--- old/src/java.base/unix/classes/java/io/FileDescriptor.java	2016-09-29 14:26:27.176927328 -0700
+++ new/src/java.base/unix/classes/java/io/FileDescriptor.java	2016-09-29 14:26:27.053927327 -0700
@@ -59,6 +59,11 @@
     private boolean append;
 
     /**
+     * true, if file is opened with O_DIRECT flag;
+     */
+    private boolean direct;
+
+    /**
      * Constructs an (invalid) FileDescriptor
      * object.
      */
@@ -69,6 +74,7 @@
     private FileDescriptor(int fd) {
         this.fd = fd;
         this.append = getAppend(fd);
+        this.direct = getDirect(fd);
     }
 
     /**
@@ -165,6 +171,14 @@
                     return obj.append;
                 }
 
+                public void setDirect(FileDescriptor obj, boolean direct) {
+                    obj.direct = direct;
+                }
+
+                public boolean getDirect(FileDescriptor obj) {
+                    return obj.direct;
+                }
+
                 public void setHandle(FileDescriptor obj, long handle) {
                     throw new UnsupportedOperationException();
                 }
@@ -181,6 +195,11 @@
      */
     private static native boolean getAppend(int fd);
 
+    /**
+     * Returns true, if the file was opened with O_DIRECT flag.
+     */
+    private native boolean getDirect(int fd);
+
     /*
      * Package private methods to track referents.
      * If multiple streams point to the same FileDescriptor, we cycle