Author: szetszwo
Date: Fri Apr 27 21:18:59 2012
New Revision: 1331599

URL: http://svn.apache.org/viewvc?rev=1331599&view=rev
Log:
svn merge -c 1331598 from trunk for HDFS-3331. In namenode, check superuser 
privilege for setBalancerBandwidth and acquire the write lock for 
finalizeUpgrade.

Modified:
    hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/   (props 
changed)
    hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
    
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/  
 (props changed)
    
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeManager.java
    
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
    
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java

Propchange: hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/
------------------------------------------------------------------------------
  Merged /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs:r1331598

Modified: 
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
URL: 
http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt?rev=1331599&r1=1331598&r2=1331599&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt 
(original)
+++ hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt 
Fri Apr 27 21:18:59 2012
@@ -798,7 +798,11 @@ Release 0.23.3 - UNRELEASED
 
     HDFS-3321. Fix safe mode turn off tip message.  (Ravi Prakash via szetszwo)
 
-    HDFS-3334. Fix ByteRangeInputStream stream leakage.  (Daryn Sharp via 
szetszwo)
+    HDFS-3334. Fix ByteRangeInputStream stream leakage.  (Daryn Sharp via
+    szetszwo)
+
+    HDFS-3331. In namenode, check superuser privilege for setBalancerBandwidth
+    and acquire the write lock for finalizeUpgrade.  (szetszwo)
 
 Release 0.23.2 - UNRELEASED
 

Propchange: 
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/
------------------------------------------------------------------------------
  Merged 
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java:r1331598

Modified: 
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeManager.java
URL: 
http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeManager.java?rev=1331599&r1=1331598&r2=1331599&view=diff
==============================================================================
--- 
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeManager.java
 (original)
+++ 
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeManager.java
 Fri Apr 27 21:18:59 2012
@@ -651,7 +651,6 @@ public class DatanodeManager {
    * checks if any of the hosts have changed states:
    */
   public void refreshNodes(final Configuration conf) throws IOException {
-    namesystem.checkSuperuserPrivilege();
     refreshHostsReader(conf);
     namesystem.writeLock();
     try {

Modified: 
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
URL: 
http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java?rev=1331599&r1=1331598&r2=1331599&view=diff
==============================================================================
--- 
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
 (original)
+++ 
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
 Fri Apr 27 21:18:59 2012
@@ -3332,8 +3332,26 @@ public class FSNamesystem implements Nam
   }
     
   void finalizeUpgrade() throws IOException {
+    writeLock();
+    try {
+      checkOperation(OperationCategory.WRITE);
+      checkSuperuserPrivilege();
+      getFSImage().finalizeUpgrade();
+    } finally {
+      writeUnlock();
+    }
+  }
+
+  void refreshNodes() throws IOException {
+    checkOperation(OperationCategory.UNCHECKED);
+    checkSuperuserPrivilege();
+    getBlockManager().getDatanodeManager().refreshNodes(new 
HdfsConfiguration());
+  }
+
+  void setBalancerBandwidth(long bandwidth) throws IOException {
+    checkOperation(OperationCategory.UNCHECKED);
     checkSuperuserPrivilege();
-    getFSImage().finalizeUpgrade();
+    getBlockManager().getDatanodeManager().setBalancerBandwidth(bandwidth);
   }
 
   /**

Modified: 
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java
URL: 
http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java?rev=1331599&r1=1331598&r2=1331599&view=diff
==============================================================================
--- 
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java
 (original)
+++ 
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java
 Fri Apr 27 21:18:59 2012
@@ -708,9 +708,7 @@ class NameNodeRpcServer implements Namen
 
   @Override // ClientProtocol
   public void refreshNodes() throws IOException {
-    namesystem.checkOperation(OperationCategory.UNCHECKED);
-    namesystem.getBlockManager().getDatanodeManager().refreshNodes(
-        new HdfsConfiguration());
+    namesystem.refreshNodes();
   }
 
   @Override // NamenodeProtocol
@@ -733,7 +731,6 @@ class NameNodeRpcServer implements Namen
     
   @Override // ClientProtocol
   public void finalizeUpgrade() throws IOException {
-    namesystem.checkOperation(OperationCategory.WRITE);
     namesystem.finalizeUpgrade();
   }
 
@@ -773,8 +770,7 @@ class NameNodeRpcServer implements Namen
    */
   @Override // ClientProtocol
   public void setBalancerBandwidth(long bandwidth) throws IOException {
-    namesystem.checkOperation(OperationCategory.UNCHECKED);
-    
namesystem.getBlockManager().getDatanodeManager().setBalancerBandwidth(bandwidth);
+    namesystem.setBalancerBandwidth(bandwidth);
   }
   
   @Override // ClientProtocol


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