POSIX file system test suite


The unstable client (with all of the async metadata changes) is passing the full POSIX file system test suite again (modulo the question of whether chmod -1,-1 should be a no-op or update ctime).  We’re also surviving long dbench runs.  Progress!  I hope to push this all into the master branch after a bit more testing, do some benchmarking, and then do a new release.

I was happy to discover that the test suite has a real home now: