From 945450876abba9ee45d08c9aeb6866b00fb16bba Mon Sep 17 00:00:00 2001
From: Hartmut Birr <osexpert@googlemail.com>
Date: Thu, 30 Jan 2003 18:28:10 +0000
Subject: [PATCH] Write back dirty pages from cache manager at shutdown.

svn path=/trunk/; revision=4085
---
 reactos/ntoskrnl/ex/power.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/reactos/ntoskrnl/ex/power.c b/reactos/ntoskrnl/ex/power.c
index 34c63a657e8..5b57a97b686 100644
--- a/reactos/ntoskrnl/ex/power.c
+++ b/reactos/ntoskrnl/ex/power.c
@@ -17,6 +17,7 @@
 #include <internal/io.h>
 #include <internal/mm.h>
 #include <internal/po.h>
+#include <internal/cc.h>
 
 #include <internal/debug.h>
 
@@ -34,12 +35,19 @@ NtSetSystemPowerState(IN POWER_ACTION SystemAction,
 NTSTATUS STDCALL 
 NtShutdownSystem(IN SHUTDOWN_ACTION Action)
 {
+   ULONG Count;
    if (Action > ShutdownPowerOff)
      return STATUS_INVALID_PARAMETER;
 
    IoShutdownRegisteredDevices();
    CmShutdownRegistry();
    IoShutdownRegisteredFileSystems();
+   /* FIXME: IoShutdownRegisteredFileSystems should unmount the filesystems and
+             this writes back all modified data. This doesn't work at the moment. */
+   CcRosFlushDirtyPages(0xFFFFFFFF, &Count);
+   CcRosFlushDirtyPages(0xFFFFFFFF, &Count);
+   CcRosFlushDirtyPages(0xFFFFFFFF, &Count);
+
    PiShutdownProcessManager();
    MiShutdownMemoryManager();