== sanity test 60c: unlink file when mds full ============ 10:46:42 (1787582802)
create 5000 files
 - open/close 491 (time 1787582816.50 total 10.01 last 49.05)
 - open/close 902 (time 1787582826.51 total 20.01 last 41.09)
 - open/close 1386 (time 1787582836.52 total 30.03 last 48.33)
 - open/close 1860 (time 1787582846.52 total 40.03 last 47.38)
 - open/close 2367 (time 1787582856.53 total 50.04 last 50.68)
 - open/close 2953 (time 1787582866.54 total 60.05 last 58.52)
 - open/close 3502 (time 1787582876.56 total 70.07 last 54.79)
 - open/close 4015 (time 1787582886.57 total 80.07 last 51.27)
 - open/close 4422 (time 1787582896.60 total 90.11 last 40.55)
 - open/close 4981 (time 1787582906.62 total 100.13 last 55.81)
total: 5000 open/close in 100.40 seconds: 49.80 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787582910 ; total 0 ; last 0)
total: 5000 unlinks in 60 seconds: 83.333336 unlinks/second
fail_loc=0