HDFS-13209. DistributedFileSystem.create should allow an option to provide StoragePolicy. Contributed by Ayush Saxena.

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

@@ -1211,13 +1211,31 @@ public DFSOutputStream create(String src, FsPermission permission,
       long blockSize, Progressable progress, int buffersize,
       ChecksumOpt checksumOpt, InetSocketAddress[] favoredNodes,
       String ecPolicyName) throws IOException {
+    return create(src, permission, flag, createParent, replication, blockSize,
+        progress, buffersize, checksumOpt, favoredNodes, ecPolicyName, null);
+  }
+
+  /**
+   * Same as {@link #create(String, FsPermission, EnumSet, boolean, short, long,
+   * addition of Progressable, int, ChecksumOpt, InetSocketAddress[], String)}
+   * with the storagePolicy that is used to specify a specific storage policy
+   * instead of inheriting any policy from this new file's parent directory.
+   * This policy will be persisted in HDFS. A value of null means inheriting
+   * parent groups' whatever policy.
+   */
+  public DFSOutputStream create(String src, FsPermission permission,
+      EnumSet<CreateFlag> flag, boolean createParent, short replication,
+      long blockSize, Progressable progress, int buffersize,
+      ChecksumOpt checksumOpt, InetSocketAddress[] favoredNodes,
+      String ecPolicyName, String storagePolicy)
+      throws IOException {
     checkOpen();
     final FsPermission masked = applyUMask(permission);
     LOG.debug("{}: masked={}", src, masked);
     final DFSOutputStream result = DFSOutputStream.newStreamForCreate(this,
         src, masked, flag, createParent, replication, blockSize, progress,
         dfsClientConf.createChecksum(checksumOpt),
-        getFavoredNodesStr(favoredNodes), ecPolicyName);
+        getFavoredNodesStr(favoredNodes), ecPolicyName, storagePolicy);
     beginFileLease(result.getFileId(), result);
     return result;
   }
@@ -1271,7 +1289,7 @@ public DFSOutputStream primitiveCreate(String src, FsPermission absPermission,
       DataChecksum checksum = dfsClientConf.createChecksum(checksumOpt);
       result = DFSOutputStream.newStreamForCreate(this, src, absPermission,
           flag, createParent, replication, blockSize, progress, checksum,
-          null, null);
+          null, null, null);
     }
     beginFileLease(result.getFileId(), result);
     return result;

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

@@ -260,7 +260,8 @@ protected DFSOutputStream(DFSClient dfsClient, String src,
   static DFSOutputStream newStreamForCreate(DFSClient dfsClient, String src,
       FsPermission masked, EnumSet<CreateFlag> flag, boolean createParent,
       short replication, long blockSize, Progressable progress,
-      DataChecksum checksum, String[] favoredNodes, String ecPolicyName)
+      DataChecksum checksum, String[] favoredNodes, String ecPolicyName,
+      String storagePolicy)
       throws IOException {
     try (TraceScope ignored =
              dfsClient.newPathTraceScope("newStreamForCreate", src)) {
@@ -275,7 +276,8 @@ static DFSOutputStream newStreamForCreate(DFSClient dfsClient, String src,
         try {
           stat = dfsClient.namenode.create(src, masked, dfsClient.clientName,
               new EnumSetWritable<>(flag), createParent, replication,
-              blockSize, SUPPORTED_CRYPTO_VERSIONS, ecPolicyName);
+              blockSize, SUPPORTED_CRYPTO_VERSIONS, ecPolicyName,
+              storagePolicy);
           break;
         } catch (RemoteException re) {
           IOException e = re.unwrapRemoteException(

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

@@ -563,13 +563,17 @@ public FSDataOutputStream next(final FileSystem fs, final Path p)
    * replication policy from its ancestor (the default).
    * ecPolicyName and SHOULD_REPLICATE CreateFlag are mutually exclusive. It's
    * invalid to set both SHOULD_REPLICATE and a non-null ecPolicyName.
+   * The third addition is storagePolicyName. A non-null storage Policy
+   * specifies an explicit storage policy for this file, overriding the
+   * inherited policy.
    *
    */
   private HdfsDataOutputStream create(final Path f,
       final FsPermission permission, final EnumSet<CreateFlag> flag,
       final int bufferSize, final short replication, final long blockSize,
       final Progressable progress, final ChecksumOpt checksumOpt,
-      final InetSocketAddress[] favoredNodes, final String ecPolicyName)
+      final InetSocketAddress[] favoredNodes, final String ecPolicyName,
+      final String storagePolicy)
       throws IOException {
     statistics.incrementWriteOps(1);
     storageStatistics.incrementOpCounter(OpType.CREATE);
@@ -579,7 +583,7 @@ private HdfsDataOutputStream create(final Path f,
       public HdfsDataOutputStream doCall(final Path p) throws IOException {
         final DFSOutputStream out = dfs.create(getPathName(f), permission,
             flag, true, replication, blockSize, progress, bufferSize,
-            checksumOpt, favoredNodes, ecPolicyName);
+            checksumOpt, favoredNodes, ecPolicyName, storagePolicy);
         return dfs.createWrappedOutputStream(out, statistics);
       }
       @Override
@@ -588,7 +592,8 @@ public HdfsDataOutputStream next(final FileSystem fs, final Path p)
         if (fs instanceof DistributedFileSystem) {
           DistributedFileSystem myDfs = (DistributedFileSystem)fs;
           return myDfs.create(p, permission, flag, bufferSize, replication,
-              blockSize, progress, checksumOpt, favoredNodes, ecPolicyName);
+              blockSize, progress, checksumOpt, favoredNodes, ecPolicyName,
+              storagePolicy);
         }
         throw new UnsupportedOperationException("Cannot create with" +
             " favoredNodes through a symlink to a non-DistributedFileSystem: "
@@ -619,14 +624,15 @@ protected HdfsDataOutputStream primitiveCreate(Path f,
    *
    * @see #create(Path, FsPermission, EnumSet, int, short, long, Progressable,
    * ChecksumOpt, InetSocketAddress[], String) for the descriptions of
-   * additional parameters, i.e., favoredNodes and ecPolicyName.
+   * additional parameters, i.e., favoredNodes, ecPolicyName and
+   * storagePolicyName.
    */
   private HdfsDataOutputStream createNonRecursive(final Path f,
       final FsPermission permission, final EnumSet<CreateFlag> flag,
       final int bufferSize, final short replication, final long blockSize,
       final Progressable progress, final ChecksumOpt checksumOpt,
-      final InetSocketAddress[] favoredNodes, final String ecPolicyName)
+      final InetSocketAddress[] favoredNodes, final String ecPolicyName,
-      throws IOException {
+      final String storagePolicyName) throws IOException {
     statistics.incrementWriteOps(1);
     storageStatistics.incrementOpCounter(OpType.CREATE);
     Path absF = fixRelativePart(f);
@@ -635,7 +641,7 @@ private HdfsDataOutputStream createNonRecursive(final Path f,
       public HdfsDataOutputStream doCall(final Path p) throws IOException {
         final DFSOutputStream out = dfs.create(getPathName(f), permission,
             flag, false, replication, blockSize, progress, bufferSize,
-            checksumOpt, favoredNodes, ecPolicyName);
+            checksumOpt, favoredNodes, ecPolicyName, storagePolicyName);
         return dfs.createWrappedOutputStream(out, statistics);
       }
       @Override
@@ -645,7 +651,7 @@ public HdfsDataOutputStream next(final FileSystem fs, final Path p)
           DistributedFileSystem myDfs = (DistributedFileSystem)fs;
           return myDfs.createNonRecursive(p, permission, flag, bufferSize,
               replication, blockSize, progress, checksumOpt, favoredNodes,
-              ecPolicyName);
+              ecPolicyName, storagePolicyName);
         }
         throw new UnsupportedOperationException("Cannot create with" +
             " favoredNodes through a symlink to a non-DistributedFileSystem: "
@@ -3183,6 +3189,7 @@ public static final class HdfsDataOutputStreamBuilder
     private final DistributedFileSystem dfs;
     private InetSocketAddress[] favoredNodes = null;
     private String ecPolicyName = null;
+    private String storagePolicyName = null;
 
     /**
      * Construct a HdfsDataOutputStream builder for a file.
@@ -3254,6 +3261,22 @@ public HdfsDataOutputStreamBuilder noLocalWrite() {
       return this;
     }
 
+    @VisibleForTesting
+    String getStoragePolicyName() {
+      return storagePolicyName;
+    }
+
+    /**
+     * Enforce a file to follow the specified storage policy irrespective of the
+     * storage policy of its parent directory.
+     */
+    public HdfsDataOutputStreamBuilder storagePolicyName(
+        @Nonnull final String policyName) {
+      Preconditions.checkNotNull(policyName);
+      storagePolicyName = policyName;
+      return this;
+    }
+
     @VisibleForTesting
     String getEcPolicyName() {
       return ecPolicyName;
@@ -3320,11 +3343,12 @@ public FSDataOutputStream build() throws IOException {
           return dfs.create(getPath(), getPermission(), getFlags(),
               getBufferSize(), getReplication(), getBlockSize(),
               getProgress(), getChecksumOpt(), getFavoredNodes(),
-              getEcPolicyName());
+              getEcPolicyName(), getStoragePolicyName());
         } else {
           return dfs.createNonRecursive(getPath(), getPermission(), getFlags(),
               getBufferSize(), getReplication(), getBlockSize(), getProgress(),
-              getChecksumOpt(), getFavoredNodes(), getEcPolicyName());
+              getChecksumOpt(), getFavoredNodes(), getEcPolicyName(),
+              getStoragePolicyName());
         }
       } else if (getFlags().contains(CreateFlag.APPEND)) {
         return dfs.append(getPath(), getFlags(), getBufferSize(), getProgress(),

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

@@ -176,6 +176,7 @@ LocatedBlocks getBlockLocations(String src, long offset, long length)
    *                     policy. ecPolicyName and SHOULD_REPLICATE CreateFlag
    *                     are mutually exclusive. It's invalid to set both
    *                     SHOULD_REPLICATE flag and a non-null ecPolicyName.
+   *@param storagePolicy the name of the storage policy.
    *
    * @return the status of the created file, it could be null if the server
    *           doesn't support returning the file status
@@ -209,7 +210,8 @@ LocatedBlocks getBlockLocations(String src, long offset, long length)
   HdfsFileStatus create(String src, FsPermission masked,
       String clientName, EnumSetWritable<CreateFlag> flag,
       boolean createParent, short replication, long blockSize,
-      CryptoProtocolVersion[] supportedVersions, String ecPolicyName)
+      CryptoProtocolVersion[] supportedVersions, String ecPolicyName,
+      String storagePolicy)
       throws IOException;
 
   /**

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

@@ -345,7 +345,8 @@ public FsServerDefaults getServerDefaults() throws IOException {
   public HdfsFileStatus create(String src, FsPermission masked,
       String clientName, EnumSetWritable<CreateFlag> flag,
       boolean createParent, short replication, long blockSize,
-      CryptoProtocolVersion[] supportedVersions, String ecPolicyName)
+      CryptoProtocolVersion[] supportedVersions, String ecPolicyName,
+      String storagePolicy)
       throws IOException {
     CreateRequestProto.Builder builder = CreateRequestProto.newBuilder()
         .setSrc(src)
@@ -358,6 +359,9 @@ public HdfsFileStatus create(String src, FsPermission masked,
     if (ecPolicyName != null) {
       builder.setEcPolicyName(ecPolicyName);
     }
+    if (storagePolicy != null) {
+      builder.setStoragePolicy(storagePolicy);
+    }
     FsPermission unmasked = masked.getUnmasked();
     if (unmasked != null) {
       builder.setUnmasked(PBHelperClient.convert(unmasked));

hadoop-hdfs-project/hadoop-hdfs-client/src/main/proto/ClientNamenodeProtocol.proto

@@ -83,6 +83,7 @@ message CreateRequestProto {
   repeated CryptoProtocolVersionProto cryptoProtocolVersion = 8;
   optional FsPermissionProto unmasked = 9;
   optional string ecPolicyName = 10;
+  optional string storagePolicy = 11;
 }
 
 message CreateResponseProto {

hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterClientProtocol.java

@@ -192,7 +192,8 @@ public FsServerDefaults getServerDefaults() throws IOException {
   public HdfsFileStatus create(String src, FsPermission masked,
       String clientName, EnumSetWritable<CreateFlag> flag,
       boolean createParent, short replication, long blockSize,
-      CryptoProtocolVersion[] supportedVersions, String ecPolicyName)
+      CryptoProtocolVersion[] supportedVersions, String ecPolicyName,
+      String storagePolicy)
       throws IOException {
     rpcServer.checkOperation(NameNode.OperationCategory.WRITE);
 
@@ -213,9 +214,9 @@ public HdfsFileStatus create(String src, FsPermission masked,
         new Class<?>[] {String.class, FsPermission.class, String.class,
             EnumSetWritable.class, boolean.class, short.class,
             long.class, CryptoProtocolVersion[].class,
-            String.class},
+            String.class, String.class},
         createLocation.getDest(), masked, clientName, flag, createParent,
-        replication, blockSize, supportedVersions, ecPolicyName);
+        replication, blockSize, supportedVersions, ecPolicyName, storagePolicy);
     return (HdfsFileStatus) rpcClient.invokeSingle(createLocation, method);
   }
 

hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterRpcServer.java

@@ -500,10 +500,11 @@ public FsServerDefaults getServerDefaults() throws IOException {
   public HdfsFileStatus create(String src, FsPermission masked,
       String clientName, EnumSetWritable<CreateFlag> flag,
       boolean createParent, short replication, long blockSize,
-      CryptoProtocolVersion[] supportedVersions, String ecPolicyName)
+      CryptoProtocolVersion[] supportedVersions, String ecPolicyName,
+      String storagePolicy)
       throws IOException {
     return clientProto.create(src, masked, clientName, flag, createParent,
-        replication, blockSize, supportedVersions, ecPolicyName);
+        replication, blockSize, supportedVersions, ecPolicyName, storagePolicy);
   }
 
   /**

hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/java/org/apache/hadoop/hdfs/server/federation/router/TestRouterRpc.java

@@ -884,7 +884,7 @@ public void testProxyGetAdditionalDatanode()
     HdfsFileStatus status = routerProtocol.create(
         newRouterFile, new FsPermission("777"), clientName,
         new EnumSetWritable<CreateFlag>(createFlag), true, (short) 1,
-        (long) 1024, CryptoProtocolVersion.supported(), null);
+        (long) 1024, CryptoProtocolVersion.supported(), null, null);
 
     // Add a block via router (requires client to have same lease)
     LocatedBlock block = routerProtocol.addBlock(

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/ClientNamenodeProtocolServerSideTranslatorPB.java

@@ -478,7 +478,7 @@ public CreateResponseProto create(RpcController controller,
           (short) req.getReplication(), req.getBlockSize(),
           PBHelperClient.convertCryptoProtocolVersions(
               req.getCryptoProtocolVersionList()),
-          req.getEcPolicyName());
+          req.getEcPolicyName(), req.getStoragePolicy());
 
       if (result != null) {
         return CreateResponseProto.newBuilder().setFs(PBHelperClient.convert(result))

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirWriteFileOp.java

@@ -361,7 +361,8 @@ static HdfsFileStatus startFile(
       EnumSet<CreateFlag> flag, boolean createParent,
       short replication, long blockSize,
       FileEncryptionInfo feInfo, INode.BlocksMapUpdateInfo toRemoveBlocks,
-      boolean shouldReplicate, String ecPolicyName, boolean logRetryEntry)
+      boolean shouldReplicate, String ecPolicyName, String storagePolicy,
+      boolean logRetryEntry)
       throws IOException {
     assert fsn.hasWriteLock();
     boolean overwrite = flag.contains(CreateFlag.OVERWRITE);
@@ -396,7 +397,7 @@ static HdfsFileStatus startFile(
     if (parent != null) {
       iip = addFile(fsd, parent, iip.getLastLocalName(), permissions,
           replication, blockSize, holder, clientMachine, shouldReplicate,
-          ecPolicyName);
+          ecPolicyName, storagePolicy);
       newNode = iip != null ? iip.getLastINode().asFile() : null;
     }
     if (newNode == null) {
@@ -540,7 +541,7 @@ private static INodesInPath addFile(
       FSDirectory fsd, INodesInPath existing, byte[] localName,
       PermissionStatus permissions, short replication, long preferredBlockSize,
       String clientName, String clientMachine, boolean shouldReplicate,
-      String ecPolicyName) throws IOException {
+      String ecPolicyName, String storagePolicy) throws IOException {
 
     Preconditions.checkNotNull(existing);
     long modTime = now();
@@ -549,6 +550,16 @@ private static INodesInPath addFile(
     try {
       boolean isStriped = false;
       ErasureCodingPolicy ecPolicy = null;
+      byte storagepolicyid = 0;
+      if (storagePolicy != null && !storagePolicy.isEmpty()) {
+        BlockStoragePolicy policy =
+            fsd.getBlockManager().getStoragePolicy(storagePolicy);
+        if (policy == null) {
+          throw new HadoopIllegalArgumentException(
+              "Cannot find a block policy with the name " + storagePolicy);
+        }
+        storagepolicyid = policy.getId();
+      }
       if (!shouldReplicate) {
         ecPolicy = FSDirErasureCodingOp.getErasureCodingPolicy(
             fsd.getFSNamesystem(), ecPolicyName, existing);
@@ -562,7 +573,7 @@ private static INodesInPath addFile(
       final Byte ecPolicyID = (isStriped ? ecPolicy.getId() : null);
       INodeFile newNode = newINodeFile(fsd.allocateNewInodeId(), permissions,
           modTime, modTime, replicationFactor, ecPolicyID, preferredBlockSize,
-          blockType);
+          storagepolicyid, blockType);
       newNode.setLocalName(localName);
       newNode.toUnderConstruction(clientName, clientMachine);
       newiip = fsd.addINode(existing, newNode, permissions.getPermission());
@@ -740,13 +751,6 @@ private static INodeFile newINodeFile(
         storagePolicyId, blockType);
   }
 
-  private static INodeFile newINodeFile(long id, PermissionStatus permissions,
-      long mtime, long atime, Short replication, Byte ecPolicyID,
-      long preferredBlockSize, BlockType blockType) {
-    return newINodeFile(id, permissions, mtime, atime, replication, ecPolicyID,
-        preferredBlockSize, (byte)0, blockType);
-  }
-
   /**
    * Persist the new block (the last block of the given file).
    */

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java

@@ -2441,13 +2441,13 @@ HdfsFileStatus startFile(String src, PermissionStatus permissions,
       String holder, String clientMachine, EnumSet<CreateFlag> flag,
       boolean createParent, short replication, long blockSize,
       CryptoProtocolVersion[] supportedVersions, String ecPolicyName,
-      boolean logRetryCache) throws IOException {
+      String storagePolicy, boolean logRetryCache) throws IOException {
 
     HdfsFileStatus status;
     try {
       status = startFileInt(src, permissions, holder, clientMachine, flag,
           createParent, replication, blockSize, supportedVersions, ecPolicyName,
-          logRetryCache);
+          storagePolicy, logRetryCache);
     } catch (AccessControlException e) {
       logAuditEvent(false, "create", src);
       throw e;
@@ -2460,7 +2460,8 @@ private HdfsFileStatus startFileInt(String src,
       PermissionStatus permissions, String holder, String clientMachine,
       EnumSet<CreateFlag> flag, boolean createParent, short replication,
       long blockSize, CryptoProtocolVersion[] supportedVersions,
-      String ecPolicyName, boolean logRetryCache) throws IOException {
+      String ecPolicyName, String storagePolicy, boolean logRetryCache)
+      throws IOException {
     if (NameNode.stateChangeLog.isDebugEnabled()) {
       StringBuilder builder = new StringBuilder();
       builder.append("DIR* NameSystem.startFile: src=").append(src)
@@ -2549,7 +2550,8 @@ private HdfsFileStatus startFileInt(String src,
       try {
         stat = FSDirWriteFileOp.startFile(this, iip, permissions, holder,
             clientMachine, flag, createParent, replication, blockSize, feInfo,
-            toRemoveBlocks, shouldReplicate, ecPolicyName, logRetryCache);
+            toRemoveBlocks, shouldReplicate, ecPolicyName, storagePolicy,
+            logRetryCache);
       } catch (IOException e) {
         skipSync = e instanceof StandbyException;
         throw e;

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java

@@ -780,7 +780,8 @@ public FsServerDefaults getServerDefaults() throws IOException {
   public HdfsFileStatus create(String src, FsPermission masked,
       String clientName, EnumSetWritable<CreateFlag> flag,
       boolean createParent, short replication, long blockSize,
-      CryptoProtocolVersion[] supportedVersions, String ecPolicyName)
+      CryptoProtocolVersion[] supportedVersions, String ecPolicyName,
+      String storagePolicy)
       throws IOException {
     checkNNStartup();
     String clientMachine = getClientMachine();
@@ -804,7 +805,7 @@ public HdfsFileStatus create(String src, FsPermission masked,
           .getShortUserName(), null, masked);
       status = namesystem.startFile(src, perm, clientName, clientMachine,
           flag.get(), createParent, replication, blockSize, supportedVersions,
-          ecPolicyName, cacheEntry != null);
+          ecPolicyName, storagePolicy, cacheEntry != null);
     } finally {
       RetryCache.setState(cacheEntry, status != null, status);
     }

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

@@ -2137,7 +2137,7 @@ public static void createStripedFile(MiniDFSCluster cluster, Path file,
         .create(file.toString(), new FsPermission((short)0755),
         dfs.getClient().getClientName(),
         new EnumSetWritable<>(EnumSet.of(CreateFlag.CREATE)),
-        false, (short)1, 128*1024*1024L, null, null);
+            false, (short) 1, 128 * 1024 * 1024L, null, null, null);
 
     FSNamesystem ns = cluster.getNamesystem();
     FSDirectory fsdir = ns.getFSDirectory();

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

@@ -276,7 +276,7 @@ public Object answer(InvocationOnMock invocation)
           .build())
         .when(mockNN)
         .create(anyString(), any(), anyString(), any(), anyBoolean(),
-            anyShort(), anyLong(), any(), any());
+            anyShort(), anyLong(), any(), any(), any());
 
     final DFSClient client = new DFSClient(null, mockNN, conf, null);
     OutputStream os = client.create("testfile", true);

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

@@ -1449,7 +1449,46 @@ public void testFileCloseStatus() throws IOException {
       cluster.shutdown();
     }
   }
-  
+
+  @Test
+  public void testCreateWithStoragePolicy() throws Throwable {
+    Configuration conf = new HdfsConfiguration();
+    try (MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf)
+        .storageTypes(
+            new StorageType[] {StorageType.DISK, StorageType.ARCHIVE,
+                StorageType.SSD}).storagesPerDatanode(3).build()) {
+      DistributedFileSystem fs = cluster.getFileSystem();
+      Path file1 = new Path("/tmp/file1");
+      Path file2 = new Path("/tmp/file2");
+      fs.mkdirs(new Path("/tmp"));
+      fs.setStoragePolicy(new Path("/tmp"), "ALL_SSD");
+      FSDataOutputStream outputStream = fs.createFile(file1)
+          .storagePolicyName("COLD").build();
+      outputStream.write(1);
+      outputStream.close();
+      assertEquals(StorageType.ARCHIVE, DFSTestUtil.getAllBlocks(fs, file1)
+          .get(0).getStorageTypes()[0]);
+      assertEquals(fs.getStoragePolicy(file1).getName(), "COLD");
+
+      // Check with storage policy not specified.
+      outputStream = fs.createFile(file2).build();
+      outputStream.write(1);
+      outputStream.close();
+      assertEquals(StorageType.SSD, DFSTestUtil.getAllBlocks(fs, file2).get(0)
+          .getStorageTypes()[0]);
+      assertEquals(fs.getStoragePolicy(file2).getName(), "ALL_SSD");
+
+      // Check with default storage policy.
+      outputStream = fs.createFile(new Path("/default")).build();
+      outputStream.write(1);
+      outputStream.close();
+      assertEquals(StorageType.DISK,
+          DFSTestUtil.getAllBlocks(fs, new Path("/default")).get(0)
+              .getStorageTypes()[0]);
+      assertEquals(fs.getStoragePolicy(new Path("/default")).getName(), "HOT");
+    }
+  }
+
   @Test(timeout=60000)
   public void testListFiles() throws IOException {
     Configuration conf = new HdfsConfiguration();

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

@@ -963,7 +963,7 @@ private static void mockCreate(ClientProtocol mcp,
           .build())
         .when(mcp)
         .create(anyString(), any(), anyString(), any(), anyBoolean(),
-            anyShort(), anyLong(), any(), any());
+            anyShort(), anyLong(), any(), any(), any());
   }
 
   // This test only uses mocks. Called from the end of an existing test to

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

@@ -1246,7 +1246,7 @@ private void doCreateTest(CreationMethod method) throws Exception {
           try {
             nnrpc.create(pathStr, new FsPermission((short)0755), "client",
                 new EnumSetWritable<CreateFlag>(EnumSet.of(CreateFlag.CREATE)),
-                true, (short)1, 128*1024*1024L, null, null);
+                true, (short) 1, 128 * 1024 * 1024L, null, null, null);
             fail("Should have thrown exception when creating '"
                 + pathStr + "'" + " by " + method);
           } catch (InvalidPathException ipe) {

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

@@ -372,7 +372,7 @@ public void testFactory() throws Exception {
           .build())
         .when(mcp)
         .create(anyString(), any(), anyString(),
-            any(), anyBoolean(), anyShort(), anyLong(), any(), any());
+            any(), anyBoolean(), anyShort(), anyLong(), any(), any(), any());
 
     final Configuration conf = new Configuration();
     final DFSClient c1 = createDFSClientAs(ugi[0], conf);

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/NNThroughputBenchmark.java

@@ -593,7 +593,8 @@ long executeOp(int daemonId, int inputIdx, String clientName)
           FsPermission.getDefault(), clientName,
           new EnumSetWritable<CreateFlag>(EnumSet
               .of(CreateFlag.CREATE, CreateFlag.OVERWRITE)), true,
-          replication, BLOCK_SIZE, CryptoProtocolVersion.supported(), null);
+          replication, BLOCK_SIZE, CryptoProtocolVersion.supported(), null,
+          null);
       long end = Time.now();
       for (boolean written = !closeUponCreate; !written;
         written = clientProto.complete(fileNames[daemonId][inputIdx],
@@ -1143,7 +1144,7 @@ void generateInputs(int[] ignore) throws IOException {
         String fileName = nameGenerator.getNextFileName("ThroughputBench");
         clientProto.create(fileName, FsPermission.getDefault(), clientName,
             new EnumSetWritable<CreateFlag>(EnumSet.of(CreateFlag.CREATE, CreateFlag.OVERWRITE)), true, replication,
-            BLOCK_SIZE, CryptoProtocolVersion.supported(), null);
+            BLOCK_SIZE, CryptoProtocolVersion.supported(), null, null);
         ExtendedBlock lastBlock = addBlocks(fileName, clientName);
         clientProto.complete(fileName, clientName, lastBlock, HdfsConstants.GRANDFATHER_INODE_ID);
       }

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestAddBlockRetry.java

@@ -86,7 +86,7 @@ public void testRetryAddBlockWhileInChooseTarget() throws Exception {
     nn.create(src, FsPermission.getFileDefault(),
         "clientName",
         new EnumSetWritable<CreateFlag>(EnumSet.of(CreateFlag.CREATE)),
-        true, (short)3, 1024, null, null);
+        true, (short) 3, 1024, null, null, null);
 
     // start first addBlock()
     LOG.info("Starting first addBlock for " + src);
@@ -158,7 +158,7 @@ public void testAddBlockRetryShouldReturnBlockWithLocations()
     // create file
     nameNodeRpc.create(src, FsPermission.getFileDefault(), "clientName",
         new EnumSetWritable<CreateFlag>(EnumSet.of(CreateFlag.CREATE)), true,
-        (short) 3, 1024, null, null);
+        (short) 3, 1024, null, null, null);
     // start first addBlock()
     LOG.info("Starting first addBlock for " + src);
     LocatedBlock lb1 = nameNodeRpc.addBlock(src, "clientName", null, null,

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestBlockPlacementPolicyRackFaultTolerant.java

@@ -109,7 +109,7 @@ private void doTestChooseTargetNormalCase() throws Exception {
         // Create the file with client machine
         HdfsFileStatus fileStatus = namesystem.startFile(src, perm,
             clientMachine, clientMachine, EnumSet.of(CreateFlag.CREATE), true,
-            replication, DEFAULT_BLOCK_SIZE, null, null, false);
+            replication, DEFAULT_BLOCK_SIZE, null, null, null, false);
 
         //test chooseTarget for new file
         LocatedBlock locatedBlock = nameNodeRpc.addBlock(src, clientMachine,
@@ -139,7 +139,7 @@ private void doTestChooseTargetSpecialCase() throws Exception {
     // Create the file with client machine
     HdfsFileStatus fileStatus = namesystem.startFile(src, perm,
         clientMachine, clientMachine, EnumSet.of(CreateFlag.CREATE), true,
-        (short) 20, DEFAULT_BLOCK_SIZE, null, null, false);
+        (short) 20, DEFAULT_BLOCK_SIZE, null, null, null, false);
 
     //test chooseTarget for new file
     LocatedBlock locatedBlock = nameNodeRpc.addBlock(src, clientMachine,

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestDefaultBlockPlacementPolicy.java

@@ -131,7 +131,7 @@ public void testPlacementWithDFSNetworkTopology() throws Exception {
     // Create the file with client machine
     HdfsFileStatus fileStatus = namesystem.startFile(src, perm, clientMachine,
         clientMachine, EnumSet.of(CreateFlag.CREATE), true, REPLICATION_FACTOR,
-        DEFAULT_BLOCK_SIZE, null, null, false);
+        DEFAULT_BLOCK_SIZE, null, null, null, false);
     LocatedBlock locatedBlock = nameNodeRpc.addBlock(src, clientMachine, null,
         null, fileStatus.getFileId(), null, null);
 
@@ -184,7 +184,7 @@ private void testPlacement(String clientMachine,
       // Create the file with client machine
       HdfsFileStatus fileStatus = namesystem.startFile(src, perm,
           clientMachine, clientMachine, EnumSet.of(CreateFlag.CREATE), true,
-          REPLICATION_FACTOR, DEFAULT_BLOCK_SIZE, null, null, false);
+          REPLICATION_FACTOR, DEFAULT_BLOCK_SIZE, null, null, null, false);
       LocatedBlock locatedBlock = nameNodeRpc.addBlock(src, clientMachine,
           null, null, fileStatus.getFileId(), null, null);
 

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestNamenodeRetryCache.java

@@ -232,19 +232,19 @@ public void testCreate() throws Exception {
     newCall();
     HdfsFileStatus status = nnRpc.create(src, perm, "holder",
         new EnumSetWritable<CreateFlag>(EnumSet.of(CreateFlag.CREATE)), true,
-        (short) 1, BlockSize, null, null);
+        (short) 1, BlockSize, null, null, null);
     Assert.assertEquals(status, nnRpc.create(src, perm, "holder",
         new EnumSetWritable<CreateFlag>(EnumSet.of(CreateFlag.CREATE)), true,
-        (short) 1, BlockSize, null, null));
+        (short) 1, BlockSize, null, null, null));
     Assert.assertEquals(status, nnRpc.create(src, perm, "holder",
         new EnumSetWritable<CreateFlag>(EnumSet.of(CreateFlag.CREATE)), true,
-        (short) 1, BlockSize, null, null));
+        (short) 1, BlockSize, null, null, null));
     // A non-retried call fails
     newCall();
     try {
       nnRpc.create(src, perm, "holder",
           new EnumSetWritable<CreateFlag>(EnumSet.of(CreateFlag.CREATE)),
-          true, (short) 1, BlockSize, null, null);
+          true, (short) 1, BlockSize, null, null, null);
       Assert.fail("testCreate - expected exception is not thrown");
     } catch (IOException e) {
       // expected

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestRetryCacheWithHA.java

@@ -414,7 +414,7 @@ void invoke() throws Exception {
           new EnumSetWritable<CreateFlag>(createFlag), false, DataNodes,
           BlockSize,
           new CryptoProtocolVersion[] {CryptoProtocolVersion.ENCRYPTION_ZONES},
-          null);
+          null, null);
     }
 
     @Override