== sanity test 60c: unlink file when mds full ============ 13:12:40 (1783962760)
create 5000 files
 - open/close 366 (time 1783962775.56 total 10.02 last 36.53)
 - open/close 769 (time 1783962785.57 total 20.02 last 40.28)
 - open/close 1107 (time 1783962795.60 total 30.06 last 33.69)
 - open/close 1464 (time 1783962805.60 total 40.06 last 35.68)
 - open/close 1935 (time 1783962815.61 total 50.07 last 47.05)
 - open/close 2373 (time 1783962825.62 total 60.07 last 43.79)
 - open/close 2871 (time 1783962835.62 total 70.08 last 49.77)
 - open/close 3285 (time 1783962845.64 total 80.10 last 41.34)
 - open/close 3719 (time 1783962855.68 total 90.14 last 43.22)
 - open/close 4149 (time 1783962865.68 total 100.14 last 42.99)
 - open/close 4575 (time 1783962875.70 total 110.16 last 42.52)
 - open/close 4974 (time 1783962885.74 total 120.20 last 39.75)
total: 5000 open/close in 120.62 seconds: 41.45 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1783962891 ; total 0 ; last 0)
total: 5000 unlinks in 108 seconds: 46.296295 unlinks/second
fail_loc=0