linux-imx

                   struct pipe_buffer *buf)

{

    struct rchan_buf *rbuf;

​

    rbuf = (struct rchan_buf *)page_private(buf->page);

    relay_consume_bytes(rbuf, buf->private);

}

​

static const struct pipe_buf_operations relay_pipe_buf_ops = {

    .confirm = generic_pipe_buf_confirm,

    .release = relay_pipe_buf_release,

    .steal = generic_pipe_buf_steal,

    .get = generic_pipe_buf_get,

};

​

static void relay_page_release(struct splice_pipe_desc *spd, unsigned int i)

{

}

​