Follow-up commit for HDFS-1620 since I missed some files.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1165103 13f79535-47bb-0310-9956-ffa450edef68

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/FSConstants.java → hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/HdfsConstants.java

@@ -26,9 +26,9 @@ import org.apache.hadoop.hdfs.HdfsConfiguration;
  * 
  ************************************/
 @InterfaceAudience.Private
-public final class FSConstants {
+public final class HdfsConstants {
   /* Hidden constructor */
-  private FSConstants() {
+  private HdfsConstants() {
   }
 
   public static int MIN_BLOCKS_FOR_WRITE = 5;

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/common/HdfsConstants.java → hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/common/HdfsServerConstants.java

@@ -29,9 +29,9 @@ import org.apache.hadoop.classification.InterfaceAudience;
  ************************************/
 
 @InterfaceAudience.Private
-public final class HdfsConstants {
+public final class HdfsServerConstants {
   /* Hidden constructor */
-  private HdfsConstants() { }
+  private HdfsServerConstants() { }
   
   /**
    * Type of the node