mirror of
https://github.com/reactos/reactos.git
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130 lines
3.6 KiB
C
130 lines
3.6 KiB
C
/*
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* ReactOS kernel
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* Copyright (C) 2002 ReactOS Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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* FILE: drivers/filesystems/cdfs/cleanup.c
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* PURPOSE: CDROM (ISO 9660) filesystem driver
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* PROGRAMMER:
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* UPDATE HISTORY:
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*/
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/* INCLUDES *****************************************************************/
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#include "cdfs.h"
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#define NDEBUG
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#include <debug.h>
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/* FUNCTIONS ****************************************************************/
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static NTSTATUS
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CdfsCleanupFile(PCDFS_IRP_CONTEXT IrpContext,
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PFILE_OBJECT FileObject)
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/*
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* FUNCTION: Cleans up after a file has been closed.
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*/
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{
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PDEVICE_EXTENSION DeviceExt;
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PFCB Fcb;
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DPRINT("CdfsCleanupFile(IrpContext %p, FileObject %p)\n",
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IrpContext,
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FileObject);
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DeviceExt = IrpContext->DeviceObject->DeviceExtension;
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Fcb = FileObject->FsContext;
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if (!Fcb)
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{
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return STATUS_SUCCESS;
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}
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DeviceExt->OpenHandleCount--;
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/* Notify about the cleanup */
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FsRtlNotifyCleanup(DeviceExt->NotifySync,
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&(DeviceExt->NotifyList),
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FileObject->FsContext2);
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if (!CdfsFCBIsDirectory(Fcb) &&
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FsRtlAreThereCurrentFileLocks(&Fcb->FileLock))
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{
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FsRtlFastUnlockAll(&Fcb->FileLock,
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FileObject,
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IoGetRequestorProcess(IrpContext->Irp),
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NULL);
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}
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/* Uninitialize file cache if initialized for this file object. */
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if (FileObject->SectionObjectPointer && FileObject->SectionObjectPointer->SharedCacheMap)
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{
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CcUninitializeCacheMap (FileObject, NULL, NULL);
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}
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/* Inform cleanup is complete */
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FileObject->Flags |= FO_CLEANUP_COMPLETE;
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return STATUS_SUCCESS;
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}
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NTSTATUS NTAPI
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CdfsCleanup(
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PCDFS_IRP_CONTEXT IrpContext)
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{
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PIRP Irp;
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PDEVICE_OBJECT DeviceObject;
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PDEVICE_EXTENSION DeviceExtension;
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PIO_STACK_LOCATION Stack;
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PFILE_OBJECT FileObject;
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NTSTATUS Status;
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DPRINT("CdfsCleanup() called\n");
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ASSERT(IrpContext);
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Irp = IrpContext->Irp;
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DeviceObject = IrpContext->DeviceObject;
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Stack = IrpContext->Stack;
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if (DeviceObject == CdfsGlobalData->CdFsDeviceObject || DeviceObject == CdfsGlobalData->HddFsDeviceObject)
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{
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DPRINT("Closing file system\n");
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Status = STATUS_SUCCESS;
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goto ByeBye;
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}
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FileObject = Stack->FileObject;
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DeviceExtension = DeviceObject->DeviceExtension;
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KeEnterCriticalRegion();
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ExAcquireResourceExclusiveLite(&DeviceExtension->DirResource, TRUE);
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Status = CdfsCleanupFile(IrpContext, FileObject);
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ExReleaseResourceLite(&DeviceExtension->DirResource);
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KeLeaveCriticalRegion();
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ByeBye:
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Irp->IoStatus.Information = 0;
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return(Status);
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}
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/* EOF */
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