@Override
    public void close() throws IOException {
        try {
            closeCurrentStream();
        } finally {
            try {
                if (currentRawStreamBuffer != null) {
                    currentRawStreamBuffer.close();
                    currentRawStreamBuffer = null;
                }
            } finally {
                super.close();
            }
        }
    }
Move back to last mark position.
stroom-data/stroom-data-store-impl-fs/src/main/java/stroom/data/store/impl/fs/BlockGZIPInput.java