== sanity test 60c: unlink file when mds full ============ 06:33:24 (1781606004)
create 5000 files
 - open/close 499 (time 1781606019.26 total 10.01 last 49.85)
 - open/close 966 (time 1781606029.28 total 20.04 last 46.57)
 - open/close 1430 (time 1781606039.30 total 30.05 last 46.34)
 - open/close 1932 (time 1781606049.32 total 40.07 last 50.11)
 - open/close 2370 (time 1781606059.32 total 50.07 last 43.79)
 - open/close 2820 (time 1781606069.33 total 60.08 last 44.96)
 - open/close 3293 (time 1781606079.34 total 70.09 last 47.25)
 - open/close 3748 (time 1781606089.37 total 80.13 last 45.34)
 - open/close 4211 (time 1781606099.38 total 90.14 last 46.26)
 - open/close 4667 (time 1781606109.42 total 100.17 last 45.43)
total: 5000 open/close in 108.30 seconds: 46.17 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1781606122 ; total 0 ; last 0)
total: 5000 unlinks in 76 seconds: 65.789474 unlinks/second
fail_loc=0