== sanity test 60c: unlink file when mds full ============ 09:28:51 (1787837331)
create 5000 files
 - open/close 506 (time 1787837347.12 total 10.01 last 50.56)
 - open/close 1017 (time 1787837357.15 total 20.04 last 50.96)
 - open/close 1467 (time 1787837367.16 total 30.04 last 44.96)
 - open/close 1908 (time 1787837377.16 total 40.05 last 44.09)
 - open/close 2333 (time 1787837387.18 total 50.06 last 42.42)
 - open/close 2775 (time 1787837397.18 total 60.07 last 44.19)
 - open/close 3206 (time 1787837407.21 total 70.10 last 42.95)
 - open/close 3587 (time 1787837417.23 total 80.11 last 38.05)
 - open/close 4050 (time 1787837427.23 total 90.12 last 46.27)
 - open/close 4497 (time 1787837437.25 total 100.14 last 44.62)
 - open/close 4890 (time 1787837447.25 total 110.14 last 39.29)
total: 5000 open/close in 112.85 seconds: 44.31 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787837454 ; total 0 ; last 0)
total: 5000 unlinks in 81 seconds: 61.728394 unlinks/second
fail_loc=0