From 2da20611cb7df617d4b69c1ddcb322c8b7250cf2 Mon Sep 17 00:00:00 2001
From: "Scott E. Graves" <scott.e.graves@gmail.com>
Date: Wed, 15 Mar 2017 02:32:34 -0500
Subject: [PATCH] More changes

---
 SiaDrive.Dokan.Api/SiaDokanDrive.cpp | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/SiaDrive.Dokan.Api/SiaDokanDrive.cpp b/SiaDrive.Dokan.Api/SiaDokanDrive.cpp
index da3631f..cddb3b6 100644
--- a/SiaDrive.Dokan.Api/SiaDokanDrive.cpp
+++ b/SiaDrive.Dokan.Api/SiaDokanDrive.cpp
@@ -837,6 +837,28 @@ private:
 		}
 	}
 
+
+	static NTSTATUS DOKAN_CALLBACK Sia_FlushFileBuffers(LPCWSTR FileName, PDOKAN_FILE_INFO DokanFileInfo) 
+	{
+		String filePath = StdConstructPath(GetCacheLocation(), FileName);
+		HANDLE handle = reinterpret_cast<HANDLE>(DokanFileInfo->Context);
+
+		if (!handle || handle == INVALID_HANDLE_VALUE) 
+		{
+			return STATUS_SUCCESS;
+		}
+
+		if (::FlushFileBuffers(handle)) 
+		{
+			return STATUS_SUCCESS;
+		}
+		else 
+		{
+			DWORD error = GetLastError();
+			return DokanNtStatusFromWin32(error);
+		}
+	}
+
 public:
 	static void Initialize(CSiaApi* siaApi, CSiaDriveConfig* siaDriveConfig)
 	{
@@ -851,7 +873,7 @@ public:
 		_dokanOps.FindFiles = Sia_FindFiles;
 		_dokanOps.FindFilesWithPattern = nullptr;
 		_dokanOps.FindStreams = nullptr;
-		_dokanOps.FlushFileBuffers = nullptr;
+		_dokanOps.FlushFileBuffers = Sia_FlushFileBuffers;
 		_dokanOps.GetDiskFreeSpaceW = Sia_GetDiskFreeSpaceW;
 		_dokanOps.GetFileInformation = Sia_GetFileInformation;
 		_dokanOps.GetFileSecurityW = nullptr;