[arty] 35858: Don't actually need all spew anymore. Keep a reference to the associated file object. MmGetDeviceObjectForFile was way more complicated than it needed to be, due to my wrong understanding of IoGetRelatedDeviceObject. VFAT read is now working.

Author: arty
Date: Mon Sep  1 09:27:00 2008
New Revision: 35858

URL: http://svn.reactos.org/svn/reactos?rev=35858&view=rev
Log:
Don't actually need all spew anymore.
Keep a reference to the associated file object.
MmGetDeviceObjectForFile was way more complicated than it needed to be, due
to my wrong understanding of IoGetRelatedDeviceObject.

VFAT read is now working.

Modified:
    branches/arty-newcc/ntoskrnl/cache/fssup.c
    branches/arty-newcc/ntoskrnl/cache/pinsup.c
    branches/arty-newcc/ntoskrnl/mm/section.c

Modified: branches/arty-newcc/ntoskrnl/cache/fssup.c
URL:
http://svn.reactos.org/svn/reactos/branches/arty-newcc/ntoskrnl/cache/fssup…
==============================================================================
--- branches/arty-newcc/ntoskrnl/cache/fssup.c [iso-8859-1] (original)
+++ branches/arty-newcc/ntoskrnl/cache/fssup.c [iso-8859-1] Mon Sep  1 09:27:00 2008
@@ -115,10 +115,10 @@
 	PNOCC_CACHE_MAP Map = ExAllocatePool(NonPagedPool, sizeof(NOCC_CACHE_MAP));
 	FileObject->SectionObjectPointer->SharedCacheMap = Map;
 	Map->RefCount = 1;
+	ObReferenceObject(FileObject);
 	Map->FileObject = FileObject;
 	Map->NumberOfMaps = 0;
 	Map->FileSizes = *FileSizes;
-	ASSERT(Map->FileSizes.ValidDataLength.HighPart != 0xcccccccc);
 	DPRINT("FileSizes->ValidDataLength %x\n",
FileSizes->ValidDataLength.LowPart);
 	InitializeListHead(&Map->AssociatedBcb);
     }
@@ -175,6 +175,8 @@
 	    }
 	}
 	
+	ObDereferenceObject(Map->FileObject);
+
 	ExFreePool(Map);
 	
 	/* Clear the cache map */

Modified: branches/arty-newcc/ntoskrnl/cache/pinsup.c
URL:
http://svn.reactos.org/svn/reactos/branches/arty-newcc/ntoskrnl/cache/pinsu…
==============================================================================
--- branches/arty-newcc/ntoskrnl/cache/pinsup.c [iso-8859-1] (original)
+++ branches/arty-newcc/ntoskrnl/cache/pinsup.c [iso-8859-1] Mon Sep  1 09:27:00 2008
@@ -10,7 +10,7 @@
 /* INCLUDES *******************************************************************/
 
 #include <ntoskrnl.h>
-//#define NDEBUG
+#define NDEBUG
 #include <debug.h>
 
 /* GLOBALS ********************************************************************/

Modified: branches/arty-newcc/ntoskrnl/mm/section.c
URL:
http://svn.reactos.org/svn/reactos/branches/arty-newcc/ntoskrnl/mm/section.…
==============================================================================
--- branches/arty-newcc/ntoskrnl/mm/section.c [iso-8859-1] (original)
+++ branches/arty-newcc/ntoskrnl/mm/section.c [iso-8859-1] Mon Sep  1 09:27:00 2008
@@ -45,7 +45,7 @@
 /* INCLUDES *****************************************************************/
 
 #include <ntoskrnl.h>
-//#define NDEBUG
+#define NDEBUG
 #include <internal/debug.h>
 #include <reactos/exeformat.h>
 
@@ -98,15 +98,7 @@
 NTAPI
 MmGetDeviceObjectForFile(IN PFILE_OBJECT FileObject)
 {
-    if (FileObject->Flags & (FO_DIRECT_DEVICE_OPEN | FO_STREAM_FILE))
-    {
-        /* Get the device object */
-        return IoGetAttachedDevice(FileObject->DeviceObject);
-    }
-    else
-    {
-	return IoGetRelatedDeviceObject(FileObject);
-    }
+    return IoGetRelatedDeviceObject(FileObject);
 }
 
 PFILE_OBJECT