mirror of
https://github.com/reactos/reactos.git
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110 lines
2.6 KiB
C
110 lines
2.6 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/fs/vfat/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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#define NDEBUG
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#include "vfat.h"
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/* FUNCTIONS ****************************************************************/
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NTSTATUS
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VfatCloseFile (PDEVICE_EXTENSION DeviceExt, PFILE_OBJECT FileObject)
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/*
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* FUNCTION: Closes a file
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*/
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{
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PVFATFCB pFcb;
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PVFATCCB pCcb;
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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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if (pFcb->Flags & FCB_IS_VOLUME)
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{
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DPRINT1("Volume\n");
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pFcb->RefCount--;
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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 (FileObject->DeletePending)
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{
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if (pFcb->Flags & FCB_DELETE_PENDING)
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{
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VfatDelEntry (DeviceExt, pFcb);
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}
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else
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{
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Status = STATUS_DELETE_PENDING;
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}
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}
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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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return Status;
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}
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NTSTATUS VfatClose (PVFAT_IRP_CONTEXT IrpContext)
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/*
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* FUNCTION: Closes a file
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*/
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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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Status = STATUS_SUCCESS;
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goto ByeBye;
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}
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#if 0
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/* There occurs a dead look at the call to CcRosDeleteFileCache/ObDereferenceObject/VfatClose
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in CmLazyCloseThreadMain if VfatClose is execute asynchronous in a worker thread. */
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if (!ExAcquireResourceExclusiveLite (&IrpContext->DeviceExt->DirResource, IrpContext->Flags & IRPCONTEXT_CANWAIT))
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#else
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if (!ExAcquireResourceExclusiveLite (&IrpContext->DeviceExt->DirResource, TRUE))
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#endif
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{
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return VfatQueueRequest (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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ByeBye:
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IrpContext->Irp->IoStatus.Status = Status;
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IrpContext->Irp->IoStatus.Information = 0;
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IoCompleteRequest (IrpContext->Irp, IO_NO_INCREMENT);
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VfatFreeIrpContext(IrpContext);
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return (Status);
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}
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/* EOF */
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