super.setNext(next);
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.util.transport.Request#getCreditCost()
     */
    @Override
    public int getCreditCost() {
        return 1;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.util.transport.Request#setRequestCredits(int)
     */
    @Override

            CommonServerMessageBlockRequest chain = curHead;
            while (chain != null) {
                n++;
                final int size = chain.size();
                final int cost = chain.getCreditCost();
                final CommonServerMessageBlockRequest next = chain.getNext();
                if (log.isTraceEnabled()) {