Re: nfsd bugfixes

[Neil Brown]

On Monday November 12, bfields@xxxxxxxxxxxxxx wrote:
> The following two patches are nfsd bugfixes that I believe are
> appropriate for 2.6.24 and 2.6.23.y.
> 
> --b.
> 

Both
  Reviewed-By: NeilBrown <neilb@xxxxxxx>

Calling nfsd_setuser an extra time does open us up for a very tiny
possibility of an ENOMEM at an awkward time.
We could remove that entirely for NFSEXP_ALLSQUASH by allocating an
empty group_info at export time and just using a reference to that.
It would be more awkward to pre-allocate for the NFSEXP_ROOTSQUASH
case as the group_info has to be at least as big as the one in the RPC
request, and would could need a different one of each concurrent
request.... not sure if that is worth "fixing".

Thanks,
NeilBrown
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