HDFS-16802.Print options when accessing ClientProtocol#rename2(). (#5013)

Reviewed-by: Tao Li <tomscut@apache.org>
Reviewed-by: Wei-Chiu Chuang <weichiu@apache.org>
Signed-off-by: Zander Xu <zanderxu@apache.org>

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

@@ -248,8 +248,8 @@ class FSDirRenameOp {
     String src = srcArg;
     String dst = dstArg;
     if (NameNode.stateChangeLog.isDebugEnabled()) {
-      NameNode.stateChangeLog.debug("DIR* NameSystem.renameTo: with options -" +
-          " " + src + " to " + dst);
+      NameNode.stateChangeLog.debug("DIR* NameSystem.renameTo: with options={} {} to {}",
+          Arrays.toString(options), src, dst);
     }
 
     BlocksMapUpdateInfo collectedBlocks = new BlocksMapUpdateInfo();