HADOOP-4071. FSNameSystem.isReplicationInProgress should add an underReplicated block to the neededReplication queue using method add not update. Contributed by Hairong Kuang.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/core/trunk@694476 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -519,6 +519,10 @@ Trunk (unreleased changes)
     HADOOP-4054. Remove duplicate lease removal during edit log loading.
     (hairong)
 
+    HADOOP-4071. FSNameSystem.isReplicationInProgress should add an
+    underReplicated block to the neededReplication queue using method 
+    "add" not "update". (hairong)
+
 Release 0.18.1 - Unreleased
 
   IMPROVEMENTS

src/hdfs/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java

@@ -3506,11 +3506,10 @@ public class FSNamesystem implements FSConstants, FSNamesystemMBean {
             // after the startDecommission method has been executed. These
             // blocks were in flight when the decommission was started.
             //
-            neededReplications.update(block, 
-                                      curReplicas,
-                                      num.decommissionedReplicas(),
-                                      curExpectedReplicas,
-                                      -1, 0);
+            neededReplications.add(block, 
+                                   curReplicas,
+                                   num.decommissionedReplicas(),
+                                   curExpectedReplicas);
           }
         }
       }