Patch for Arla on Linux 2.3.39+

[Love]

Chris Wing <wingc at engin.umich.edu> writes:

> Hi. As of Linux 2.3.39, there are now 2 setgroups() system calls on Linux
> in some cases: one for 32-bit GIDs, and a backwards compatibility one for
> 16-bit GIDs. Arla needs to handle both of them to preserve PAGs properly.
> 
> The patch is here:
> 
> http://www.engin.umich.edu/caen/systems/Linux/code/misc/arla-uid32.diff
> 
> 
> It compiles, but I haven't gotten around to actually running Arla on 2.3
> yet... it's on my list of things to do.

Applied. Its doesn't work since they have changed inodeop readpage.

Love