block device driver

基本解释

The CD-ROM driver is another block device and provides a similar set of functions to the SCSI disk driver.
ROM 驱动器是另一种块设备并为SCSI 磁盘驱动器提供类似的函数集。
The Network Block Device driver offers an access model that simulates a local block device by accessing the resource of remote server.
网络块设备的概念是把网络访问的远程资源虚拟成一个本地块设备。
When accounting Pioneer-net card a block device, the device driver can transmit data between user address space and kernel address space.
如果将先锋网卡视作块设备，设备驱动程序可以在用户地址空间和内核地址空间之间传输数据；