reactos/drivers/fs/vfat/cleanup.c

   1 /* $Id$
   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 #define NDEBUG
  14 #include "vfat.h"
  15
  16 /* FUNCTIONS ****************************************************************/
  17
  18 static NTSTATUS
  19 VfatCleanupFile(PVFAT_IRP_CONTEXT IrpContext)
  20 /*
  21  * FUNCTION: Cleans up after a file has been closed.
  22  */
  23 {
  24   PVFATFCB pFcb;
  25   PFILE_OBJECT FileObject = IrpContext->FileObject;
  26
  27   DPRINT("VfatCleanupFile(DeviceExt %x, FileObject %x)\n",
  28          IrpContext->DeviceExt, FileObject);
  29
  30   /* FIXME: handle file/directory deletion here */
  31   pFcb = (PVFATFCB) FileObject->FsContext;
  32   if (pFcb)
  33     {
  34       if (!(*pFcb->Attributes & FILE_ATTRIBUTE_DIRECTORY) &&
  35           FsRtlAreThereCurrentFileLocks(&pFcb->FileLock))
  36        {
  37          /* remove all locks this process have on this file */
  38          FsRtlFastUnlockAll(&pFcb->FileLock,
  39                             FileObject,
  40                             IoGetRequestorProcess(IrpContext->Irp),
  41                             NULL);
  42        }
  43
  44      if (pFcb->Flags & FCB_IS_DIRTY)
  45        {
  46          VfatUpdateEntry (pFcb);
  47        }
  48
  49      /* Uninitialize file cache if initialized for this file object. */
  50      if (FileObject->PrivateCacheMap)
  51        {
  52          CcRosReleaseFileCache (FileObject);
  53        }
  54
  55      pFcb->OpenHandleCount--;
  56      IoRemoveShareAccess(FileObject, &pFcb->FCBShareAccess);
  57     }
  58   return STATUS_SUCCESS;
  59 }
  60
  61 NTSTATUS VfatCleanup (PVFAT_IRP_CONTEXT IrpContext)
  62 /*
  63  * FUNCTION: Cleans up after a file has been closed.
  64  */
  65 {
  66    NTSTATUS Status;
  67
  68    DPRINT("VfatCleanup(DeviceObject %x, Irp %x)\n", IrpContext->DeviceObject, IrpContext->Irp);
  69
  70    if (IrpContext->DeviceObject == VfatGlobalData->DeviceObject)
  71      {
  72        Status = STATUS_SUCCESS;
  73        goto ByeBye;
  74      }
  75
  76    if (!ExAcquireResourceExclusiveLite (&IrpContext->DeviceExt->DirResource,
  77                                         (BOOLEAN)(IrpContext->Flags & IRPCONTEXT_CANWAIT)))
  78      {
  79        return VfatQueueRequest (IrpContext);
  80      }
  81
  82    Status = VfatCleanupFile(IrpContext);
  83
  84    ExReleaseResourceLite (&IrpContext->DeviceExt->DirResource);
  85
  86 ByeBye:
  87    IrpContext->Irp->IoStatus.Status = Status;
  88    IrpContext->Irp->IoStatus.Information = 0;
  89
  90    IoCompleteRequest (IrpContext->Irp, IO_NO_INCREMENT);
  91    VfatFreeIrpContext(IrpContext);
  92    return (Status);
  93 }
  94
  95 /* EOF */