== sanity test 60c: unlink file when mds full ============ 00:59:45 (1787115585)
create 5000 files
 - open/close 369 (time 1787115601.28 total 10.01 last 36.87)
 - open/close 755 (time 1787115611.28 total 20.01 last 38.60)
 - open/close 1235 (time 1787115621.32 total 30.05 last 47.78)
 - open/close 1693 (time 1787115631.35 total 40.08 last 45.68)
 - open/close 2155 (time 1787115641.35 total 50.08 last 46.18)
 - open/close 2535 (time 1787115651.36 total 60.09 last 38.00)
 - open/close 2978 (time 1787115661.37 total 70.10 last 44.26)
 - open/close 3386 (time 1787115671.37 total 80.10 last 40.77)
 - open/close 3876 (time 1787115681.39 total 90.12 last 48.92)
 - open/close 4301 (time 1787115691.40 total 100.13 last 42.44)
 - open/close 4728 (time 1787115701.41 total 110.14 last 42.65)
total: 5000 open/close in 117.17 seconds: 42.67 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787115713 ; total 0 ; last 0)
total: 5000 unlinks in 83 seconds: 60.240963 unlinks/second
fail_loc=0