diff --git a/LICENSE.txt b/LICENSE.txt
index ee9dfa8eda..f339a70964 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -320,3 +320,27 @@ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+For hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/fuse-dfs/util/tree.h
+---------------------------------------------------------------------
+Copyright 2002 Niels Provos <provos@citi.umich.edu>
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/hadoop-hdfs-project/hadoop-hdfs-native-client/pom.xml b/hadoop-hdfs-project/hadoop-hdfs-native-client/pom.xml
index 5632c48a01..12e6ec844c 100644
--- a/hadoop-hdfs-project/hadoop-hdfs-native-client/pom.xml
+++ b/hadoop-hdfs-project/hadoop-hdfs-native-client/pom.xml
@@ -65,6 +65,23 @@ http://maven.apache.org/xsd/maven-4.0.0.xsd">
     </dependency>
   </dependencies>
 
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.rat</groupId>
+        <artifactId>apache-rat-plugin</artifactId>
+        <configuration>
+          <excludes>
+            <exclude>src/main/native/*</exclude>
+            <exclude>src/main/native/config/*</exclude>
+            <exclude>src/main/native/m4/*</exclude>
+            <exclude>src/main/native/util/tree.h</exclude>
+            <exclude>src/contrib/**</exclude>
+          </excludes>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
   <profiles>
     <profile>
       <id>native-win</id>
diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
index 6dc949b46d..8988f48bdd 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
+++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
@@ -2010,6 +2010,8 @@ Release 2.8.0 - UNRELEASED
     HDFS-8941. DistributedFileSystem listCorruptFileBlocks API should
     resolve relative path. (Rakesh R via wang)
 
+    HDFS-9215. Suppress the RAT warnings in hdfs-native-client module. (wheat9)
+
 Release 2.7.2 - UNRELEASED
 
   INCOMPATIBLE CHANGES
diff --git a/hadoop-hdfs-project/hadoop-hdfs/pom.xml b/hadoop-hdfs-project/hadoop-hdfs/pom.xml
index 9cea46a599..016c2bfbd5 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/pom.xml
+++ b/hadoop-hdfs-project/hadoop-hdfs/pom.xml
@@ -376,16 +376,12 @@ http://maven.apache.org/xsd/maven-4.0.0.xsd">
             <exclude>dev-support/checkstyle*</exclude>
             <exclude>dev-support/jdiff/**</exclude>
             <exclude>dev-support/*tests</exclude>
-            <exclude>src/main/native/*</exclude>
-            <exclude>src/main/native/config/*</exclude>
-            <exclude>src/main/native/m4/*</exclude>
             <exclude>src/test/empty-file</exclude>
             <exclude>src/test/all-tests</exclude>
             <exclude>src/test/resources/*.tgz</exclude>
             <exclude>src/test/resources/data*</exclude>
             <exclude>src/test/resources/editsStored*</exclude>
             <exclude>src/test/resources/empty-file</exclude>
-            <exclude>src/main/native/util/tree.h</exclude>
             <exclude>src/test/aop/org/apache/hadoop/hdfs/server/datanode/DataXceiverAspects.aj</exclude>
             <exclude>src/main/webapps/datanode/robots.txt</exclude>
             <exclude>src/contrib/**</exclude>