From c5caa4ae8906be46f72fac7df6977cc422be1be3 Mon Sep 17 00:00:00 2001
From: Pierre Schweitzer <pierre@reactos.org>
Date: Sat, 8 Mar 2008 13:17:48 +0000
Subject: [PATCH] Added stubs for CC R/W functions (fixes TODO from r32610)

svn path=/trunk/; revision=32611
---
 reactos/drivers/filesystems/ntfs/fastio.c    | 64 ++++++++++++++++++++
 reactos/drivers/filesystems/ntfs/fcb.c       |  4 +-
 reactos/drivers/filesystems/ntfs/fsctl.c     |  4 +-
 reactos/drivers/filesystems/ntfs/ntfs.c      |  7 +++
 reactos/drivers/filesystems/ntfs/ntfs.h      | 16 +++++
 reactos/drivers/filesystems/ntfs/ntfs.rbuild |  1 +
 6 files changed, 92 insertions(+), 4 deletions(-)
 create mode 100644 reactos/drivers/filesystems/ntfs/fastio.c

diff --git a/reactos/drivers/filesystems/ntfs/fastio.c b/reactos/drivers/filesystems/ntfs/fastio.c
new file mode 100644
index 00000000000..230b305bfc1
--- /dev/null
+++ b/reactos/drivers/filesystems/ntfs/fastio.c
@@ -0,0 +1,64 @@
+/*
+ *  ReactOS kernel
+ *  Copyright (C) 2002 ReactOS Team
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * COPYRIGHT:        See COPYING in the top level directory
+ * PROJECT:          ReactOS kernel
+ * FILE:             drivers/filesystem/ntfs/fastio.c
+ * PURPOSE:          NTFS filesystem driver
+ * PROGRAMMER:       Pierre Schweitzer       
+ */
+
+/* INCLUDES *****************************************************************/
+
+#include <ntddk.h>
+
+#define NDEBUG
+#include <debug.h>
+
+#include "ntfs.h"
+
+
+/* FUNCTIONS ****************************************************************/
+
+BOOLEAN NTAPI
+NtfsAcqLazyWrite(PVOID Context,
+                 BOOLEAN Wait)
+{
+  UNIMPLEMENTED;
+  return FALSE;
+}
+
+VOID NTAPI
+NtfsRelLazyWrite(PVOID Context)
+{
+  UNIMPLEMENTED;
+}
+
+BOOLEAN NTAPI
+NtfsAcqReadAhead(PVOID Context,
+                 BOOLEAN Wait)
+{
+  UNIMPLEMENTED;
+  return FALSE;
+}
+
+VOID NTAPI
+NtfsRelReadAhead(PVOID Context)
+{
+  UNIMPLEMENTED;
+}
diff --git a/reactos/drivers/filesystems/ntfs/fcb.c b/reactos/drivers/filesystems/ntfs/fcb.c
index 17520ecbcf3..516ac897244 100644
--- a/reactos/drivers/filesystems/ntfs/fcb.c
+++ b/reactos/drivers/filesystems/ntfs/fcb.c
@@ -243,8 +243,8 @@ NtfsFCBInitializeCache(PVCB Vcb,
   CcInitializeCacheMap(FileObject,
                        (PCC_FILE_SIZES)(&Fcb->RFCB.AllocationSize),
                        FALSE,
-                       NULL,
-                       NULL);
+                       &(NtfsGlobalData->CacheMgrCallbacks),
+                       Fcb);
 
   ObDereferenceObject(FileObject);
   Fcb->Flags |= FCB_CACHE_INITIALIZED;
diff --git a/reactos/drivers/filesystems/ntfs/fsctl.c b/reactos/drivers/filesystems/ntfs/fsctl.c
index 8519307c9d6..d4eab5d2a97 100644
--- a/reactos/drivers/filesystems/ntfs/fsctl.c
+++ b/reactos/drivers/filesystems/ntfs/fsctl.c
@@ -404,8 +404,8 @@ NtfsMountVolume(PDEVICE_OBJECT DeviceObject,
   CcInitializeCacheMap(DeviceExt->StreamFileObject,
                        (PCC_FILE_SIZES)(&Fcb->RFCB.AllocationSize),
                        FALSE,
-                       NULL,
-                       NULL);
+                       &(NtfsGlobalData->CacheMgrCallbacks),
+                       Fcb);
 
   ExInitializeResourceLite(&DeviceExt->DirResource);
 //  ExInitializeResourceLite(&DeviceExt->FatResource);
diff --git a/reactos/drivers/filesystems/ntfs/ntfs.c b/reactos/drivers/filesystems/ntfs/ntfs.c
index d449ec43a05..ce3cd6372ea 100644
--- a/reactos/drivers/filesystems/ntfs/ntfs.c
+++ b/reactos/drivers/filesystems/ntfs/ntfs.c
@@ -72,6 +72,13 @@ DriverEntry(PDRIVER_OBJECT DriverObject,
 
   /* Initialize IRP functions array */
   NtfsInitializeFunctionPointers(DriverObject);
+  
+  /* Initialize CC functions array */
+  NtfsGlobalData->CacheMgrCallbacks.AcquireForLazyWrite = NtfsAcqLazyWrite; 
+  NtfsGlobalData->CacheMgrCallbacks.ReleaseFromLazyWrite = NtfsRelLazyWrite; 
+  NtfsGlobalData->CacheMgrCallbacks.AcquireForReadAhead = NtfsAcqReadAhead; 
+  NtfsGlobalData->CacheMgrCallbacks.ReleaseFromReadAhead = NtfsRelReadAhead; 
+
   /* Driver can't be unloaded */
   DriverObject->DriverUnload = NULL;
 
diff --git a/reactos/drivers/filesystems/ntfs/ntfs.h b/reactos/drivers/filesystems/ntfs/ntfs.h
index 200edb648f7..cff4db578b2 100644
--- a/reactos/drivers/filesystems/ntfs/ntfs.h
+++ b/reactos/drivers/filesystems/ntfs/ntfs.h
@@ -166,6 +166,7 @@ typedef struct
   ERESOURCE      Resource;
   PDRIVER_OBJECT DriverObject;
   PDEVICE_OBJECT DeviceObject;
+  CACHE_MANAGER_CALLBACKS CacheMgrCallbacks;
   ULONG Flags;
 } NTFS_GLOBAL_DATA, *PNTFS_GLOBAL_DATA;
 
@@ -401,6 +402,21 @@ NTSTATUS NTAPI
 NtfsFsdDispatch(PDEVICE_OBJECT DeviceObject,
                 PIRP Irp);
 
+/* fastio.c */
+BOOLEAN NTAPI
+NtfsAcqLazyWrite(PVOID Context,
+                 BOOLEAN Wait);
+
+VOID NTAPI
+NtfsRelLazyWrite(PVOID Context);
+
+BOOLEAN NTAPI
+NtfsAcqReadAhead(PVOID Context,
+                 BOOLEAN Wait);
+
+VOID NTAPI
+NtfsRelReadAhead(PVOID Context);
+
 /* fcb.c */
 
 PFCB
diff --git a/reactos/drivers/filesystems/ntfs/ntfs.rbuild b/reactos/drivers/filesystems/ntfs/ntfs.rbuild
index 09d0d099a2c..76e974fb795 100644
--- a/reactos/drivers/filesystems/ntfs/ntfs.rbuild
+++ b/reactos/drivers/filesystems/ntfs/ntfs.rbuild
@@ -11,6 +11,7 @@
 	<file>create.c</file>
 	<file>dirctl.c</file>
 	<file>dispatch.c</file>
+	<file>fastio.c</file>
 	<file>fcb.c</file>
 	<file>finfo.c</file>
 	<file>fsctl.c</file>