Adding extraline to trigger tests

Author: Ritesh Garg

hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DataStreamer.java

@@ -1848,6 +1848,7 @@ boolean createBlockOutputStream(DatanodeInfo[] nodes,
       LOG.info("nodes are empty for write pipeline of " + block);
       return false;
     }
+
     String firstBadLink = "";
     boolean checkRestart = false;
     if (LOG.isDebugEnabled()) {

hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/StripedDataStreamer.java

@@ -89,6 +89,7 @@ private LocatedBlock getFollowingBlock() throws IOException {
     return coordinator.getFollowingBlocks().poll(index);
   }
 
+
   @Override
   protected LocatedBlock nextBlockOutputStream() throws IOException {
     boolean success;

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

@@ -148,6 +148,7 @@ class BlockReceiver implements Closeable {
   private final AtomicLong lastSentTime = new AtomicLong(0L);
   private long maxSendIdleTime;
 
+
   BlockReceiver(final ExtendedBlock block, final StorageType storageType,
       final DataInputStream in,
       final String inAddr, final String myAddr,

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

@@ -96,6 +96,7 @@ public boolean isSimulated() {
     }
   }
 
+
   /**
    * It behaviors as an unmodifiable list of FsVolume. Individual FsVolume can
    * be obtained by using {@link #get(int)}.

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java

@@ -1583,6 +1583,7 @@ public Replica recoverClose(ExtendedBlock b, long newGS,
     }
   }
 
+
   @Override // FsDatasetSpi
   public ReplicaHandler createRbw(
       StorageType storageType, String storageId, ExtendedBlock b,

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDistributedFileSystem.java

@@ -150,7 +150,8 @@ public class TestDistributedFileSystem {
   private boolean dualPortTesting = false;
 
   private boolean noXmlDefaults = false;
-  
+
+
   HdfsConfiguration getTestConfiguration() {
     HdfsConfiguration conf;
     if (noXmlDefaults) {

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/SimulatedFSDataset.java

@@ -104,6 +104,7 @@ public SimulatedFSDataset newInstance(DataNode datanode,
       return new SimulatedFSDataset(datanode, storage, conf);
     }
 
+
     @Override
     public boolean isSimulated() {
       return true;

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/extdataset/ExternalDatasetImpl.java

@@ -54,6 +54,7 @@ public class ExternalDatasetImpl implements FsDatasetSpi<ExternalVolumeImpl> {
       DatanodeStorage.generateUuid(), DatanodeStorage.State.NORMAL,
       StorageType.DEFAULT);
 
+  
   @Override
   public FsVolumeReferences getFsVolumeReferences() {
     return null;