== sanity test 60c: unlink file when mds full ============ 16:22:12 (1787602932)
create 5000 files
 - open/close 584 (time 1787602946.83 total 10.04 last 58.18)
 - open/close 1002 (time 1787602956.84 total 20.05 last 41.75)
 - open/close 1404 (time 1787602966.85 total 30.06 last 40.15)
 - open/close 1877 (time 1787602976.87 total 40.08 last 47.21)
 - open/close 2372 (time 1787602986.88 total 50.09 last 49.46)
 - open/close 2879 (time 1787602996.89 total 60.10 last 50.64)
 - open/close 3394 (time 1787603006.89 total 70.10 last 51.50)
 - open/close 3881 (time 1787603016.89 total 80.11 last 48.68)
 - open/close 4367 (time 1787603026.90 total 90.11 last 48.59)
 - open/close 4886 (time 1787603036.90 total 100.11 last 51.86)
total: 5000 open/close in 102.41 seconds: 48.82 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787603043 ; total 0 ; last 0)
total: 5000 unlinks in 74 seconds: 67.567566 unlinks/second
fail_loc=0