== sanity test 60c: unlink file when mds full ============ 23:15:43 (1786418143)
create 5000 files
 - open/close 356 (time 1786418160.29 total 10.01 last 35.55)
 - open/close 773 (time 1786418170.29 total 20.02 last 41.67)
 - open/close 1238 (time 1786418180.31 total 30.03 last 46.44)
 - open/close 1668 (time 1786418190.33 total 40.06 last 42.90)
 - open/close 2111 (time 1786418200.34 total 50.07 last 44.23)
 - open/close 2583 (time 1786418210.35 total 60.07 last 47.20)
 - open/close 3042 (time 1786418220.36 total 70.09 last 45.84)
 - open/close 3529 (time 1786418230.37 total 80.10 last 48.63)
 - open/close 3988 (time 1786418240.39 total 90.12 last 45.82)
 - open/close 4481 (time 1786418250.39 total 100.12 last 49.28)
total: 5000 open/close in 109.95 seconds: 45.48 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786418265 ; total 1 ; last 1)
total: 5000 unlinks in 81 seconds: 61.728394 unlinks/second
fail_loc=0