== sanity test 60c: unlink file when mds full ============ 17:40:25 (1763332825)
create 5000 files
 - open/close 485 (time 1763332838.80 total 10.00 last 48.49)
 - open/close 991 (time 1763332848.82 total 20.01 last 50.54)
 - open/close 1476 (time 1763332858.83 total 30.03 last 48.43)
 - open/close 1969 (time 1763332868.83 total 40.03 last 49.28)
 - open/close 2438 (time 1763332878.84 total 50.04 last 46.85)
 - open/close 2942 (time 1763332888.86 total 60.06 last 50.33)
 - open/close 3445 (time 1763332898.88 total 70.07 last 50.21)
 - open/close 3922 (time 1763332908.89 total 80.09 last 47.64)
 - open/close 4404 (time 1763332918.89 total 90.09 last 48.19)
 - open/close 4837 (time 1763332928.89 total 100.09 last 43.29)
total: 5000 open/close in 103.81 seconds: 48.16 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1763332936 ; total 0 ; last 0)
total: 5000 unlinks in 79 seconds: 63.291138 unlinks/second
fail_loc=0