== sanity test 60c: unlink file when mds full ============ 17:18:44 (1786310324)
create 5000 files
 - open/close 498 (time 1786310339.30 total 10.00 last 49.80)
 - open/close 1144 (time 1786310349.32 total 20.02 last 64.50)
 - open/close 1724 (time 1786310359.34 total 30.04 last 57.87)
 - open/close 2288 (time 1786310369.34 total 40.04 last 56.39)
 - open/close 2890 (time 1786310379.34 total 50.04 last 60.19)
 - open/close 3432 (time 1786310389.35 total 60.04 last 54.18)
 - open/close 3930 (time 1786310399.35 total 70.05 last 49.78)
 - open/close 4533 (time 1786310409.36 total 80.06 last 60.23)
total: 5000 open/close in 87.88 seconds: 56.90 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786310421 ; total 0 ; last 0)
total: 5000 unlinks in 58 seconds: 86.206894 unlinks/second
fail_loc=0