cleanup.c File Reference

#include "ntfs.h"
#include <debug.h>

Include dependency graph for cleanup.c:

Go to the source code of this file.

Macros
#define	NDEBUG

Functions
NTSTATUS	NtfsCleanupFile (PDEVICE_EXTENSION DeviceExt, PFILE_OBJECT FileObject, BOOLEAN CanWait)
NTSTATUS	NtfsCleanup (PNTFS_IRP_CONTEXT IrpContext)

Macro Definition Documentation

NDEBUG

#define NDEBUG

Definition at line 31 of file cleanup.c.

Function Documentation

NtfsCleanup()

NTSTATUS NtfsCleanup

(

PNTFS_IRP_CONTEXT

IrpContext

)

Definition at line 89 of file cleanup.c.

{
    PDEVICE_EXTENSION DeviceExtension;
    PFILE_OBJECT FileObject;
    NTSTATUS Status;
    PDEVICE_OBJECT DeviceObject;

    DPRINT("NtfsCleanup() called\n");

    DeviceObject = IrpContext->DeviceObject;
    if (DeviceObject == NtfsGlobalData->DeviceObject)
    {
        DPRINT("Cleaning up 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 = NtfsCleanupFile(DeviceExtension, FileObject, BooleanFlagOn(IrpContext->Flags, IRPCONTEXT_CANWAIT));

    ExReleaseResourceLite(&DeviceExtension->DirResource);

    if (Status == STATUS_PENDING)
    {
        return NtfsMarkIrpContextForQueue(IrpContext);
    }

    IrpContext->Irp->IoStatus.Information = 0;
    return Status;
}

Referenced by NtfsDispatch().

NtfsCleanupFile()

NTSTATUS NtfsCleanupFile	(	PDEVICE_EXTENSION	DeviceExt,
		PFILE_OBJECT	FileObject,
		BOOLEAN	CanWait
	)

Definition at line 40 of file cleanup.c.

{
    PNTFS_FCB Fcb;

    DPRINT("NtfsCleanupFile(DeviceExt %p, FileObject %p, CanWait %u)\n",
           DeviceExt,
           FileObject,
           CanWait);

    Fcb = (PNTFS_FCB)(FileObject->FsContext);
    if (!Fcb)
        return STATUS_SUCCESS;

    if (Fcb->Flags & FCB_IS_VOLUME)
    {
        Fcb->OpenHandleCount--;

        if (Fcb->OpenHandleCount != 0)
        {
            // Remove share access when handled
        }
    }
    else
    {
        if (!ExAcquireResourceExclusiveLite(&Fcb->MainResource, CanWait))
        {
            return STATUS_PENDING;
        }

        Fcb->OpenHandleCount--;

        CcUninitializeCacheMap(FileObject, &Fcb->RFCB.FileSize, NULL);

        if (Fcb->OpenHandleCount != 0)
        {
            // Remove share access when handled
        }

        FileObject->Flags |= FO_CLEANUP_COMPLETE;

        ExReleaseResourceLite(&Fcb->MainResource);
    }

    return STATUS_SUCCESS;
}

Referenced by NtfsCleanup().