Pass totalLength to DiskWriter::openExistingFile

src/AbstractSingleDiskAdaptor.cc

@@ -48,7 +48,7 @@ void AbstractSingleDiskAdaptor::closeFile() {
 }
 
 void AbstractSingleDiskAdaptor::openExistingFile() {
-  diskWriter->openExistingFile(getFilePath());
+  diskWriter->openExistingFile(getFilePath(), totalLength);
 }
 
 void AbstractSingleDiskAdaptor::writeData(const unsigned char* data, int32_t len, int64_t offset) {

src/MultiDiskAdaptor.h

@@ -68,7 +68,7 @@ public:
 
   void openExistingFile(const string& topDir)
   {
-    diskWriter->openExistingFile(getFilePath(topDir));
+    diskWriter->openExistingFile(getFilePath(topDir), fileEntry->getLength());
   }
 
   void closeFile()