== sanity test 60c: unlink file when mds full ============ 09:35:07 (1786800907)
create 5000 files
 - open/close 543 (time 1786800921.60 total 10.02 last 54.21)
 - open/close 1121 (time 1786800931.61 total 20.02 last 57.78)
 - open/close 1658 (time 1786800941.62 total 30.03 last 53.64)
 - open/close 2137 (time 1786800951.65 total 40.06 last 47.74)
 - open/close 2629 (time 1786800961.66 total 50.08 last 49.14)
 - open/close 3122 (time 1786800971.67 total 60.08 last 49.28)
 - open/close 3574 (time 1786800981.67 total 70.08 last 45.19)
 - open/close 4041 (time 1786800991.69 total 80.10 last 46.62)
 - open/close 4533 (time 1786801001.70 total 90.12 last 49.11)
 - open/close 4950 (time 1786801011.72 total 100.14 last 41.61)
total: 5000 open/close in 101.43 seconds: 49.29 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786801018 ; total 0 ; last 0)
total: 5000 unlinks in 76 seconds: 65.789474 unlinks/second
fail_loc=0