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 /* FUNCTIONS ****************************************************************/
  35
  36 /*
  37  * FUNCTION: Closes a file
  38  */
  39 static
  40 NTSTATUS
  41 NtfsCloseFile(PDEVICE_EXTENSION DeviceExt,
  42               PFILE_OBJECT FileObject)
  43 {
  44     PNTFS_CCB Ccb;
  45
  46     DPRINT("NtfsCloseFile(DeviceExt %p, FileObject %p)\n",
  47            DeviceExt,
  48            FileObject);
  49
  50     Ccb = (PNTFS_CCB)(FileObject->FsContext2);
  51
  52     DPRINT("Ccb %p\n", Ccb);
  53     if (Ccb == NULL)
  54     {
  55         return STATUS_SUCCESS;
  56     }
  57
  58     FileObject->FsContext2 = NULL;
  59
  60     if (FileObject->FileName.Buffer)
  61     {
  62         // This a FO, that was created outside from FSD.
  63         // Some FO's are created with IoCreateStreamFileObject() insid from FSD.
  64         // This FO's don't have a FileName.
  65         NtfsReleaseFCB(DeviceExt, FileObject->FsContext);
  66     }
  67
  68     if (Ccb->DirectorySearchPattern)
  69     {
  70         ExFreePool(Ccb->DirectorySearchPattern);
  71     }
  72
  73     ExFreePool(Ccb);
  74
  75     return STATUS_SUCCESS;
  76 }
  77
  78
  79 NTSTATUS NTAPI
  80 NtfsFsdClose(PDEVICE_OBJECT DeviceObject,
  81              PIRP Irp)
  82 {
  83     PDEVICE_EXTENSION DeviceExtension;
  84     PIO_STACK_LOCATION Stack;
  85     PFILE_OBJECT FileObject;
  86     NTSTATUS Status;
  87
  88     DPRINT("NtfsClose() called\n");
  89
  90     if (DeviceObject == NtfsGlobalData->DeviceObject)
  91     {
  92         DPRINT("Closing file system\n");
  93         Status = STATUS_SUCCESS;
  94         goto ByeBye;
  95     }
  96
  97     Stack = IoGetCurrentIrpStackLocation(Irp);
  98     FileObject = Stack->FileObject;
  99     DeviceExtension = DeviceObject->DeviceExtension;
 100
 101     Status = NtfsCloseFile(DeviceExtension,FileObject);
 102
 103 ByeBye:
 104     Irp->IoStatus.Status = Status;
 105     Irp->IoStatus.Information = 0;
 106
 107     IoCompleteRequest(Irp, IO_NO_INCREMENT);
 108     return Status;
 109 }
 110
 111 /* EOF */