== sanity test 60c: unlink file when mds full ============ 02:30:09 (1788762609)
create 5000 files
 - open/close 509 (time 1788762623.02 total 10.02 last 50.81)
 - open/close 956 (time 1788762633.02 total 20.02 last 44.70)
 - open/close 1382 (time 1788762643.04 total 30.04 last 42.51)
 - open/close 1831 (time 1788762653.05 total 40.05 last 44.85)
 - open/close 2229 (time 1788762663.08 total 50.08 last 39.70)
 - open/close 2654 (time 1788762673.08 total 60.08 last 42.49)
 - open/close 3088 (time 1788762683.10 total 70.09 last 43.33)
 - open/close 3471 (time 1788762693.11 total 80.10 last 38.27)
 - open/close 3887 (time 1788762703.13 total 90.13 last 41.49)
 - open/close 4282 (time 1788762713.15 total 100.14 last 39.44)
 - open/close 4574 (time 1788762723.15 total 110.15 last 29.18)
 - open/close 4974 (time 1788762733.16 total 120.16 last 39.97)
total: 5000 open/close in 120.64 seconds: 41.45 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788762738 ; total 0 ; last 0)
total: 5000 unlinks in 78 seconds: 64.102562 unlinks/second
fail_loc=0