From b3c01e9864b888d8b410eaf3ddc664ed22b231ae Mon Sep 17 00:00:00 2001
From: Christoph von Wittich <christoph_vw@reactos.org>
Date: Fri, 13 Feb 2009 11:48:06 +0000
Subject: [PATCH] -use ExAllocatePoolWithTag/ExFreePoolWithTag -set FileObject
 to readonly -register the filesystem as low priority

svn path=/trunk/; revision=39579
---
 reactos/drivers/filesystems/cdfs/cdfs.c   | 2 ++
 reactos/drivers/filesystems/cdfs/close.c  | 4 ++--
 reactos/drivers/filesystems/cdfs/dirctl.c | 4 ++--
 reactos/drivers/filesystems/cdfs/fcb.c    | 3 +++
 reactos/drivers/filesystems/cdfs/fsctl.c  | 3 +++
 5 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/reactos/drivers/filesystems/cdfs/cdfs.c b/reactos/drivers/filesystems/cdfs/cdfs.c
index b3e0b628ba2..9d325e948c7 100644
--- a/reactos/drivers/filesystems/cdfs/cdfs.c
+++ b/reactos/drivers/filesystems/cdfs/cdfs.c
@@ -104,6 +104,8 @@ DriverEntry(PDRIVER_OBJECT DriverObject,
     CdfsGlobalData->CacheMgrCallbacks.AcquireForReadAhead = CdfsAcquireForLazyWrite;
     CdfsGlobalData->CacheMgrCallbacks.ReleaseFromReadAhead = CdfsReleaseFromLazyWrite;
 
+    DeviceObject->Flags |= DO_LOW_PRIORITY_FILESYSTEM;
+
     IoRegisterFileSystem(DeviceObject);
     DeviceObject->Flags &= ~DO_DEVICE_INITIALIZING;
 
diff --git a/reactos/drivers/filesystems/cdfs/close.c b/reactos/drivers/filesystems/cdfs/close.c
index 7269f6e7753..c9de6923a2c 100644
--- a/reactos/drivers/filesystems/cdfs/close.c
+++ b/reactos/drivers/filesystems/cdfs/close.c
@@ -68,9 +68,9 @@ CdfsCloseFile(PDEVICE_EXTENSION DeviceExt,
 
     if (Ccb->DirectorySearchPattern.Buffer)
     {
-        ExFreePool(Ccb->DirectorySearchPattern.Buffer);
+        ExFreePoolWithTag(Ccb->DirectorySearchPattern.Buffer, TAG_CCB);
     }
-    ExFreePool(Ccb);
+    ExFreePoolWithTag(Ccb, TAG_CCB);
 
     return(STATUS_SUCCESS);
 }
diff --git a/reactos/drivers/filesystems/cdfs/dirctl.c b/reactos/drivers/filesystems/cdfs/dirctl.c
index a670fe80d01..03f36afc9f4 100644
--- a/reactos/drivers/filesystems/cdfs/dirctl.c
+++ b/reactos/drivers/filesystems/cdfs/dirctl.c
@@ -590,7 +590,7 @@ CdfsQueryDirectory(PDEVICE_OBJECT DeviceObject,
         {
             First = TRUE;
             Ccb->DirectorySearchPattern.Buffer =
-                ExAllocatePool(NonPagedPool, SearchPattern->Length + sizeof(WCHAR));
+                ExAllocatePoolWithTag(NonPagedPool, SearchPattern->Length + sizeof(WCHAR), TAG_CCB);
             if (Ccb->DirectorySearchPattern.Buffer == NULL)
             {
                 return STATUS_INSUFFICIENT_RESOURCES;
@@ -608,7 +608,7 @@ CdfsQueryDirectory(PDEVICE_OBJECT DeviceObject,
     else if (Ccb->DirectorySearchPattern.Buffer == NULL)
     {
         First = TRUE;
-        Ccb->DirectorySearchPattern.Buffer = ExAllocatePool(NonPagedPool, 2 * sizeof(WCHAR));
+        Ccb->DirectorySearchPattern.Buffer = ExAllocatePoolWithTag(NonPagedPool, 2 * sizeof(WCHAR), TAG_CCB);
         if (Ccb->DirectorySearchPattern.Buffer == NULL)
         {
             return STATUS_INSUFFICIENT_RESOURCES;
diff --git a/reactos/drivers/filesystems/cdfs/fcb.c b/reactos/drivers/filesystems/cdfs/fcb.c
index afc2beac4f4..7fa13ca8f32 100644
--- a/reactos/drivers/filesystems/cdfs/fcb.c
+++ b/reactos/drivers/filesystems/cdfs/fcb.c
@@ -246,6 +246,9 @@ CdfsFCBInitializeCache(PVCB Vcb,
     RtlZeroMemory(newCCB,
         sizeof(CCB));
 
+    FileObject->ReadAccess = TRUE;
+    FileObject->WriteAccess = FALSE;
+    FileObject->DeleteAccess = FALSE;
     FileObject->SectionObjectPointer = &Fcb->SectionObjectPointers;
     FileObject->FsContext = Fcb;
     FileObject->FsContext2 = newCCB;
diff --git a/reactos/drivers/filesystems/cdfs/fsctl.c b/reactos/drivers/filesystems/cdfs/fsctl.c
index 01ecd9ca947..c7c6ac0c914 100644
--- a/reactos/drivers/filesystems/cdfs/fsctl.c
+++ b/reactos/drivers/filesystems/cdfs/fsctl.c
@@ -385,6 +385,9 @@ CdfsMountVolume(PDEVICE_OBJECT DeviceObject,
     RtlZeroMemory(Ccb,
         sizeof(CCB));
 
+    DeviceExt->StreamFileObject->ReadAccess = TRUE;
+    DeviceExt->StreamFileObject->WriteAccess = FALSE;
+    DeviceExt->StreamFileObject->DeleteAccess = FALSE;
     DeviceExt->StreamFileObject->FsContext = Fcb;
     DeviceExt->StreamFileObject->FsContext2 = Ccb;
     DeviceExt->StreamFileObject->SectionObjectPointer = &Fcb->SectionObjectPointers;