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Create a branch for network fixes.

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svn path=/branches/aicom-network-fixes/; revision=34994
This commit is contained in:
Art Yerkes 2008-08-01 11:32:26 +00:00
parent 0e213bbc00
commit c501d8112c
18148 changed files with 0 additions and 860488 deletions
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drivers/filesystems/ntfs/blockdev.c Normal file
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/*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: drivers/filesystem/ntfs/blockdev.c
* PURPOSE: NTFS filesystem driver
* PROGRAMMER: Eric Kohl
*/
/* INCLUDES *****************************************************************/
#include "ntfs.h"
#define NDEBUG
#include <debug.h>
/* GLOBALS *****************************************************************/
/* FUNCTIONS ****************************************************************/
NTSTATUS
NtfsReadSectors(IN PDEVICE_OBJECT DeviceObject,
IN ULONG DiskSector,
IN ULONG SectorCount,
IN ULONG SectorSize,
IN OUT PUCHAR Buffer,
IN BOOLEAN Override)
{
PIO_STACK_LOCATION Stack;
IO_STATUS_BLOCK IoStatus;
LARGE_INTEGER Offset;
ULONG BlockSize;
KEVENT Event;
PIRP Irp;
NTSTATUS Status;
KeInitializeEvent(&Event,
NotificationEvent,
FALSE);
Offset.QuadPart = (LONGLONG)DiskSector * (LONGLONG)SectorSize;
BlockSize = SectorCount * SectorSize;
DPRINT("NtfsReadSectors(DeviceObject %p, DiskSector %d, Buffer %p)\n",
DeviceObject, DiskSector, Buffer);
DPRINT("Offset %I64x BlockSize %ld\n",
Offset.QuadPart,
BlockSize);
DPRINT("Building synchronous FSD Request...\n");
Irp = IoBuildSynchronousFsdRequest(IRP_MJ_READ,
DeviceObject,
Buffer,
BlockSize,
&Offset,
&Event,
&IoStatus);
if (Irp == NULL)
{
DPRINT("IoBuildSynchronousFsdRequest failed\n");
return STATUS_INSUFFICIENT_RESOURCES;
}
if (Override)
{
Stack = IoGetNextIrpStackLocation(Irp);
Stack->Flags |= SL_OVERRIDE_VERIFY_VOLUME;
}
DPRINT("Calling IO Driver... with irp %p\n", Irp);
Status = IoCallDriver(DeviceObject, Irp);
DPRINT("Waiting for IO Operation for %p\n", Irp);
if (Status == STATUS_PENDING)
{
DPRINT("Operation pending\n");
KeWaitForSingleObject(&Event, Suspended, KernelMode, FALSE, NULL);
DPRINT("Getting IO Status... for %p\n", Irp);
Status = IoStatus.Status;
}
DPRINT("NtfsReadSectors() done (Status %x)\n", Status);
return Status;
}
NTSTATUS
NtfsDeviceIoControl(IN PDEVICE_OBJECT DeviceObject,
IN ULONG ControlCode,
IN PVOID InputBuffer,
IN ULONG InputBufferSize,
IN OUT PVOID OutputBuffer,
IN OUT PULONG OutputBufferSize,
IN BOOLEAN Override)
{
PIO_STACK_LOCATION Stack;
IO_STATUS_BLOCK IoStatus;
KEVENT Event;
PIRP Irp;
NTSTATUS Status;
KeInitializeEvent(&Event, NotificationEvent, FALSE);
DPRINT("Building device I/O control request ...\n");
Irp = IoBuildDeviceIoControlRequest(ControlCode,
DeviceObject,
InputBuffer,
InputBufferSize,
OutputBuffer,
(OutputBufferSize) ? *OutputBufferSize : 0,
FALSE,
&Event,
&IoStatus);
if (Irp == NULL)
{
DPRINT("IoBuildDeviceIoControlRequest() failed\n");
return STATUS_INSUFFICIENT_RESOURCES;
}
if (Override)
{
Stack = IoGetNextIrpStackLocation(Irp);
Stack->Flags |= SL_OVERRIDE_VERIFY_VOLUME;
}
DPRINT("Calling IO Driver... with irp %p\n", Irp);
Status = IoCallDriver(DeviceObject, Irp);
if (Status == STATUS_PENDING)
{
KeWaitForSingleObject(&Event, Suspended, KernelMode, FALSE, NULL);
Status = IoStatus.Status;
}
if (OutputBufferSize)
{
*OutputBufferSize = IoStatus.Information;
}
return Status;
}
/* EOF */