Index: src/libchcore/TLocalFilesystem.cpp
===================================================================
diff -u -N -re4005a958c9412d890eeff1e8087c8298aa7bcf7 -rcdc76e1a95383dff63a5254aeb8d37035028512c
--- src/libchcore/TLocalFilesystem.cpp	(.../TLocalFilesystem.cpp)	(revision e4005a958c9412d890eeff1e8087c8298aa7bcf7)
+++ src/libchcore/TLocalFilesystem.cpp	(.../TLocalFilesystem.cpp)	(revision cdc76e1a95383dff63a5254aeb8d37035028512c)
@@ -26,7 +26,6 @@
 #include <boost/numeric/conversion/cast.hpp>
 #include "TAutoHandles.h"
 #include "TFileInfo.h"
-#include "DataBuffer.h"
 // disable "warning C4201: nonstandard extension used : nameless struct/union"
 // for standard VS2008 with SDK 6.0A where winioctl.h generates some warnings
 // converted to errors by the project settings.
@@ -41,9 +40,13 @@
 #include "TOverlappedDataBuffer.h"
 #include "RoundingFunctions.h"
 #include <atltrace.h>
+#include "TBufferSizes.h"
 
 BEGIN_CHCORE_NAMESPACE
 
+// compile-time check - ensure the buffer granularity used for transfers are bigger than expected sector size
+static_assert(TLocalFilesystemFile::MaxSectorSize <= TBufferSizes::BufferGranularity, "Buffer granularity must be equal to or bigger than the max sector size");
+
 UINT TLocalFilesystem::GetDriveData(const TSmartPath& spPath)
 {
 	UINT uiDrvType = DRIVE_UNKNOWN;