drivers/filesystems/ntfs/close.c

   1 /*
   2  *  ReactOS kernel
   3  *  Copyright (C) 2002 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/close.c
  22  * PURPOSE:          NTFS filesystem driver
  23  * PROGRAMMER:       Art Yerkes
  24  * UPDATE HISTORY:
  25  */
  26
  27 /* INCLUDES *****************************************************************/
  28
  29 #include "ntfs.h"
  30
  31 #define NDEBUG
  32 #include <debug.h>
  33
  34 /* GLOBALS *****************************************************************/
  35
  36
  37 /* FUNCTIONS ****************************************************************/
  38
  39 static NTSTATUS
  40 NtfsCloseFile(PDEVICE_EXTENSION DeviceExt,
  41               PFILE_OBJECT FileObject)
  42 /*
  43  * FUNCTION: Closes a file
  44  */
  45 {
  46   PNTFS_CCB Ccb;
  47
  48   DPRINT("NtfsCloseFile(DeviceExt %p, FileObject %p)\n",
  49          DeviceExt,
  50          FileObject);
  51
  52   Ccb = (PNTFS_CCB)(FileObject->FsContext2);
  53
  54   DPRINT("Ccb %p\n", Ccb);
  55   if (Ccb == NULL)
  56     {
  57       return(STATUS_SUCCESS);
  58     }
  59
  60   FileObject->FsContext2 = NULL;
  61
  62   if (FileObject->FileName.Buffer)
  63     {
  64       // This a FO, that was created outside from FSD.
  65       // Some FO's are created with IoCreateStreamFileObject() insid from FSD.
  66       // This FO's don't have a FileName.
  67       NtfsReleaseFCB(DeviceExt, FileObject->FsContext);
  68     }
  69
  70   if (Ccb->DirectorySearchPattern)
  71     {
  72       ExFreePool(Ccb->DirectorySearchPattern);
  73     }
  74   ExFreePool(Ccb);
  75
  76   return(STATUS_SUCCESS);
  77 }
  78
  79
  80 NTSTATUS NTAPI
  81 NtfsFsdClose(PDEVICE_OBJECT DeviceObject,
  82           PIRP Irp)
  83 {
  84   PDEVICE_EXTENSION DeviceExtension;
  85   PIO_STACK_LOCATION Stack;
  86   PFILE_OBJECT FileObject;
  87   NTSTATUS Status;
  88
  89   DPRINT("NtfsClose() called\n");
  90
  91   if (DeviceObject == NtfsGlobalData->DeviceObject)
  92     {
  93       DPRINT("Closing file system\n");
  94       Status = STATUS_SUCCESS;
  95       goto ByeBye;
  96     }
  97
  98   Stack = IoGetCurrentIrpStackLocation(Irp);
  99   FileObject = Stack->FileObject;
 100   DeviceExtension = DeviceObject->DeviceExtension;
 101
 102   Status = NtfsCloseFile(DeviceExtension,FileObject);
 103
 104 ByeBye:
 105   Irp->IoStatus.Status = Status;
 106   Irp->IoStatus.Information = 0;
 107
 108   IoCompleteRequest(Irp, IO_NO_INCREMENT);
 109   return(Status);
 110 }