reactos/drivers/fs/vfat/close.c

   1 /* $Id: close.c,v 1.9 2001/11/02 22:44:34 hbirr Exp $
   2  *
   3  * COPYRIGHT:        See COPYING in the top level directory
   4  * PROJECT:          ReactOS kernel
   5  * FILE:             services/fs/vfat/close.c
   6  * PURPOSE:          VFAT Filesystem
   7  * PROGRAMMER:       Jason Filby (jasonfilby@yahoo.com)
   8  */
   9
  10 /* INCLUDES *****************************************************************/
  11
  12 #include <ddk/ntddk.h>
  13
  14 #define NDEBUG
  15 #include <debug.h>
  16
  17 #include "vfat.h"
  18
  19 /* FUNCTIONS ****************************************************************/
  20
  21 NTSTATUS
  22 VfatCloseFile (PDEVICE_EXTENSION DeviceExt, PFILE_OBJECT FileObject)
  23 /*
  24  * FUNCTION: Closes a file
  25  */
  26 {
  27   PVFATFCB pFcb;
  28   PVFATCCB pCcb;
  29   NTSTATUS Status = STATUS_SUCCESS;
  30
  31   DPRINT ("VfatCloseFile(DeviceExt %x, FileObject %x)\n",
  32           DeviceExt, FileObject);
  33
  34   /* FIXME : update entry in directory? */
  35   pCcb = (PVFATCCB) (FileObject->FsContext2);
  36
  37   DPRINT ("pCcb %x\n", pCcb);
  38   if (pCcb == NULL)
  39   {
  40     return  STATUS_SUCCESS;
  41   }
  42   if (FileObject->FileName.Buffer)
  43   {
  44     // This a FO, that was created outside from FSD.
  45     // Some FO's are created with IoCreateStreamFileObject() insid from FSD.
  46     // This FO's haven't a FileName.
  47     pFcb = pCcb->pFcb;
  48     if (FileObject->DeletePending)
  49     {
  50       if (pFcb->Flags & FCB_DELETE_PENDING)
  51       {
  52         delEntry (DeviceExt, FileObject);
  53       }
  54       else
  55        Status = STATUS_DELETE_PENDING;
  56     }
  57     FileObject->FsContext2 = NULL;
  58     vfatReleaseFCB (DeviceExt, pFcb);
  59   }
  60   else
  61     FileObject->FsContext2 = NULL;
  62
  63   ExFreePool (pCcb);
  64
  65   return  Status;
  66 }
  67
  68 NTSTATUS VfatClose (PVFAT_IRP_CONTEXT IrpContext)
  69 /*
  70  * FUNCTION: Closes a file
  71  */
  72 {
  73   NTSTATUS Status;
  74
  75   DPRINT ("VfatClose(DeviceObject %x, Irp %x)\n", DeviceObject, Irp);
  76
  77   if (!ExAcquireResourceExclusiveLite (&IrpContext->DeviceExt->DirResource, IrpContext->Flags & IRPCONTEXT_CANWAIT))
  78   {
  79      return VfatQueueRequest (IrpContext);
  80   }
  81
  82   Status = VfatCloseFile (IrpContext->DeviceExt, IrpContext->FileObject);
  83   ExReleaseResourceLite (&IrpContext->DeviceExt->DirResource);
  84
  85   IrpContext->Irp->IoStatus.Status = Status;
  86   IrpContext->Irp->IoStatus.Information = 0;
  87   IoCompleteRequest (IrpContext->Irp, IO_NO_INCREMENT);
  88   VfatFreeIrpContext(IrpContext);
  89
  90   return (Status);
  91 }
  92
  93 /* EOF */