== sanity test 60c: unlink file when mds full ============ 09:12:17 (1789132337)
create 5000 files
 - open/close 362 (time 1789132351.80 total 10.02 last 36.12)
 - open/close 749 (time 1789132361.84 total 20.07 last 38.53)
 - open/close 1132 (time 1789132371.86 total 30.08 last 38.23)
 - open/close 1597 (time 1789132381.87 total 40.09 last 46.46)
 - open/close 2015 (time 1789132391.89 total 50.11 last 41.72)
 - open/close 2517 (time 1789132401.92 total 60.14 last 50.06)
 - open/close 2950 (time 1789132411.93 total 70.15 last 43.25)
 - open/close 3326 (time 1789132421.94 total 80.16 last 37.57)
 - open/close 3709 (time 1789132431.95 total 90.17 last 38.26)
 - open/close 4163 (time 1789132441.95 total 100.17 last 45.40)
 - open/close 4560 (time 1789132451.95 total 110.18 last 39.68)
 - open/close 4930 (time 1789132461.97 total 120.19 last 36.95)
total: 5000 open/close in 122.32 seconds: 40.88 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789132469 ; total 0 ; last 0)
total: 5000 unlinks in 86 seconds: 58.139534 unlinks/second
fail_loc=0