166 lines
4.4 KiB
C
166 lines
4.4 KiB
C
//+----------------------------------------------------------------------------
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//
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// Copyright (C) 1992, Microsoft Corporation.
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//
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// File: close.c
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//
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// Contents: This module implements the File Close and Cleanup routines for
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// the Dfs server.
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//
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// Functions: DfsFsdClose - FSD entry point for Close IRP
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// DfsFsdCleanup - FSD entry point for Cleanup IRP
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//
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//-----------------------------------------------------------------------------
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#include "dfsprocs.h"
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#include "attach.h"
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#include "dfswml.h"
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//
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// The local debug trace level
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//
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#define Dbg (DEBUG_TRACE_CLOSE)
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#ifdef ALLOC_PRAGMA
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#pragma alloc_text( PAGE, DfsFsdClose )
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#pragma alloc_text( PAGE, DfsFsdCleanup )
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#endif // ALLOC_PRAGMA
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//+-------------------------------------------------------------------
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//
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// Function: DfsFsdClose, public
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//
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// Synopsis: This routine implements the FSD part of closing down the
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// last reference to a file object.
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//
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// Arguments: [DeviceObject] -- Supplies the device object where the
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// file being closed exists
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// [Irp] - Supplies the Irp being processed
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//
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// Returns: NTSTATUS - The FSD status for the IRP
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//
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//--------------------------------------------------------------------
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NTSTATUS
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DfsFsdClose (
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp
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) {
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PIO_STACK_LOCATION IrpSp = IoGetCurrentIrpStackLocation( Irp );
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PFILE_OBJECT FileObject = IrpSp->FileObject;
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NTSTATUS Status;
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DebugTrace(+1, Dbg, "DfsFsdClose: Entered\n", 0);
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DFS_TRACE_HIGH(TRACE_IRP, DfsFsdClose_Entry,
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LOGPTR(FileObject)
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LOGPTR(Irp));
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if (DeviceObject->DeviceType == FILE_DEVICE_DFS_VOLUME) {
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PDFS_FCB fcb;
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fcb = DfsLookupFcb( IrpSp->FileObject );
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if (fcb != NULL) {
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DfsDetachFcb( IrpSp->FileObject, fcb );
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DfsDestroyFcb( fcb );
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}
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}
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if (DeviceObject->DeviceType == FILE_DEVICE_DFS_VOLUME ||
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DeviceObject->DeviceType == FILE_DEVICE_DISK_FILE_SYSTEM) {
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Status = DfsVolumePassThrough(DeviceObject, Irp);
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DebugTrace(-1, Dbg, "DfsFsdClose: Pass Through Exit %08lx\n", ULongToPtr( Status ));
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return Status;
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}
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ASSERT(DeviceObject->DeviceType == FILE_DEVICE_DFS_FILE_SYSTEM);
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ASSERT(IrpSp->FileObject->FsContext == UIntToPtr( DFS_OPEN_CONTEXT ));
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Status = STATUS_SUCCESS;
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DebugTrace(-1, Dbg, "DfsFsdClose: Exit -> %08lx\n", ULongToPtr( Status ));
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DfsCompleteRequest( Irp, Status );
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DFS_TRACE_HIGH(TRACE_IRP, DfsFsdClose_Exit,
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LOGSTATUS(Status)
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LOGPTR(FileObject)
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LOGPTR(Irp));
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return Status;
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}
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//+-------------------------------------------------------------------
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//
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// Function: DfsFsdCleanup, public
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//
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// Synopsis: This routine implements the FSD part of closing down the
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// last user handle to a file object.
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//
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// Arguments: [DeviceObject] -- Supplies the device object where the
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// file being closed exists
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// [Irp] - Supplies the Irp being processed
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//
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// Returns: NTSTATUS - The FSD status for the IRP
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//
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//--------------------------------------------------------------------
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NTSTATUS
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DfsFsdCleanup (
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp
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) {
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PIO_STACK_LOCATION IrpSp = IoGetCurrentIrpStackLocation( Irp );
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PFILE_OBJECT FileObject = IrpSp->FileObject;
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NTSTATUS Status;
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DebugTrace(+1, Dbg, "DfsFsdCleanup: Entered\n", 0);
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DFS_TRACE_HIGH(TRACE_IRP, DfsFsdCleanup_Entry,
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LOGPTR(FileObject)
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LOGPTR(Irp));
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if (DeviceObject->DeviceType == FILE_DEVICE_DFS_VOLUME ||
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DeviceObject->DeviceType == FILE_DEVICE_DISK_FILE_SYSTEM) {
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Status = DfsVolumePassThrough(DeviceObject, Irp);
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DebugTrace(-1, Dbg, "DfsFsdCleanup: Pass Through Exit %08lx\n", ULongToPtr( Status ));
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return Status;
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}
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ASSERT(DeviceObject->DeviceType == FILE_DEVICE_DFS_FILE_SYSTEM);
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ASSERT(IrpSp->FileObject->FsContext == UIntToPtr( DFS_OPEN_CONTEXT ));
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Status = STATUS_SUCCESS;
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DebugTrace(-1, Dbg, "DfsFsdCleanup: Exit -> %08lx\n", ULongToPtr( Status ));
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DfsCompleteRequest( Irp, Status );
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DFS_TRACE_HIGH(TRACE_IRP, DfsFsdCleanup_Exit,
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LOGSTATUS(Status)
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LOGPTR(FileObject)
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LOGPTR(Irp));
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return Status;
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}
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