From a54b4a7fc648ac1dbf099ce85519a48fcff7ec70 Mon Sep 17 00:00:00 2001
From: Colin Patrick Mccabe <cmccabe@cloudera.com>
Date: Fri, 13 Feb 2015 15:11:14 -0800
Subject: [PATCH] HDFS-7430 backport addendum.  Add missing change. (cmccabe)

---
 .../java/org/apache/hadoop/hdfs/server/datanode/DataNode.java    | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
index 93e64d2808b..b6a84c31130 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
@@ -382,6 +382,7 @@ public class DataNode extends ReconfigurableBase
            final List<StorageLocation> dataDirs,
            final SecureResources resources) throws IOException {
     super(conf);
+    this.blockScanner = new BlockScanner(this, conf);
     this.lastDiskErrorCheck = 0;
     this.maxNumberOfBlocksToLog = conf.getLong(DFS_MAX_NUM_BLOCKS_TO_LOG_KEY,
         DFS_MAX_NUM_BLOCKS_TO_LOG_DEFAULT);