== sanity test 60c: unlink file when mds full ============ 14:32:48 (1788201168)
create 5000 files
 - open/close 572 (time 1788201183.60 total 10.02 last 57.07)
 - open/close 1059 (time 1788201193.63 total 20.05 last 48.58)
 - open/close 1559 (time 1788201203.65 total 30.07 last 49.91)
 - open/close 2129 (time 1788201213.65 total 40.07 last 56.97)
 - open/close 2657 (time 1788201223.67 total 50.09 last 52.71)
 - open/close 3198 (time 1788201233.67 total 60.09 last 54.07)
 - open/close 3721 (time 1788201243.67 total 70.09 last 52.29)
 - open/close 4252 (time 1788201253.68 total 80.10 last 53.06)
 - open/close 4780 (time 1788201263.70 total 90.12 last 52.73)
total: 5000 open/close in 94.30 seconds: 53.02 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788201272 ; total 0 ; last 0)
total: 5000 unlinks in 67 seconds: 74.626869 unlinks/second
fail_loc=0