== sanity test 60c: unlink file when mds full ============ 05:20:29 (1778923229)
create 5000 files
 - open/close 472 (time 1778923243.20 total 10.02 last 47.12)
 - open/close 881 (time 1778923253.20 total 20.02 last 40.90)
 - open/close 1295 (time 1778923263.20 total 30.02 last 41.39)
 - open/close 1732 (time 1778923273.21 total 40.03 last 43.66)
 - open/close 2112 (time 1778923283.21 total 50.03 last 37.99)
 - open/close 2508 (time 1778923293.23 total 60.05 last 39.51)
 - open/close 2948 (time 1778923303.24 total 70.06 last 43.96)
 - open/close 3376 (time 1778923313.25 total 80.07 last 42.77)
 - open/close 3800 (time 1778923323.27 total 90.09 last 42.34)
 - open/close 4211 (time 1778923333.28 total 100.10 last 41.04)
 - open/close 4635 (time 1778923343.28 total 110.10 last 42.39)
total: 5000 open/close in 118.92 seconds: 42.05 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1778923356 ; total 0 ; last 0)
total: 5000 unlinks in 86 seconds: 58.139534 unlinks/second
fail_loc=0