== sanity test 60c: unlink file when mds full ============ 00:53:28 (1788843208)
create 5000 files
 - open/close 498 (time 1788843222.01 total 10.00 last 49.78)
 - open/close 1045 (time 1788843232.01 total 20.01 last 54.67)
 - open/close 1576 (time 1788843242.02 total 30.01 last 53.09)
 - open/close 2098 (time 1788843252.03 total 40.03 last 52.13)
 - open/close 2639 (time 1788843262.04 total 50.03 last 54.05)
 - open/close 3135 (time 1788843272.05 total 60.04 last 49.55)
 - open/close 3606 (time 1788843282.06 total 70.06 last 47.04)
 - open/close 4045 (time 1788843292.07 total 80.07 last 43.86)
 - open/close 4456 (time 1788843302.10 total 90.09 last 40.99)
 - open/close 4831 (time 1788843312.11 total 100.10 last 37.46)
total: 5000 open/close in 103.96 seconds: 48.09 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788843320 ; total 0 ; last 0)
total: 5000 unlinks in 70 seconds: 71.428574 unlinks/second
fail_loc=0