From dd874805678629df0fdb489644a1330ff35c94a4 Mon Sep 17 00:00:00 2001
From: Kousuke Saruta <sarutak@oss.nttdata.co.jp>
Date: Tue, 7 Oct 2014 15:54:27 +0900
Subject: [PATCH] Made header Spark log image as a link to History Server's top
 page.

---
 core/src/main/scala/org/apache/spark/ui/UIUtils.scala | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/core/src/main/scala/org/apache/spark/ui/UIUtils.scala b/core/src/main/scala/org/apache/spark/ui/UIUtils.scala
index f0006b42aee4f..aaa90ad67b362 100644
--- a/core/src/main/scala/org/apache/spark/ui/UIUtils.scala
+++ b/core/src/main/scala/org/apache/spark/ui/UIUtils.scala
@@ -216,8 +216,10 @@ private[spark] object UIUtils extends Logging {
           <div class="row-fluid">
             <div class="span12">
               <h3 style="vertical-align: middle; display: inline-block;">
-                <img src={prependBaseUri("/static/spark-logo-77x50px-hd.png")}
-                     style="margin-right: 15px;" />
+                <a style="text-decoration: none" href ={prependBaseUri("/")}>
+                  <img src={prependBaseUri("/static/spark-logo-77x50px-hd.png")}
+                       style="margin-right: 15px;" />
+                </a>
                 {title}
               </h3>
             </div>