Use READ_CONSISTENCY_UNSPECIFIED

Author: ivandika3

hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/helpers/ReadConsistency.java

@@ -69,7 +69,7 @@ public ReadConsistencyProto toProto() {
     case LOCAL_LEASE:
       return ReadConsistencyProto.LOCAL_LEASE;
     default:
-      return ReadConsistencyProto.UNSPECIFIED;
+      return ReadConsistencyProto.READ_CONSISTENCY_UNSPECIFIED;
     }
   }
 

hadoop-ozone/interface-client/src/main/proto/OmClientProtocol.proto

@@ -2360,7 +2360,7 @@ message DeleteObjectTaggingResponse {
 enum ReadConsistencyProto {
   // Unspecified consistency, the read consistency behavior is decided
   // by the OM
-  UNSPECIFIED = 0;
+  READ_CONSISTENCY_UNSPECIFIED = 0;
   // Client sends all read requests to OM node that the client believes is the current leader.
   // If the OM node is not a leader, the OM node throws an exception so the client failover to the OM leader.
   // OM leader handles the request immediately without doing leadership check to verify

hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/ratis/OzoneManagerRatisServer.java

@@ -522,7 +522,7 @@ private RaftClientRequest createRaftRequestImpl(OMRequest omRequest, boolean isW
 
   private static RaftClientRequest.Type getRaftReadRequestType(OMRequest omRequest) {
     if (!omRequest.hasReadConsistencyHint() || !omRequest.getReadConsistencyHint().hasReadConsistency() ||
-        omRequest.getReadConsistencyHint().getReadConsistency() == ReadConsistencyProto.UNSPECIFIED) {
+        omRequest.getReadConsistencyHint().getReadConsistency() == ReadConsistencyProto.READ_CONSISTENCY_UNSPECIFIED) {
       // If there is no consistency hint, we simply follow the Raft server read option
       return RaftClientRequest.readRequestType();
     }

hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/protocolPB/OzoneManagerProtocolServerSideTranslatorPB.java

@@ -20,7 +20,7 @@
 import static org.apache.hadoop.ozone.om.ratis.OzoneManagerRatisServer.RaftServerStatus.LEADER_AND_READY;
 import static org.apache.hadoop.ozone.om.ratis.OzoneManagerRatisServer.RaftServerStatus.NOT_LEADER;
 import static org.apache.hadoop.ozone.om.ratis.utils.OzoneManagerRatisUtils.createErrorResponse;
-import static org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.ReadConsistencyProto.UNSPECIFIED;
+import static org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.ReadConsistencyProto.READ_CONSISTENCY_UNSPECIFIED;
 import static org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.Type.PrepareStatus;
 import static org.apache.hadoop.ozone.util.MetricUtil.captureLatencyNs;
 
@@ -230,7 +230,7 @@ private OMResponse submitReadRequestToOM(OMRequest request)
     }
 
     if (!request.hasReadConsistencyHint() || !request.getReadConsistencyHint().hasReadConsistency() ||
-        request.getReadConsistencyHint().getReadConsistency() == UNSPECIFIED) {
+        request.getReadConsistencyHint().getReadConsistency() == READ_CONSISTENCY_UNSPECIFIED) {
       return submitReadRequestToOmWithoutHint(request);
     } else {
       // If read consistency hint is specified, we should try to respect it although