cvs commit: src/sbin/growfs debug.c debug.h

Nate Lawson nate at
Thu Aug 14 13:27:18 PDT 2003

On Thu, 14 Aug 2003, Lukas Ertl wrote:
> On Thu, 14 Aug 2003, Nate Lawson wrote:
> > On Thu, 14 Aug 2003, Robert Watson wrote:
> > >   Modified files:
> > >     sbin/growfs          debug.c debug.h
> > >   Log:
> > >   Commit 1 of 2 to fix ffsinfo(8) for UFS2.
> >
> > Nice.  I have been working on UFS2 support for growfs so if you have any
> > work in that area, let me know.  Most of it is sblock-related.
> I wasn't aware that growfs has issues with UFS2.  What are the problems?

The number one problem is the code sucks.  No one is willing to maintain
it because of this.

The number two problem is that not enough testing has been done with
growfs on UFS2.  Feel free to do this and report any problems.

The actual problem I am addressing is larger than growfs.  Basically, any
time a sblock change is made, every UFS utility in the system has to be
updated and growfs has not kept up.  So I have extracted sblock updating
into a routine that is shared between the kernel and userland so that it's
only in one place in the code.  But more work is needed before it can be


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