On Tue, Aug 15, 2006 at 09:06:23PM -0700, Jason Thorpe wrote:
> On Aug 15, 2006, at 4:09 PM, Christos Zoulas wrote:
> > There is another use of the fields: fsck uses them to compute the  
> > prototype
> > superblock. But it does not seem to break anything when you get rid  
> > of them.

How did you test this?  calcsb() is only ever called when the primary
superblock is trashed.  I.e. it is used to automatically find the
backup superblocks.

> In fact, how would fsck handle this if checking the file system on any  
> number of disk partition formats that do NOT support these fields?

Is this a trick question?  Do you really think anyone at Berkeley has
thought about this?

--chris