On (12/08/16 11:17), Cory Pruce wrote:
> Just wondering if it was really necessary to use the disk struct. It seems
> like the struct is more used for record keeping/io config than actually
> holding the data (actual data is worked with via page operations).
>
> Is this correct? What was the main need to use the data structure? I see
> that the one and only partition is used for io acct but this seems more
> nice to have to me than truly necessary being that this isn't an actual
> peripheral.
because we want to have an actual block device with disk capacity,
device IO request queue and so no.
-ss
