Function Ext2SetReparsePoint

Ext4Fsd/fsctl.c:1569–1746

}

NTSTATUS
Ext2SetReparsePoint (IN PEXT2_IRP_CONTEXT IrpContext)
{
    PIRP                Irp = NULL;
    PIO_STACK_LOCATION  IrpSp;

    PDEVICE_OBJECT      DeviceObject;

    PEXT2_VCB           Vcb = NULL;
    PEXT2_FCB           Fcb = NULL;
    PEXT2_CCB           Ccb = NULL;
    PEXT2_MCB           Mcb = NULL;

    NTSTATUS            Status = STATUS_UNSUCCESSFUL;
    
    PVOID               InputBuffer;
    ULONG               InputBufferLength;
    ULONG               BytesWritten = 0;

    PEXT2_FCB           ParentDcb = NULL;   /* Dcb of it's current parent */
    PEXT2_MCB           ParentMcb = NULL;

    PREPARSE_DATA_BUFFER RDB;

    UNICODE_STRING      UniName;
    OEM_STRING          OemName;
    
    PCHAR               OemNameBuffer = NULL;
    int                 OemNameLength = 0, i;

    BOOLEAN             MainResourceAcquired = FALSE;
    BOOLEAN             FcbLockAcquired = FALSE;

    __try {

        Ccb = IrpContext->Ccb;
        ASSERT(Ccb != NULL);
        ASSERT((Ccb->Identifier.Type == EXT2CCB) &&
               (Ccb->Identifier.Size == sizeof(EXT2_CCB)));
        DeviceObject = IrpContext->DeviceObject;
        Vcb = (PEXT2_VCB) DeviceObject->DeviceExtension;
        Fcb = IrpContext->Fcb;
        Mcb = Fcb->Mcb;
        Irp = IrpContext->Irp;
        IrpSp = IoGetCurrentIrpStackLocation(Irp);

        ExAcquireResourceExclusiveLite(&Vcb->FcbLock, TRUE);
        FcbLockAcquired = TRUE;

        ParentMcb = Mcb->Parent;
        ParentDcb = ParentMcb->Fcb;
        if (ParentDcb == NULL) {
            ParentDcb = Ext2AllocateFcb(Vcb, ParentMcb);
        }
        if (ParentDcb) {
            Ext2ReferXcb(&ParentDcb->ReferenceCount);
        }