In article <20051118075249.GT12021@snowdrop.l8s.co.uk>,
David Laight  <david@l8s.co.uk> wrote:
>On Thu, Nov 17, 2005 at 11:40:54PM +0100, Roland Illig wrote:
>> 
>> Please explain why the order of groups is important. I don't see it.
>
>When it has to be shortened because the NFS packets only have space
>for a small number of groups....

In that case instead of truncating the group list one should check
which groups are irrelevant to the operation and get rid of those.

christos