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 #ifdef USE_ROS_CC_AND_FS
  53          CcRosReleaseFileCache (FileObject);
  54 #else
  55          CcUninitializeCacheMap (FileObject, NULL, NULL);
  56 #endif
  57        }
  58
  59      pFcb->OpenHandleCount--;
  60      IoRemoveShareAccess(FileObject, &pFcb->FCBShareAccess);
  61     }
  62   return STATUS_SUCCESS;
  63 }
  64
  65 NTSTATUS VfatCleanup (PVFAT_IRP_CONTEXT IrpContext)
  66 /*
  67  * FUNCTION: Cleans up after a file has been closed.
  68  */
  69 {
  70    NTSTATUS Status;
  71
  72    DPRINT("VfatCleanup(DeviceObject %x, Irp %x)\n", IrpContext->DeviceObject, IrpContext->Irp);
  73
  74    if (IrpContext->DeviceObject == VfatGlobalData->DeviceObject)
  75      {
  76        Status = STATUS_SUCCESS;
  77        goto ByeBye;
  78      }
  79
  80    if (!ExAcquireResourceExclusiveLite (&IrpContext->DeviceExt->DirResource,
  81                                         (BOOLEAN)(IrpContext->Flags & IRPCONTEXT_CANWAIT)))
  82      {
  83        return VfatQueueRequest (IrpContext);
  84      }
  85
  86    Status = VfatCleanupFile(IrpContext);
  87
  88    ExReleaseResourceLite (&IrpContext->DeviceExt->DirResource);
  89
  90 ByeBye:
  91    IrpContext->Irp->IoStatus.Status = Status;
  92    IrpContext->Irp->IoStatus.Information = 0;
  93
  94    IoCompleteRequest (IrpContext->Irp, IO_NO_INCREMENT);
  95    VfatFreeIrpContext(IrpContext);
  96    return (Status);
  97 }
  98
  99 /* EOF */