From d34c276260d595e8b75aa5a31f882e5fe67d7457 Mon Sep 17 00:00:00 2001
From: Thomas Faber <thomas.faber@reactos.org>
Date: Sun, 17 Aug 2014 21:47:43 +0000
Subject: [PATCH] [NTOS:CC] - Use the passed-in file sizes in
 CcInitializeCacheMap

svn path=/trunk/; revision=63901
---
 reactos/ntoskrnl/cc/fs.c               |  1 +
 reactos/ntoskrnl/cc/view.c             | 10 +++-------
 reactos/ntoskrnl/include/internal/cc.h |  1 +
 3 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/reactos/ntoskrnl/cc/fs.c b/reactos/ntoskrnl/cc/fs.c
index 27f6455904c..b4c3b1d0d0d 100644
--- a/reactos/ntoskrnl/cc/fs.c
+++ b/reactos/ntoskrnl/cc/fs.c
@@ -87,6 +87,7 @@ CcInitializeCacheMap (
 
     /* Call old ROS cache init function */
     CcRosInitializeFileCache(FileObject,
+                             FileSizes,
                              CallBacks,
                              LazyWriterContext);
 }
diff --git a/reactos/ntoskrnl/cc/view.c b/reactos/ntoskrnl/cc/view.c
index 10bf34cb248..05544f9f69f 100644
--- a/reactos/ntoskrnl/cc/view.c
+++ b/reactos/ntoskrnl/cc/view.c
@@ -1187,6 +1187,7 @@ NTSTATUS
 NTAPI
 CcRosInitializeFileCache (
     PFILE_OBJECT FileObject,
+    PCC_FILE_SIZES FileSizes,
     PCACHE_MANAGER_CALLBACKS CallBacks,
     PVOID LazyWriterContext)
 /*
@@ -1216,13 +1217,8 @@ CcRosInitializeFileCache (
         SharedCacheMap->FileObject = FileObject;
         SharedCacheMap->Callbacks = CallBacks;
         SharedCacheMap->LazyWriteContext = LazyWriterContext;
-        if (FileObject->FsContext)
-        {
-            SharedCacheMap->SectionSize =
-                ((PFSRTL_COMMON_FCB_HEADER)FileObject->FsContext)->AllocationSize;
-            SharedCacheMap->FileSize =
-                ((PFSRTL_COMMON_FCB_HEADER)FileObject->FsContext)->FileSize;
-        }
+        SharedCacheMap->SectionSize = FileSizes->AllocationSize;
+        SharedCacheMap->FileSize = FileSizes->FileSize;
         KeInitializeSpinLock(&SharedCacheMap->CacheMapLock);
         InitializeListHead(&SharedCacheMap->CacheMapVacbListHead);
         FileObject->SectionObjectPointer->SharedCacheMap = SharedCacheMap;
diff --git a/reactos/ntoskrnl/include/internal/cc.h b/reactos/ntoskrnl/include/internal/cc.h
index 3e559f8888b..30c657d6dbc 100644
--- a/reactos/ntoskrnl/include/internal/cc.h
+++ b/reactos/ntoskrnl/include/internal/cc.h
@@ -287,6 +287,7 @@ NTSTATUS
 NTAPI
 CcRosInitializeFileCache(
     PFILE_OBJECT FileObject,
+    PCC_FILE_SIZES FileSizes,
     PCACHE_MANAGER_CALLBACKS CallBacks,
     PVOID LazyWriterContext
 );