== sanity test 60c: unlink file when mds full ============ 19:30:36 (1789083036)
create 5000 files
 - open/close 437 (time 1789083053.21 total 10.00 last 43.69)
 - open/close 971 (time 1789083063.25 total 20.04 last 53.18)
 - open/close 1488 (time 1789083073.25 total 30.05 last 51.68)
 - open/close 2076 (time 1789083083.26 total 40.06 last 58.74)
 - open/close 2543 (time 1789083093.28 total 50.08 last 46.62)
 - open/close 3079 (time 1789083103.28 total 60.08 last 53.58)
 - open/close 3687 (time 1789083113.28 total 70.08 last 60.80)
 - open/close 4187 (time 1789083123.30 total 80.09 last 49.93)
 - open/close 4664 (time 1789083133.30 total 90.10 last 47.67)
total: 5000 open/close in 97.00 seconds: 51.55 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789083145 ; total 0 ; last 0)
total: 5000 unlinks in 63 seconds: 79.365082 unlinks/second
fail_loc=0