2 files changed, 12 insertions, 0 deletions
diff --git a/src/mongo/bson/bsonobj.cpp b/src/mongo/bson/bsonobj.cpp
index 0149eeece7d..c462031bffd 100644
--- a/src/mongo/bson/bsonobj.cpp
+++ b/src/mongo/bson/bsonobj.cpp
@@ -129,6 +129,12 @@ BSONObj BSONObj::copy() const {
     return BSONObj(std::move(storage));
 }
 
+void BSONObj::makeOwned() {
+    if (!isOwned()) {
+        *this = copy();
+    }
+}
+
 BSONObj BSONObj::getOwned() const {
     if (isOwned())
         return *this;
diff --git a/src/mongo/bson/bsonobj.h b/src/mongo/bson/bsonobj.h
index 1a51b370678..a0088c8b70d 100644
--- a/src/mongo/bson/bsonobj.h
+++ b/src/mongo/bson/bsonobj.h
@@ -265,6 +265,12 @@ public:
     BSONObj copy() const;
 
     /**
+     * If the data buffer is not under the control of this BSONObj, allocate
+     * a separate copy and make this object a fully owned one.
+     */
+    void makeOwned();
+
+    /**
      * @return a new full (and owned) redacted copy of the object.
      */
     BSONObj redact(bool onlyEncryptedFields = false) const;