== sanity test 60c: unlink file when mds full ============ 12:23:58 (1780331038)
create 5000 files
 - open/close 388 (time 1780331053.29 total 10.01 last 38.77)
 - open/close 795 (time 1780331063.30 total 20.02 last 40.66)
 - open/close 1184 (time 1780331073.33 total 30.05 last 38.77)
 - open/close 1609 (time 1780331083.34 total 40.05 last 42.49)
 - open/close 1995 (time 1780331093.35 total 50.07 last 38.54)
 - open/close 2370 (time 1780331103.36 total 60.08 last 37.47)
 - open/close 2723 (time 1780331113.37 total 70.09 last 35.26)
 - open/close 3106 (time 1780331123.39 total 80.10 last 38.24)
 - open/close 3476 (time 1780331133.40 total 90.12 last 36.96)
 - open/close 3890 (time 1780331143.41 total 100.13 last 41.36)
 - open/close 4302 (time 1780331153.44 total 110.16 last 41.07)
 - open/close 4677 (time 1780331163.47 total 120.18 last 37.41)
total: 5000 open/close in 129.32 seconds: 38.67 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1780331177 ; total 0 ; last 0)
total: 5000 unlinks in 92 seconds: 54.347828 unlinks/second
fail_loc=0