== sanity test 60c: unlink file when mds full ============ 14:04:09 (1782756249)
create 5000 files
 - open/close 693 (time 1782756263.36 total 10.01 last 69.24)
 - open/close 1207 (time 1782756273.38 total 20.02 last 51.31)
 - open/close 1777 (time 1782756283.39 total 30.03 last 56.97)
 - open/close 2325 (time 1782756293.39 total 40.03 last 54.80)
 - open/close 2851 (time 1782756303.40 total 50.04 last 52.54)
 - open/close 3395 (time 1782756313.42 total 60.07 last 54.26)
 - open/close 3924 (time 1782756323.45 total 70.09 last 52.78)
 - open/close 4467 (time 1782756333.50 total 80.14 last 54.01)
total: 5000 open/close in 89.38 seconds: 55.94 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1782756346 ; total 0 ; last 0)
total: 5000 unlinks in 87 seconds: 57.471264 unlinks/second
fail_loc=0