== sanity test 60c: unlink file when mds full ============ 09:18:34 (1787836714)
create 5000 files
 - open/close 574 (time 1787836728.53 total 10.01 last 57.34)
 - open/close 1183 (time 1787836738.55 total 20.02 last 60.82)
 - open/close 1703 (time 1787836748.56 total 30.03 last 51.95)
 - open/close 2230 (time 1787836758.57 total 40.04 last 52.65)
 - open/close 2672 (time 1787836768.57 total 50.05 last 44.18)
 - open/close 3169 (time 1787836778.59 total 60.06 last 49.61)
 - open/close 3756 (time 1787836788.60 total 70.07 last 58.66)
 - open/close 4346 (time 1787836798.60 total 80.08 last 58.96)
 - open/close 4876 (time 1787836808.61 total 90.08 last 52.99)
total: 5000 open/close in 92.32 seconds: 54.16 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787836815 ; total 0 ; last 0)
total: 5000 unlinks in 61 seconds: 81.967216 unlinks/second
fail_loc=0