only remount cards that were in use

stepmania/src/GameState.cpp

@@ -271,7 +271,7 @@ void GameState::PlayersFinalized()
 	}
 
 	if( PREFSMAN->m_bMemoryCardsMountOnlyWhenNecessary )
-		MEMCARDMAN->UnmountAllCards();
+		MEMCARDMAN->UnmountAllUsedCards();
 }
 
 /* This data is added to each player profile, and to the machine profile per-player. */
@@ -345,7 +345,7 @@ void GameState::EndGame()
 
 
 	if( PREFSMAN->m_bMemoryCardsMountOnlyWhenNecessary )
-		MEMCARDMAN->MountAllCards();
+		MEMCARDMAN->UnmountAllUsedCards();
 
 
 	BOOKKEEPER->WriteToDisk();

stepmania/src/MemoryCardManager.cpp

@@ -222,7 +222,7 @@ void MemoryCardManager::LockCards( bool bLock )
 		m_pDriver->SetMountThreadState( MemoryCardDriver::detect_and_mount );
 }
 
-void MemoryCardManager::MountAllCards()
+void MemoryCardManager::TryMountAllCards()
 {
 	FOREACH_PlayerNumber( p )
 	{
@@ -233,13 +233,30 @@ void MemoryCardManager::MountAllCards()
 	}
 }
 
-void MemoryCardManager::UnmountAllCards()
+void MemoryCardManager::MountAllUsedCards()
 {
 	FOREACH_PlayerNumber( p )
 	{
 		if( m_Device[p].IsBlank() )	// they don't have an assigned card
 			continue;
 		
+		if( m_bTooLate[p] || !m_Device[p].bWriteTestSucceeded )
+			continue;
+
+		m_pDriver->MountAndTestWrite(&m_Device[p], MEM_CARD_MOUNT_POINT[p]);
+	}
+}
+
+void MemoryCardManager::UnmountAllUsedCards()
+{
+	FOREACH_PlayerNumber( p )
+	{
+		if( m_Device[p].IsBlank() )	// they don't have an assigned card
+			continue;
+		
+		if( m_bTooLate[p] || !m_Device[p].bWriteTestSucceeded )
+			continue;
+
 		m_pDriver->Unmount(&m_Device[p], MEM_CARD_MOUNT_POINT[p]);
 	}
 }

stepmania/src/MemoryCardManager.h

@@ -27,8 +27,9 @@ public:
 //	CString GetOsMountDir( PlayerNumber pn );	// only valid when state = ready
 
 	void LockCards( bool bLock );	// prevent removing or changing of memory cards
-	void MountAllCards();
-	void UnmountAllCards();
+	void TryMountAllCards();
+	void MountAllUsedCards();
+	void UnmountAllUsedCards();
 	void MountCard( PlayerNumber pn );
 	void UnmountCard( PlayerNumber pn );
 	

stepmania/src/ScreenDownloadMachineStats.cpp

@@ -10,7 +10,7 @@
 
 static void SaveMachineStatsToFirstMemCard()
 {
-	MEMCARDMAN->MountAllCards();
+	MEMCARDMAN->TryMountAllCards();
 
 	FOREACH_PlayerNumber( pn )
 	{