drivers/filesystems/ntfs/fastio.c

   1 /*
   2  *  ReactOS kernel
   3  *  Copyright (C) 2008 ReactOS Team
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program; if not, write to the Free Software
  17  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
  18  *
  19  * COPYRIGHT:        See COPYING in the top level directory
  20  * PROJECT:          ReactOS kernel
  21  * FILE:             drivers/filesystem/ntfs/fastio.c
  22  * PURPOSE:          NTFS filesystem driver
  23  * PROGRAMMER:       Pierre Schweitzer
  24  */
  25
  26 /* INCLUDES *****************************************************************/
  27
  28 #include <ntddk.h>
  29
  30 #define NDEBUG
  31 #include <debug.h>
  32
  33 #include "ntfs.h"
  34
  35 /* FUNCTIONS ****************************************************************/
  36
  37 BOOLEAN
  38 NTAPI
  39 NtfsAcqLazyWrite(PVOID Context,
  40                  BOOLEAN Wait)
  41 {
  42     UNREFERENCED_PARAMETER(Context);
  43     UNREFERENCED_PARAMETER(Wait);
  44     UNIMPLEMENTED;
  45     return FALSE;
  46 }
  47
  48
  49 VOID
  50 NTAPI
  51 NtfsRelLazyWrite(PVOID Context)
  52 {
  53     UNREFERENCED_PARAMETER(Context);
  54     UNIMPLEMENTED;
  55 }
  56
  57
  58 BOOLEAN
  59 NTAPI
  60 NtfsAcqReadAhead(PVOID Context,
  61                  BOOLEAN Wait)
  62 {
  63     UNREFERENCED_PARAMETER(Context);
  64     UNREFERENCED_PARAMETER(Wait);
  65     UNIMPLEMENTED;
  66     return FALSE;
  67 }
  68
  69
  70 VOID
  71 NTAPI
  72 NtfsRelReadAhead(PVOID Context)
  73 {
  74     UNREFERENCED_PARAMETER(Context);
  75     UNIMPLEMENTED;
  76 }
  77
  78 BOOLEAN
  79 NTAPI
  80 NtfsFastIoCheckIfPossible(
  81     _In_ PFILE_OBJECT FileObject,
  82     _In_ PLARGE_INTEGER FileOffset,
  83     _In_ ULONG Length,
  84     _In_ BOOLEAN Wait,
  85     _In_ ULONG LockKey,
  86     _In_ BOOLEAN CheckForReadOperation,
  87     _Out_ PIO_STATUS_BLOCK IoStatus,
  88     _In_ PDEVICE_OBJECT DeviceObject)
  89 {
  90     /* Deny FastIo */
  91     UNREFERENCED_PARAMETER(FileObject);
  92     UNREFERENCED_PARAMETER(FileOffset);
  93     UNREFERENCED_PARAMETER(Length);
  94     UNREFERENCED_PARAMETER(Wait);
  95     UNREFERENCED_PARAMETER(LockKey);
  96     UNREFERENCED_PARAMETER(CheckForReadOperation);
  97     UNREFERENCED_PARAMETER(IoStatus);
  98     UNREFERENCED_PARAMETER(DeviceObject);
  99     return FALSE;
 100 }
 101
 102 BOOLEAN
 103 NTAPI
 104 NtfsFastIoRead(
 105     _In_ PFILE_OBJECT FileObject,
 106     _In_ PLARGE_INTEGER FileOffset,
 107     _In_ ULONG Length,
 108     _In_ BOOLEAN Wait,
 109     _In_ ULONG LockKey,
 110     _Out_ PVOID Buffer,
 111     _Out_ PIO_STATUS_BLOCK IoStatus,
 112     _In_ PDEVICE_OBJECT DeviceObject)
 113 {
 114     DBG_UNREFERENCED_PARAMETER(FileObject);
 115     DBG_UNREFERENCED_PARAMETER(FileOffset);
 116     DBG_UNREFERENCED_PARAMETER(Length);
 117     DBG_UNREFERENCED_PARAMETER(Wait);
 118     DBG_UNREFERENCED_PARAMETER(LockKey);
 119     DBG_UNREFERENCED_PARAMETER(Buffer);
 120     DBG_UNREFERENCED_PARAMETER(IoStatus);
 121     DBG_UNREFERENCED_PARAMETER(DeviceObject);
 122     return FALSE;
 123 }
 124
 125 BOOLEAN
 126 NTAPI
 127 NtfsFastIoWrite(
 128     _In_ PFILE_OBJECT FileObject,
 129     _In_ PLARGE_INTEGER FileOffset,
 130     _In_ ULONG Length,
 131     _In_ BOOLEAN Wait,
 132     _In_ ULONG LockKey,
 133     _In_ PVOID Buffer,
 134     _Out_ PIO_STATUS_BLOCK IoStatus,
 135     _In_ PDEVICE_OBJECT DeviceObject)
 136 {
 137     DBG_UNREFERENCED_PARAMETER(FileObject);
 138     DBG_UNREFERENCED_PARAMETER(FileOffset);
 139     DBG_UNREFERENCED_PARAMETER(Length);
 140     DBG_UNREFERENCED_PARAMETER(Wait);
 141     DBG_UNREFERENCED_PARAMETER(LockKey);
 142     DBG_UNREFERENCED_PARAMETER(Buffer);
 143     DBG_UNREFERENCED_PARAMETER(IoStatus);
 144     DBG_UNREFERENCED_PARAMETER(DeviceObject);
 145     return FALSE;
 146 }
 147
 148 /* EOF */