11 Feb
2008
11 Feb
'08
4:41 p.m.
Author: hpoussin
Date: Mon Feb 11 19:41:25 2008
New Revision: 32292
URL: http://svn.reactos.org/svn/reactos?rev=32292&view=rev
Log:
Fix ext2 recognizer compilation, but let it disabled atm
Modified:
trunk/reactos/drivers/filesystems/fs_rec/ext2.c
trunk/reactos/drivers/filesystems/fs_rec/fat.c
trunk/reactos/drivers/filesystems/fs_rec/fs_rec.c
trunk/reactos/drivers/filesystems/fs_rec/fs_rec.h
trunk/reactos/drivers/filesystems/fs_rec/fs_rec.rbuild
Modified: trunk/reactos/drivers/filesystems/fs_rec/ext2.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/fs_rec…
==============================================================================
--- trunk/reactos/drivers/filesystems/fs_rec/ext2.c (original)
+++ trunk/reactos/drivers/filesystems/fs_rec/ext2.c Mon Feb 11 19:41:25 2008
@@ -1,136 +1,107 @@
/*
- * ReactOS kernel
- * Copyright (C) 2002,2003 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.
- */
-/* $Id: fat.c 9284 2004-05-02 20:12:38Z hbirr $
- *
* COPYRIGHT: See COPYING in the top level directory
- * PROJECT: ReactOS kernel
- * FILE: drivers/fs/fs_rec/ext2.c (based on vfat.c)
- * PURPOSE: Filesystem recognizer driver
+ * PROJECT: ReactOS File System Recognizer
+ * FILE: drivers/filesystems/fs_rec/ext2.c
+ * PURPOSE: EXT2 Recognizer
* PROGRAMMER: Eric Kohl
*/
/* INCLUDES *****************************************************************/
-#include <ddk/ntddk.h>
-#include <rosrtl/string.h>
-
+#include "fs_rec.h"
#define NDEBUG
#include <debug.h>
-#include "fs_rec.h"
-
-
/* FUNCTIONS ****************************************************************/
-static NTSTATUS
-FsRecIsExt2Volume(IN PDEVICE_OBJECT DeviceObject)
+BOOLEAN
+NTAPI
+FsRecIsExt2Volume(IN PVOID PackedBootSector)
{
- NTSTATUS Status;
- PARTITION_INFORMATION PartitionInfo;
- DISK_GEOMETRY DiskGeometry;
- ULONG Size;
- BOOL RecognizedFS = FALSE;
- Size = sizeof(DISK_GEOMETRY);
-
- Status = FsRecDeviceIoControl(DeviceObject,
- IOCTL_DISK_GET_DRIVE_GEOMETRY,
- NULL,
- 0,
- &DiskGeometry,
- &Size);
- if (!NT_SUCCESS(Status))
- {
- DPRINT("FsRecDeviceIoControl faild (%x)\n", Status);
- return Status;
- }
- if (DiskGeometry.MediaType == FixedMedia || DiskGeometry.MediaType == RemovableMedia)
- {
- // We have found a hard disk
- Size = sizeof(PARTITION_INFORMATION);
- Status = FsRecDeviceIoControl(DeviceObject,
- IOCTL_DISK_GET_PARTITION_INFO,
- NULL,
- 0,
- &PartitionInfo,
- &Size);
- if (!NT_SUCCESS(Status))
- {
- DPRINT("FsRecDeviceIoControl faild (%x)\n", Status);
- return Status;
- }
-
- if (PartitionInfo.PartitionType)
- {
- if (PartitionInfo.PartitionType == PARTITION_EXT2)
- {
- RecognizedFS = TRUE;
- }
- }
- }
-
- return RecognizedFS ? STATUS_SUCCESS : STATUS_UNRECOGNIZED_VOLUME;
+ /* For now, always return failure... */
+ return FALSE;
}
+NTSTATUS
+NTAPI
+FsRecExt2FsControl(IN PDEVICE_OBJECT DeviceObject,
+ IN PIRP Irp)
+{
+ PIO_STACK_LOCATION Stack;
+ NTSTATUS Status;
+ PDEVICE_OBJECT MountDevice;
+ PVOID Bpb = NULL;
+ ULONG SectorSize;
+ LARGE_INTEGER Offset = {{0}};
+ BOOLEAN DeviceError = FALSE;
+ PAGED_CODE();
-NTSTATUS
-FsRecExt2FsControl(IN PDEVICE_OBJECT DeviceObject,
- IN PIRP Irp)
-{
- PIO_STACK_LOCATION Stack;
- UNICODE_STRING RegistryPath;
- NTSTATUS Status;
+ /* Get the I/O Stack and check the function type */
+ Stack = IoGetCurrentIrpStackLocation(Irp);
+ switch (Stack->MinorFunction)
+ {
+ case IRP_MN_MOUNT_VOLUME:
- Stack = IoGetCurrentIrpStackLocation(Irp);
+ /* Assume failure */
+ Status = STATUS_UNRECOGNIZED_VOLUME;
- switch (Stack->MinorFunction)
- {
- case IRP_MN_MOUNT_VOLUME:
- DPRINT("FAT: IRP_MN_MOUNT_VOLUME\n");
- Status = FsRecIsExt2Volume(Stack->Parameters.MountVolume.DeviceObject);
- if (NT_SUCCESS(Status))
- {
- DPRINT("Identified FAT volume\n");
- Status = STATUS_FS_DRIVER_REQUIRED;
- }
- break;
+ /* Get the device object and request the sector size */
+ MountDevice = Stack->Parameters.MountVolume.DeviceObject;
+ if (FsRecGetDeviceSectorSize(MountDevice, &SectorSize))
+ {
+ /* Try to read the BPB */
+ if (FsRecReadBlock(MountDevice,
+ &Offset,
+ 512,
+ SectorSize,
+ (PVOID)&Bpb,
+ &DeviceError))
+ {
+ /* Check if it's an actual EXT2 volume */
+ if (FsRecIsExt2Volume(Bpb))
+ {
+ /* It is! */
+ Status = STATUS_FS_DRIVER_REQUIRED;
+ }
+ }
- case IRP_MN_LOAD_FILE_SYSTEM:
- DPRINT("FAT: IRP_MN_LOAD_FILE_SYSTEM\n");
- RtlRosInitUnicodeStringFromLiteral(&RegistryPath,
- L"\\Registry\\Machine\\System\\CurrentControlSet\\Services\\Ext2");
- Status = ZwLoadDriver(&RegistryPath);
- if (!NT_SUCCESS(Status))
- {
- DPRINT("ZwLoadDriver failed (Status %x)\n", Status);
- }
- else
- {
- IoUnregisterFileSystem(DeviceObject);
- }
- break;
+ /* Free the boot sector if we have one */
+ ExFreePool(Bpb);
+ }
+ else
+ {
+ /* We have some sort of failure in the storage stack */
+ DeviceError = TRUE;
+ }
- default:
- DPRINT("FAT: Unknown minor function %lx\n", Stack->MinorFunction);
- Status = STATUS_INVALID_DEVICE_REQUEST;
- break;
+ /* Check if we have an error on the stack */
+ if (DeviceError)
+ {
+ /* Was this because of a floppy? */
+ if (MountDevice->Characteristics & FILE_FLOPPY_DISKETTE)
+ {
+ /* Let the FS try anyway */
+ Status = STATUS_FS_DRIVER_REQUIRED;
+ }
+ }
+
+ break;
+
+ case IRP_MN_LOAD_FILE_SYSTEM:
+
+ /* Load the file system */
+ Status = FsRecLoadFileSystem(DeviceObject,
+
L"\\Registry\\Machine\\System\\CurrentControlSet\\Services\\Ext2");
+ break;
+
+ default:
+
+ /* Invalid request */
+ Status = STATUS_INVALID_DEVICE_REQUEST;
}
- return(Status);
+
+ /* Return Status */
+ return Status;
}
/* EOF */
Modified: trunk/reactos/drivers/filesystems/fs_rec/fat.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/fs_rec…
==============================================================================
--- trunk/reactos/drivers/filesystems/fs_rec/fat.c (original)
+++ trunk/reactos/drivers/filesystems/fs_rec/fat.c Mon Feb 11 19:41:25 2008
@@ -15,7 +15,7 @@
/* FUNCTIONS ****************************************************************/
-NTSTATUS
+BOOLEAN
NTAPI
FsRecIsFatVolume(IN PPACKED_BOOT_SECTOR PackedBootSector)
{
@@ -163,7 +163,7 @@
/* Load the file system */
Status = FsRecLoadFileSystem(DeviceObject,
-
L"\\Registry\\Machine\\System\\CurrentControlSet\\Services\\Vfatfs");
+
L"\\Registry\\Machine\\System\\CurrentControlSet\\Services\\fastfat");
break;
default:
Modified: trunk/reactos/drivers/filesystems/fs_rec/fs_rec.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/fs_rec…
==============================================================================
--- trunk/reactos/drivers/filesystems/fs_rec/fs_rec.c (original)
+++ trunk/reactos/drivers/filesystems/fs_rec/fs_rec.c Mon Feb 11 19:41:25 2008
@@ -151,6 +151,12 @@
/* Send UDFS command */
Status = FsRecUdfsFsControl(DeviceObject, Irp);
+ break;
+
+ case FS_TYPE_EXT2:
+
+ /* Send EXT2 command */
+ Status = FsRecExt2FsControl(DeviceObject, Irp);
break;
default:
@@ -359,6 +365,16 @@
FILE_DEVICE_DISK_FILE_SYSTEM);
if (NT_SUCCESS(Status)) DeviceCount++;
+ /* Register EXT2 */
+ /*Status = FsRecRegisterFs(DriverObject,
+ NULL,
+ NULL,
+ L"\\Ext2",
+ L"\\FileSystem\\Ext2Recognizer",
+ FS_TYPE_EXT2,
+ FILE_DEVICE_DISK_FILE_SYSTEM);
+ if (NT_SUCCESS(Status)) DeviceCount++;*/
+
/* Return appropriate Status */
return (DeviceCount > 0) ? STATUS_SUCCESS : STATUS_IMAGE_ALREADY_LOADED;
}
Modified: trunk/reactos/drivers/filesystems/fs_rec/fs_rec.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/fs_rec…
==============================================================================
--- trunk/reactos/drivers/filesystems/fs_rec/fs_rec.h (original)
+++ trunk/reactos/drivers/filesystems/fs_rec/fs_rec.h Mon Feb 11 19:41:25 2008
@@ -180,7 +180,8 @@
FS_TYPE_VFAT,
FS_TYPE_NTFS,
FS_TYPE_CDFS,
- FS_TYPE_UDFS
+ FS_TYPE_UDFS,
+ FS_TYPE_EXT2,
} FILE_SYSTEM_TYPE, *PFILE_SYSTEM_TYPE;
//
@@ -230,6 +231,13 @@
NTSTATUS
NTAPI
FsRecUdfsFsControl(
+ IN PDEVICE_OBJECT DeviceObject,
+ IN PIRP Irp
+);
+
+NTSTATUS
+NTAPI
+FsRecExt2FsControl(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp
);
Modified: trunk/reactos/drivers/filesystems/fs_rec/fs_rec.rbuild
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/fs_rec…
==============================================================================
--- trunk/reactos/drivers/filesystems/fs_rec/fs_rec.rbuild (original)
+++ trunk/reactos/drivers/filesystems/fs_rec/fs_rec.rbuild Mon Feb 11 19:41:25 2008
@@ -6,6 +6,7 @@
<library>hal</library>
<file>blockdev.c</file>
<file>cdfs.c</file>
+ <file>ext2.c</file>
<file>fat.c</file>
<file>fs_rec.c</file>
<file>ntfs.c</file>
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hpoussin＠svn.reactos.org