HDFS-15462. Add fs.viewfs.overload.scheme.target.ofs.impl to core-default.xml (#2131)

(cherry picked from commit 0e694b20b9d59cc46882df506dcea386020b1e4d)

hadoop-common-project/hadoop-common/src/main/resources/core-default.xml

@@ -923,6 +923,14 @@
    child file system and ViewFSOverloadScheme's schemes are s3a.</description>
 </property>
 
+<property>
+  <name>fs.viewfs.overload.scheme.target.ofs.impl</name>
+  <value>org.apache.hadoop.fs.ozone.RootedOzoneFileSystem</value>
+  <description>The RootedOzoneFileSystem for view file system overload scheme
+    when child file system and ViewFSOverloadScheme's schemes are ofs.
+  </description>
+</property>
+
 <property>
   <name>fs.viewfs.overload.scheme.target.o3fs.impl</name>
   <value>org.apache.hadoop.fs.ozone.OzoneFileSystem</value>

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/conf/TestCommonConfigurationFields.java

@@ -126,6 +126,7 @@ public class TestCommonConfigurationFields extends TestConfigurationFieldsBase {
     xmlPropsToSkipCompare.add("fs.viewfs.overload.scheme.target.hdfs.impl");
     xmlPropsToSkipCompare.add("fs.viewfs.overload.scheme.target.http.impl");
     xmlPropsToSkipCompare.add("fs.viewfs.overload.scheme.target.https.impl");
+    xmlPropsToSkipCompare.add("fs.viewfs.overload.scheme.target.ofs.impl");
     xmlPropsToSkipCompare.add("fs.viewfs.overload.scheme.target.o3fs.impl");
     xmlPropsToSkipCompare.add("fs.viewfs.overload.scheme.target.oss.impl");
     xmlPropsToSkipCompare.add("fs.viewfs.overload.scheme.target.s3a.impl");