== sanity test 60c: unlink file when mds full ============ 13:11:39 (1783962699)
create 5000 files
 - open/close 506 (time 1783962713.14 total 10.00 last 50.58)
 - open/close 1009 (time 1783962723.14 total 20.01 last 50.29)
 - open/close 1537 (time 1783962733.15 total 30.01 last 52.77)
 - open/close 2128 (time 1783962743.16 total 40.02 last 59.04)
 - open/close 2723 (time 1783962753.17 total 50.03 last 59.44)
 - open/close 3358 (time 1783962763.18 total 60.05 last 63.42)
 - open/close 3938 (time 1783962773.19 total 70.05 last 57.96)
 - open/close 4541 (time 1783962783.20 total 80.06 last 60.28)
total: 5000 open/close in 87.93 seconds: 56.86 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1783962794 ; total 0 ; last 0)
total: 5000 unlinks in 62 seconds: 80.645164 unlinks/second
fail_loc=0