HDFS-4544. Merge 1453436 from trunk

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1453444 13f79535-47bb-0310-9956-ffa450edef68

hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

@@ -51,6 +51,9 @@ Release 2.0.4-beta - UNRELEASED
     HDFS-4540. Namenode http server should use the web authentication 
     keytab for spnego principal. (Arpit Gupta via suresh)
 
+    HDFS-4544. Error in deleting blocks should not do check disk, for
+    all types of errors. (Arpit Agarwal via suresh)
+
 Release 2.0.3-alpha - 2013-02-06
 
   INCOMPATIBLE CHANGES

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BPOfferService.java

@@ -539,7 +539,7 @@ private boolean processCommandFromActive(DatanodeCommand cmd,
         // using global fsdataset
         dn.getFSDataset().invalidate(bcmd.getBlockPoolId(), toDelete);
       } catch(IOException e) {
-        dn.checkDiskError();
+        // Exceptions caught here are not expected to be disk-related.
         throw e;
       }
       dn.metrics.incrBlocksRemoved(toDelete.length);