Function rt_floppy_write

bsp/x86/drivers/floppy.c:304–310

position: block page address, not bytes address * buffer: * size : how many blocks */

 * size  : how many blocks
 */
static rt_ssize_t rt_floppy_write(rt_device_t device, rt_off_t position, const void *buffer, rt_size_t size)
{
    rt_mutex_take(&lock, RT_WAITING_FOREVER);
    panic("FIXME:I don't know how!\n");
    rt_mutex_release(&lock);
    return size;
}

static rt_err_t rt_floppy_control(rt_device_t dev, int cmd, void *args)
{