== sanity test 60c: unlink file when mds full ============ 18:39:05 (1787697545)
create 5000 files
 - open/close 535 (time 1787697560.45 total 10.01 last 53.46)
 - open/close 1029 (time 1787697570.46 total 20.02 last 49.36)
 - open/close 1489 (time 1787697580.50 total 30.05 last 45.83)
 - open/close 1933 (time 1787697590.51 total 40.07 last 44.32)
 - open/close 2388 (time 1787697600.52 total 50.08 last 45.46)
 - open/close 2867 (time 1787697610.55 total 60.10 last 47.79)
 - open/close 3349 (time 1787697620.56 total 70.11 last 48.14)
 - open/close 3831 (time 1787697630.57 total 80.12 last 48.14)
 - open/close 4301 (time 1787697640.58 total 90.14 last 46.94)
 - open/close 4750 (time 1787697650.58 total 100.14 last 44.89)
total: 5000 open/close in 105.93 seconds: 47.20 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787697660 ; total 0 ; last 0)
total: 5000 unlinks in 83 seconds: 60.240963 unlinks/second
fail_loc=0