== sanity test 60c: unlink file when mds full ============ 13:58:35 (1781027915)
create 5000 files
 - open/close 423 (time 1781027929.03 total 10.01 last 42.24)
 - open/close 848 (time 1781027939.05 total 20.03 last 42.43)
 - open/close 1264 (time 1781027949.05 total 30.03 last 41.59)
 - open/close 1700 (time 1781027959.08 total 40.06 last 43.49)
 - open/close 2100 (time 1781027969.09 total 50.07 last 39.94)
 - open/close 2416 (time 1781027979.11 total 60.09 last 31.56)
 - open/close 2726 (time 1781027989.11 total 70.09 last 31.00)
 - open/close 3110 (time 1781027999.13 total 80.11 last 38.32)
 - open/close 3458 (time 1781028009.14 total 90.12 last 34.77)
 - open/close 3851 (time 1781028019.16 total 100.14 last 39.22)
 - open/close 4260 (time 1781028029.17 total 110.15 last 40.84)
 - open/close 4612 (time 1781028039.18 total 120.16 last 35.17)
 - open/close 4958 (time 1781028049.21 total 130.19 last 34.51)
total: 5000 open/close in 131.14 seconds: 38.13 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1781028056 ; total 0 ; last 0)
total: 5000 unlinks in 91 seconds: 54.945053 unlinks/second
fail_loc=0