[Pvfs2-developers] patches: root squash exceptions

[Phil Carns]

This patch adds a new configuration parameter called 
"RootSquashExceptions".  It has the same value syntax as the existing 
RootSquash parameter, but it allows you to list hosts or subnets that 
are exempt from root squashing.

This is helpful if you want to root squash all clients (or at least a 
large set of them) but still allow root access from particular admin or 
power user clients.  That was possible before, but probably tedious 
unless the node you wanted to exclude just happened to fall in a 
convenient subnet.

-Phil
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