Remove MemoryCardDriver::Flush. Flush in Unmount instead.

stepmania/src/arch/MemoryCard/MemoryCardDriver.h

@@ -81,7 +81,6 @@ public:
 	 * before any access to the device, and before TestWrite. */
 	virtual bool Mount( UsbStorageDevice* pDevice ) = 0;
 	virtual void Unmount( UsbStorageDevice* pDevice ) = 0;
-	virtual void Flush( UsbStorageDevice* pDevice ) = 0;
 
 	/* Poll for memory card changes.  If anything has changed, fill in vStorageDevicesOut
 	 * and return true. */

stepmania/src/arch/MemoryCard/MemoryCardDriverThreaded_Linux.cpp

@@ -308,16 +308,6 @@ void MemoryCardDriverThreaded_Linux::Unmount( UsbStorageDevice* pDevice )
 	ExecuteCommand( sCommand );
 }
 
-void MemoryCardDriverThreaded_Linux::Flush( UsbStorageDevice* pDevice )
-{
-	if( pDevice->sDevice.empty() )
-		return;
-	
-	// "sync" will only flush all file systems at the same time.  -Chris
-	// That's OK.
-	ExecuteCommand( "sync" );
-}
-
 /*
  * (c) 2003-2005 Chris Danford, Glenn Maynard
  * All rights reserved.

stepmania/src/arch/MemoryCard/MemoryCardDriverThreaded_Linux.h

@@ -9,7 +9,6 @@ public:
 	virtual bool DoOneUpdate( bool bMount, vector<UsbStorageDevice>& vStorageDevicesOut );
 	virtual bool Mount( UsbStorageDevice* pDevice );
 	virtual void Unmount( UsbStorageDevice* pDevice );
-	virtual void Flush( UsbStorageDevice* pDevice );
 
 protected:
 	void GetUSBStorageDevices( vector<UsbStorageDevice>& vDevicesOut );

stepmania/src/arch/MemoryCard/MemoryCardDriverThreaded_OSX.cpp

@@ -18,7 +18,7 @@ MemoryCardDriverThreaded_OSX::~MemoryCardDriverThreaded_OSX()
 	DarwinMCHelpers::Stop();
 }
 
-void MemoryCardDriverThreaded_OSX::Flush( UsbStorageDevice *pDevice )
+void MemoryCardDriverThreaded_OSX::Unmount( UsbStorageDevice *pDevice )
 {
 	if( pDevice->iRefNum == -1 )
 		return;

stepmania/src/arch/MemoryCard/MemoryCardDriverThreaded_OSX.h

@@ -9,8 +9,7 @@ public:
 	MemoryCardDriverThreaded_OSX();
 	~MemoryCardDriverThreaded_OSX();
 	bool Mount( UsbStorageDevice *pDevice ) { return true; }
-	void Unmount( UsbStorageDevice *pDevice ) { }
-	void Flush( UsbStorageDevice *pDevice );
+	void Unmount( UsbStorageDevice *pDevice );
 	
 protected:
 	bool USBStorageDevicesChanged();

stepmania/src/arch/MemoryCard/MemoryCardDriverThreaded_Windows.cpp

@@ -130,13 +130,6 @@ void MemoryCardDriverThreaded_Windows::Unmount( UsbStorageDevice* pDevice )
 	// nothing to do here...
 }
 
-void MemoryCardDriverThreaded_Windows::Flush( UsbStorageDevice* pDevice )
-{
-	// Do we need anything here?  I don't lose data if ejecting 
-	// soon after a write.  From the activity LED, it looks like 
-	// Windows flushes automatically every ~2 seconds. -Chris
-}
-
 /*
  * (c) 2003-2004 Chris Danford
  * All rights reserved.

stepmania/src/arch/MemoryCard/MemoryCardDriverThreaded_Windows.h

@@ -12,7 +12,6 @@ public:
 
 	virtual bool Mount( UsbStorageDevice* pDevice );
 	virtual void Unmount( UsbStorageDevice* pDevice );
-	virtual void Flush( UsbStorageDevice* pDevice );
 
 private:
 	void GetUSBStorageDevices( vector<UsbStorageDevice>& vDevicesOut );