On Mon, Apr 11, 2005 at 03:01:40PM -0400, Daniel Phillips wrote: > Here is a dumb question: Why does dmsetup use (start, length) for each > target line instead of just (length)? We decided to require this: (a) to make the tables more readable in their raw form (b) as additional validation against bugs > Is it useful to leave some parts > of a virtual device unmapped, and if so, why not require them to be > mapped explicitly to zero or error? They must be. Each line has to start where the previous one ended or you are supposed to get an error. Alasdair -- agk@xxxxxxxxxx