reactos/drivers/filesystems/ntfs/close.c

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/*
* ReactOS kernel
* Copyright (C) 2002 ReactOS Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: drivers/filesystem/ntfs/close.c
* PURPOSE: NTFS filesystem driver
* PROGRAMMER: Art Yerkes
* UPDATE HISTORY:
*/
/* INCLUDES *****************************************************************/
#include "ntfs.h"
#define NDEBUG
#include <debug.h>
/* FUNCTIONS ****************************************************************/
/*
* FUNCTION: Closes a file
*/
NTSTATUS
NtfsCloseFile(PDEVICE_EXTENSION DeviceExt,
PFILE_OBJECT FileObject)
{
PNTFS_CCB Ccb;
PNTFS_FCB Fcb;
DPRINT("NtfsCloseFile(DeviceExt %p, FileObject %p)\n",
DeviceExt,
FileObject);
Ccb = (PNTFS_CCB)(FileObject->FsContext2);
Fcb = (PNTFS_FCB)(FileObject->FsContext);
DPRINT("Ccb %p\n", Ccb);
if (Ccb == NULL)
{
return STATUS_SUCCESS;
}
FileObject->FsContext2 = NULL;
FileObject->FsContext = NULL;
FileObject->SectionObjectPointer = NULL;
DeviceExt->OpenHandleCount--;
if (FileObject->FileName.Buffer)
{
// This a FO, that was created outside from FSD.
// Some FO's are created with IoCreateStreamFileObject() insid from FSD.
// This FO's don't have a FileName.
NtfsReleaseFCB(DeviceExt, Fcb);
}
if (Ccb->DirectorySearchPattern)
{
ExFreePool(Ccb->DirectorySearchPattern);
}
ExFreePool(Ccb);
return STATUS_SUCCESS;
}
NTSTATUS
NtfsClose(PNTFS_IRP_CONTEXT IrpContext)
{
PDEVICE_EXTENSION DeviceExtension;
PFILE_OBJECT FileObject;
NTSTATUS Status;
PDEVICE_OBJECT DeviceObject;
DPRINT("NtfsClose() called\n");
DeviceObject = IrpContext->DeviceObject;
if (DeviceObject == NtfsGlobalData->DeviceObject)
{
DPRINT("Closing file system\n");
IrpContext->Irp->IoStatus.Information = 0;
return STATUS_SUCCESS;
}
FileObject = IrpContext->FileObject;
DeviceExtension = DeviceObject->DeviceExtension;
if (!ExAcquireResourceExclusiveLite(&DeviceExtension->DirResource,
BooleanFlagOn(IrpContext->Flags, IRPCONTEXT_CANWAIT)))
{
return NtfsMarkIrpContextForQueue(IrpContext);
}
Status = NtfsCloseFile(DeviceExtension, FileObject);
ExReleaseResourceLite(&DeviceExtension->DirResource);
if (Status == STATUS_PENDING)
{
return NtfsMarkIrpContextForQueue(IrpContext);
}
IrpContext->Irp->IoStatus.Information = 0;
return Status;
}
/* EOF */