== sanity test 60c: unlink file when mds full ============ 13:07:11 (1790096831)
create 5000 files
 - open/close 454 (time 1790096846.22 total 10.00 last 45.38)
 - open/close 917 (time 1790096856.22 total 20.01 last 46.29)
 - open/close 1401 (time 1790096866.24 total 30.03 last 48.30)
 - open/close 1837 (time 1790096876.25 total 40.04 last 43.55)
 - open/close 2252 (time 1790096886.27 total 50.06 last 41.42)
 - open/close 2691 (time 1790096896.28 total 60.07 last 43.84)
 - open/close 3076 (time 1790096906.30 total 70.09 last 38.42)
 - open/close 3472 (time 1790096916.32 total 80.10 last 39.55)
 - open/close 3896 (time 1790096926.33 total 90.11 last 42.36)
 - open/close 4268 (time 1790096936.33 total 100.12 last 37.18)
 - open/close 4661 (time 1790096946.33 total 110.12 last 39.28)
total: 5000 open/close in 118.88 seconds: 42.06 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1790096959 ; total 0 ; last 0)
total: 5000 unlinks in 84 seconds: 59.523811 unlinks/second
fail_loc=0