(blk_dev[major].request_fn)) { printk("Trying to read nonexistent block-device\n\r");
(blk_dev[major].request_fn)) { printk("Trying to read nonexistent block-device\n\r");
# virsh domblkstat GuestName block-device 显示客户端网络设备信息 virsh domifstat 为运行的客户端显示网络接口统计
(blk_dev[major].request_fn)) { printk("Trying to read nonexistent block-device\n\r"); Although currently this is only for floppies, the idea is * that any additional removable block-device