HDFS-8532. Make the visibility of DFSOutputStream#streamer member variable to private. Contributed by Rakesh R.

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

@@ -597,6 +597,9 @@ Release 2.8.0 - UNRELEASED
     HDFS-8513. Rename BlockPlacementPolicyRackFaultTolarent to
     BlockPlacementPolicyRackFaultTolerant. (wang)
 
+    HDFS-8532. Make the visibility of DFSOutputStream#streamer member variable
+    to private. (Rakesh R via wang)
+
   OPTIMIZATIONS
 
     HDFS-8026. Trace FSOutputSummer#writeChecksumChunks rather than

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

@@ -107,7 +107,7 @@ public class DFSOutputStream extends FSOutputSummer
   protected final int bytesPerChecksum;
 
   protected DFSPacket currentPacket = null;
-  protected DataStreamer streamer;
+  private DataStreamer streamer;
   protected int packetSize = 0; // write packet size, not including the header.
   protected int chunksPerPacket = 0;
   protected long lastFlushOffset = 0; // offset when flush was invoked