== sanity test 60c: unlink file when mds full ============ 18:22:40 (1786400560)
create 5000 files
 - open/close 458 (time 1786400575.53 total 10.10 last 45.37)
 - open/close 886 (time 1786400585.54 total 20.10 last 42.77)
 - open/close 1379 (time 1786400595.54 total 30.11 last 49.27)
 - open/close 1925 (time 1786400605.56 total 40.13 last 54.48)
 - open/close 2448 (time 1786400615.57 total 50.14 last 52.26)
 - open/close 2959 (time 1786400625.59 total 60.16 last 51.00)
 - open/close 3512 (time 1786400635.61 total 70.18 last 55.19)
 - open/close 3998 (time 1786400645.62 total 80.19 last 48.53)
 - open/close 4529 (time 1786400655.64 total 90.20 last 53.04)
total: 5000 open/close in 99.41 seconds: 50.30 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786400669 ; total 0 ; last 0)
total: 5000 unlinks in 66 seconds: 75.757576 unlinks/second
fail_loc=0