== sanity test 60c: unlink file when mds full ============ 13:12:56 (1783962776)
create 5000 files
 - open/close 534 (time 1783962791.43 total 10.01 last 53.35)
 - open/close 926 (time 1783962801.44 total 20.02 last 39.18)
 - open/close 1576 (time 1783962811.44 total 30.02 last 64.97)
 - open/close 2169 (time 1783962821.45 total 40.03 last 59.23)
 - open/close 2811 (time 1783962831.46 total 50.04 last 64.17)
 - open/close 3459 (time 1783962841.48 total 60.06 last 64.68)
 - open/close 4062 (time 1783962851.49 total 70.07 last 60.24)
 - open/close 4653 (time 1783962861.50 total 80.08 last 59.01)
total: 5000 open/close in 85.07 seconds: 58.78 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1783962871 ; total 0 ; last 0)
total: 5000 unlinks in 73 seconds: 68.493149 unlinks/second
fail_loc=0