== sanity test 60c: unlink file when mds full ============ 14:17:02 (1775758622)
create 5000 files
 - open/close 400 (time 1775758637.27 total 10.00 last 40.00)
 - open/close 818 (time 1775758647.29 total 20.02 last 41.73)
 - open/close 1206 (time 1775758657.30 total 30.03 last 38.74)
 - open/close 1599 (time 1775758667.32 total 40.05 last 39.23)
 - open/close 1979 (time 1775758677.34 total 50.07 last 37.91)
 - open/close 2342 (time 1775758687.34 total 60.07 last 36.30)
 - open/close 2675 (time 1775758697.35 total 70.08 last 33.28)
 - open/close 2996 (time 1775758707.36 total 80.09 last 32.07)
 - open/close 3325 (time 1775758717.39 total 90.11 last 32.82)
 - open/close 3664 (time 1775758727.41 total 100.14 last 33.82)
 - open/close 3992 (time 1775758737.41 total 110.14 last 32.79)
 - open/close 4342 (time 1775758747.44 total 120.17 last 34.90)
 - open/close 4700 (time 1775758757.45 total 130.18 last 35.78)
total: 5000 open/close in 138.49 seconds: 36.10 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1775758771 ; total 0 ; last 0)
total: 5000 unlinks in 97 seconds: 51.546391 unlinks/second
fail_loc=0