reactos/drivers/fs/vfat/cleanup.c

   1 /* $Id: cleanup.c,v 1.14 2003/10/11 17:51:56 hbirr Exp $
   2  *
   3  * COPYRIGHT:        See COPYING in the top level directory
   4  * PROJECT:          ReactOS kernel
   5  * FILE:             drivers/fs/vfat/cleanup.c
   6  * PURPOSE:          VFAT Filesystem
   7  * PROGRAMMER:       Jason Filby (jasonfilby@yahoo.com)
   8  *                   Hartmut Birr
   9  */
  10
  11 /* INCLUDES *****************************************************************/
  12
  13 #include <ddk/ntddk.h>
  14
  15 #define NDEBUG
  16 #include <debug.h>
  17
  18 #include "vfat.h"
  19
  20 /* FUNCTIONS ****************************************************************/
  21
  22 static NTSTATUS
  23 VfatCleanupFile(PVFAT_IRP_CONTEXT IrpContext)
  24 /*
  25  * FUNCTION: Cleans up after a file has been closed.
  26  */
  27 {
  28   PVFATFCB pFcb;
  29   PFILE_OBJECT FileObject = IrpContext->FileObject;
  30
  31   DPRINT("VfatCleanupFile(DeviceExt %x, FileObject %x)\n",
  32          IrpContext->DeviceExt, FileObject);
  33
  34   /* FIXME: handle file/directory deletion here */
  35   pFcb = (PVFATFCB) FileObject->FsContext;
  36   if (pFcb)
  37     {
  38       if (!(pFcb->entry.Attrib & FILE_ATTRIBUTE_DIRECTORY) &&
  39           FsRtlAreThereCurrentFileLocks(&pFcb->FileLock))
  40        {
  41          /* remove all locks this process have on this file */
  42          FsRtlFastUnlockAll(&pFcb->FileLock,
  43                             FileObject,
  44                             IoGetRequestorProcess(IrpContext->Irp),
  45                             NULL);
  46        }
  47
  48      if (pFcb->Flags & FCB_IS_DIRTY)
  49        {
  50          VfatUpdateEntry (pFcb);
  51        }
  52
  53      /* Uninitialize file cache if initialized for this file object. */
  54      if (FileObject->PrivateCacheMap)
  55        {
  56          CcRosReleaseFileCache (FileObject);
  57        }
  58     }
  59   return STATUS_SUCCESS;
  60 }
  61
  62 NTSTATUS VfatCleanup (PVFAT_IRP_CONTEXT IrpContext)
  63 /*
  64  * FUNCTION: Cleans up after a file has been closed.
  65  */
  66 {
  67    NTSTATUS Status;
  68
  69    DPRINT("VfatCleanup(DeviceObject %x, Irp %x)\n", IrpContext->DeviceObject, IrpContext->Irp);
  70
  71    if (IrpContext->DeviceObject == VfatGlobalData->DeviceObject)
  72      {
  73        Status = STATUS_SUCCESS;
  74        goto ByeBye;
  75      }
  76
  77    if (!ExAcquireResourceExclusiveLite (&IrpContext->DeviceExt->DirResource,
  78                                         (BOOLEAN)(IrpContext->Flags & IRPCONTEXT_CANWAIT)))
  79      {
  80        return VfatQueueRequest (IrpContext);
  81      }
  82
  83    Status = VfatCleanupFile(IrpContext);
  84
  85    ExReleaseResourceLite (&IrpContext->DeviceExt->DirResource);
  86
  87 ByeBye:
  88    IrpContext->Irp->IoStatus.Status = Status;
  89    IrpContext->Irp->IoStatus.Information = 0;
  90
  91    IoCompleteRequest (IrpContext->Irp, IO_NO_INCREMENT);
  92    VfatFreeIrpContext(IrpContext);
  93    return (Status);
  94 }
  95
  96 /* EOF */