== sanity test 60c: unlink file when mds full ============ 18:41:28 (1781217688)
create 5000 files
 - open/close 426 (time 1781217703.14 total 10.02 last 42.54)
 - open/close 836 (time 1781217713.18 total 20.05 last 40.87)
 - open/close 1216 (time 1781217723.18 total 30.05 last 37.99)
 - open/close 1611 (time 1781217733.19 total 40.06 last 39.45)
 - open/close 2030 (time 1781217743.20 total 50.07 last 41.88)
 - open/close 2470 (time 1781217753.22 total 60.09 last 43.92)
 - open/close 2877 (time 1781217763.24 total 70.11 last 40.62)
 - open/close 3281 (time 1781217773.25 total 80.12 last 40.36)
 - open/close 3714 (time 1781217783.27 total 90.14 last 43.18)
 - open/close 4158 (time 1781217793.28 total 100.15 last 44.39)
 - open/close 4579 (time 1781217803.29 total 110.16 last 42.06)
 - open/close 4964 (time 1781217813.31 total 120.18 last 38.40)
total: 5000 open/close in 121.31 seconds: 41.22 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1781217819 ; total 0 ; last 0)
total: 5000 unlinks in 91 seconds: 54.945053 unlinks/second
fail_loc=0