mirror of
https://github.com/reactos/reactos.git
synced 2024-10-30 11:35:58 +00:00
120 lines
2.9 KiB
C
120 lines
2.9 KiB
C
/*
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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/fastfat/close.c
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* PURPOSE: VFAT Filesystem
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* PROGRAMMER: Jason Filby (jasonfilby@yahoo.com)
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*/
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/* INCLUDES *****************************************************************/
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#include "vfat.h"
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#define NDEBUG
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#include <debug.h>
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/* FUNCTIONS ****************************************************************/
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/*
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* FUNCTION: Closes a file
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*/
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NTSTATUS
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VfatCloseFile(
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PDEVICE_EXTENSION DeviceExt,
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PFILE_OBJECT FileObject)
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{
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PVFATFCB pFcb;
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PVFATCCB pCcb;
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BOOLEAN IsVolume;
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NTSTATUS Status = STATUS_SUCCESS;
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DPRINT("VfatCloseFile(DeviceExt %p, FileObject %p)\n",
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DeviceExt, FileObject);
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/* FIXME : update entry in directory? */
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pCcb = (PVFATCCB) (FileObject->FsContext2);
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pFcb = (PVFATFCB) (FileObject->FsContext);
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if (pFcb == NULL)
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{
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return STATUS_SUCCESS;
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}
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IsVolume = BooleanFlagOn(pFcb->Flags, FCB_IS_VOLUME);
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if (IsVolume)
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{
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DPRINT("Volume\n");
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FileObject->FsContext2 = NULL;
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}
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else
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{
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if (pFcb->OpenHandleCount == 0 && BooleanFlagOn(pFcb->Flags, FCB_CACHE_INITIALIZED))
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{
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PFILE_OBJECT tmpFileObject;
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tmpFileObject = pFcb->FileObject;
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if (tmpFileObject != NULL)
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{
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pFcb->FileObject = NULL;
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CcUninitializeCacheMap(tmpFileObject, NULL, NULL);
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ClearFlag(pFcb->Flags, FCB_CACHE_INITIALIZED);
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ObDereferenceObject(tmpFileObject);
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}
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}
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#ifdef KDBG
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pFcb->Flags |= FCB_CLOSED;
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#endif
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vfatReleaseFCB(DeviceExt, pFcb);
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}
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FileObject->FsContext2 = NULL;
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FileObject->FsContext = NULL;
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FileObject->SectionObjectPointer = NULL;
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if (pCcb)
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{
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vfatDestroyCCB(pCcb);
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}
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#ifdef ENABLE_SWAPOUT
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if (IsVolume && DeviceExt->OpenHandleCount == 0)
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{
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VfatCheckForDismount(DeviceExt, FALSE);
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}
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#endif
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return Status;
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}
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/*
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* FUNCTION: Closes a file
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*/
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NTSTATUS
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VfatClose(
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PVFAT_IRP_CONTEXT IrpContext)
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{
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NTSTATUS Status;
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DPRINT("VfatClose(DeviceObject %p, Irp %p)\n", IrpContext->DeviceObject, IrpContext->Irp);
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if (IrpContext->DeviceObject == VfatGlobalData->DeviceObject)
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{
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DPRINT("Closing file system\n");
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IrpContext->Irp->IoStatus.Information = 0;
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return STATUS_SUCCESS;
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}
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if (!ExAcquireResourceExclusiveLite(&IrpContext->DeviceExt->DirResource, BooleanFlagOn(IrpContext->Flags, IRPCONTEXT_CANWAIT)))
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{
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return VfatMarkIrpContextForQueue(IrpContext);
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}
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Status = VfatCloseFile(IrpContext->DeviceExt, IrpContext->FileObject);
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ExReleaseResourceLite(&IrpContext->DeviceExt->DirResource);
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IrpContext->Irp->IoStatus.Information = 0;
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return Status;
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}
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/* EOF */
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