== sanity test 60c: unlink file when mds full ============ 21:47:30 (1787190450)
create 5000 files
 - open/close 632 (time 1787190465.73 total 10.01 last 63.15)
 - open/close 1205 (time 1787190475.75 total 20.03 last 57.20)
 - open/close 1804 (time 1787190485.76 total 30.03 last 59.85)
 - open/close 2417 (time 1787190495.76 total 40.04 last 61.28)
 - open/close 2995 (time 1787190505.78 total 50.06 last 57.70)
 - open/close 3580 (time 1787190515.79 total 60.07 last 58.42)
 - open/close 4133 (time 1787190525.80 total 70.08 last 55.26)
 - open/close 4734 (time 1787190535.81 total 80.09 last 60.01)
total: 5000 open/close in 85.14 seconds: 58.72 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787190545 ; total 0 ; last 0)
total: 5000 unlinks in 63 seconds: 79.365082 unlinks/second
fail_loc=0