3 files changed, 6 insertions, 6 deletions
diff --git a/src/mongo/bson/bsonobjbuilder.h b/src/mongo/bson/bsonobjbuilder.h
index a7860a45588..4dad20d270d 100644
--- a/src/mongo/bson/bsonobjbuilder.h
+++ b/src/mongo/bson/bsonobjbuilder.h
@@ -663,7 +663,7 @@ protected:
         // BufBuilder but do not own it ourselves, then we must call _done to write in the
         // length. Otherwise, we own this memory and its lifetime ends with us, therefore
         // we can elide the write.
-        return !_doneCalled && _b.buf() && _buf.getSize() == 0;
+        return !_doneCalled && _b.buf() && _buf.capacity() == 0;
     }
 
     // Must be called by derived class destructors.
diff --git a/src/mongo/bson/util/builder.h b/src/mongo/bson/util/builder.h
index ad0286afde7..70daf863547 100644
--- a/src/mongo/bson/util/builder.h
+++ b/src/mongo/bson/util/builder.h
@@ -387,15 +387,15 @@ public:
         str.copyTo(grow(len), includeEndingNull);
     }
 
-    /** @return length of current std::string */
+    /** Returns the length of data in the current buffer */
     int len() const {
         return l;
     }
     void setlen(int newLen) {
         l = newLen;
     }
-    /** @return size of the buffer */
-    int getSize() const {
+    /** Returns the capacity of the buffer */
+    int capacity() const {
         return _buf.capacity();
     }
 
diff --git a/src/mongo/db/index/index_build_interceptor.cpp b/src/mongo/db/index/index_build_interceptor.cpp
index 835441e7109..77d13478b30 100644
--- a/src/mongo/db/index/index_build_interceptor.cpp
+++ b/src/mongo/db/index/index_build_interceptor.cpp
@@ -483,7 +483,7 @@ Status IndexBuildInterceptor::sideWrite(OperationContext* opCtx,
         // from getBuffer().
         builder.reset();
         keyString.serialize(builder);
-        BSONBinData binData(builder.buf(), builder.getSize(), BinDataGeneral);
+        BSONBinData binData(builder.buf(), builder.len(), BinDataGeneral);
         toInsert.emplace_back(BSON("op" << (op == Op::kInsert ? "i" : "d") << "key" << binData));
     }
 
@@ -494,7 +494,7 @@ Status IndexBuildInterceptor::sideWrite(OperationContext* opCtx,
         for (const auto& keyString : multikeyMetadataKeys) {
             builder.reset();
             keyString.serialize(builder);
-            BSONBinData binData(builder.buf(), builder.getSize(), BinDataGeneral);
+            BSONBinData binData(builder.buf(), builder.len(), BinDataGeneral);
             toInsert.emplace_back(BSON("op"
                                        << "i"
                                        << "key" << binData));