block device driver

基本解釋

The CD-ROM driver is another block device and provides a similar set of functions to the SCSI disk driver.
ROM 驅動器是另一種塊設備并為SCSI 磁盤驅動器提供類似的函數集。
The Network Block Device driver offers an access model that simulates a local block device by accessing the resource of remote server.
網絡塊設備的概念是把網絡訪問的遠程資源虛擬成一個本地塊設備。
When accounting Pioneer-net card a block device, the device driver can transmit data between user address space and kernel address space.
如果將先鋒網卡視作塊設備，設備驅動程序可以在用戶地址空間和內核地址空間之間傳輸數據；