reactos/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 /*
  40  * FUNCTION: Closes a file
  41  */
  42 static
  43 NTSTATUS
  44 NtfsCloseFile(PDEVICE_EXTENSION DeviceExt,
  45               PFILE_OBJECT FileObject)
  46 {
  47     PNTFS_CCB Ccb;
  48
  49     DPRINT("NtfsCloseFile(DeviceExt %p, FileObject %p)\n",
  50            DeviceExt,
  51            FileObject);
  52
  53     Ccb = (PNTFS_CCB)(FileObject->FsContext2);
  54
  55     DPRINT("Ccb %p\n", Ccb);
  56     if (Ccb == NULL)
  57     {
  58         return STATUS_SUCCESS;
  59     }
  60
  61     FileObject->FsContext2 = NULL;
  62
  63     if (FileObject->FileName.Buffer)
  64     {
  65         // This a FO, that was created outside from FSD.
  66         // Some FO's are created with IoCreateStreamFileObject() insid from FSD.
  67         // This FO's don't have a FileName.
  68         NtfsReleaseFCB(DeviceExt, FileObject->FsContext);
  69     }
  70
  71     if (Ccb->DirectorySearchPattern)
  72     {
  73         ExFreePool(Ccb->DirectorySearchPattern);
  74     }
  75
  76     ExFreePool(Ccb);
  77
  78     return STATUS_SUCCESS;
  79 }
  80
  81
  82 NTSTATUS NTAPI
  83 NtfsFsdClose(PDEVICE_OBJECT DeviceObject,
  84              PIRP Irp)
  85 {
  86     PDEVICE_EXTENSION DeviceExtension;
  87     PIO_STACK_LOCATION Stack;
  88     PFILE_OBJECT FileObject;
  89     NTSTATUS Status;
  90
  91     DPRINT("NtfsClose() called\n");
  92
  93     if (DeviceObject == NtfsGlobalData->DeviceObject)
  94     {
  95         DPRINT("Closing file system\n");
  96         Status = STATUS_SUCCESS;
  97         goto ByeBye;
  98     }
  99
 100     Stack = IoGetCurrentIrpStackLocation(Irp);
 101     FileObject = Stack->FileObject;
 102     DeviceExtension = DeviceObject->DeviceExtension;
 103
 104     Status = NtfsCloseFile(DeviceExtension,FileObject);
 105
 106 ByeBye:
 107     Irp->IoStatus.Status = Status;
 108     Irp->IoStatus.Information = 0;
 109
 110     IoCompleteRequest(Irp, IO_NO_INCREMENT);
 111     return Status;
 112 }
 113
 114 /* EOF */