public static long write(FileDescriptor fd, ByteBuffer[] bufs, int offset, int length,
                       NativeDispatcher nd)
         throws IOException
     {
@@ -216,7 +216,7 @@
         }
     }
 
-    static int read(FileDescriptor fd, ByteBuffer dst, long position,
+    public static int read(FileDescriptor fd, ByteBuffer dst, long position,
                     NativeDispatcher nd)
         throws IOException
     {
@@ -286,7 +286,7 @@
         return read(fd, bufs, 0, bufs.length, false, -1, nd);
     }
 
-    static long read(FileDescriptor fd, ByteBuffer[] bufs, int offset, int length,
+    public static long read(FileDescriptor fd, ByteBuffer[] bufs, int offset, int length,
                      NativeDispatcher nd)
         throws IOException
     {