I'm mounting s3 using s3fs with the following command:
sudo /usr/local/bin/s3fs -o use_cache=/tmp,uid=1000,gid=1000,allow_other svn.domain.com /svn
Allow_other is confirmed to be working along with cache. However, no variation/different placement of the uid/gid's is having any affect in the meta data on S3. Both the uid and gid come up as '0' in S3. I have created a user called svn with uid of 1000 to see if that would fix the problem. No luck.