/*
 *  call-seq:
 *     iw.max_merge_docs = max_merge_docs -> max_merge_docs
 *
 *  Set the max_merge_docs parameter
 */
static VALUE
frt_iw_set_max_merge_docs(VALUE self, VALUE rval)
{
    IndexWriter *iw = (IndexWriter *)DATA_PTR(self);
    iw->config.max_merge_docs = FIX2INT(rval);
    return rval;
}