1 files changed, 24 insertions, 3 deletions
diff --git a/src/mongo/s/write_ops/batched_command_request.cpp b/src/mongo/s/write_ops/batched_command_request.cpp
index 185857d6acc..107f1a49204 100644
--- a/src/mongo/s/write_ops/batched_command_request.cpp
+++ b/src/mongo/s/write_ops/batched_command_request.cpp
@@ -38,6 +38,8 @@
 namespace mongo {
 namespace {
 
+const auto kWriteConcern = "writeConcern"_sd;
+
 template <class T>
 BatchedCommandRequest constructBatchedCommandRequest(const OpMsgRequest& request) {
     auto batchRequest = BatchedCommandRequest{T::parse(request)};
@@ -51,6 +53,11 @@ BatchedCommandRequest constructBatchedCommandRequest(const OpMsgRequest& request
         batchRequest.setShardVersion(shardVersion);
     }
 
+    auto writeConcernField = request.body[kWriteConcern];
+    if (!writeConcernField.eoo()) {
+        batchRequest.setWriteConcern(writeConcernField.Obj());
+    }
+
     // The 'isTimeseriesNamespace' is an internal parameter used for communication between mongos
     // and mongod.
     auto isTimeseriesNamespace =
@@ -166,9 +173,19 @@ const boost::optional<BSONObj>& BatchedCommandRequest::getLet() const {
     return _visit(Visitor{});
 };
 
-const OptionalBool& BatchedCommandRequest::getBypassEmptyTsReplacement() const {
-    return _visit([](auto&& op) -> decltype(auto) { return op.getBypassEmptyTsReplacement(); });
-};
+bool BatchedCommandRequest::isVerboseWC() const {
+    if (!hasWriteConcern()) {
+        return true;
+    }
+
+    BSONObj writeConcern = getWriteConcern();
+    BSONElement wElem = writeConcern["w"];
+    if (!wElem.isNumber() || wElem.Number() != 0) {
+        return true;
+    }
+
+    return false;
+}
 
 const write_ops::WriteCommandRequestBase& BatchedCommandRequest::getWriteCommandRequestBase()
     const {
@@ -189,6 +206,10 @@ void BatchedCommandRequest::serialize(BSONObjBuilder* builder) const {
     if (_dbVersion) {
         builder->append("databaseVersion", _dbVersion->toBSON());
     }
+
+    if (_writeConcern) {
+        builder->append(kWriteConcern, *_writeConcern);
+    }
 }
 
 BSONObj BatchedCommandRequest::toBSON() const {