[cs615asa] Questions about HW 5

[Jan Schaumann]

Xiakun Lu <xlu9 at stevens.edu> wrote:
 
> Do we need to consider restoration? If we wrote file to a block device
> use tar and dd, we can not know the file size. So the file size need
> to be wrote in the block device first.

You do not need to record the size of the data you're writing.  You can
restore from the device without knowing the size.  This may not be
efficient, since when restoring you might need to read the entire
device, but adding a size record would complicate this assignment
needlessly.

-Jan