HDFS-6627. Rename DataNode#checkWriteAccess to checkReadAccess. Contributed by Liang Xie.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1608940 13f79535-47bb-0310-9956-ffa450edef68

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

@@ -272,6 +272,9 @@ Release 2.6.0 - UNRELEASED
     HDFS-6638. Shorten test run time with a smaller retry timeout setting.
     (Liang Xie via cnauroth)
 
+    HDFS-6627. Rename DataNode#checkWriteAccess to checkReadAccess.
+    (Liang Xie via cnauroth)
+
   OPTIMIZATIONS
 
   BUG FIXES

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

@@ -2299,11 +2299,11 @@ public class DataNode extends Configured
 
   @Override // ClientDataNodeProtocol
   public long getReplicaVisibleLength(final ExtendedBlock block) throws IOException {
-    checkWriteAccess(block);
+    checkReadAccess(block);
     return data.getReplicaVisibleLength(block);
   }
 
-  private void checkWriteAccess(final ExtendedBlock block) throws IOException {
+  private void checkReadAccess(final ExtendedBlock block) throws IOException {
     if (isBlockTokenEnabled) {
       Set<TokenIdentifier> tokenIds = UserGroupInformation.getCurrentUser()
           .getTokenIdentifiers();