== sanity test 60c: unlink file when mds full ============ 03:29:29 (1788593369)
create 5000 files
 - open/close 512 (time 1788593383.77 total 10.01 last 51.13)
 - open/close 1016 (time 1788593393.78 total 20.02 last 50.37)
 - open/close 1509 (time 1788593403.80 total 30.04 last 49.17)
 - open/close 1954 (time 1788593413.81 total 40.05 last 44.47)
 - open/close 2399 (time 1788593423.82 total 50.06 last 44.47)
 - open/close 2818 (time 1788593433.84 total 60.08 last 41.82)
 - open/close 3215 (time 1788593443.84 total 70.08 last 39.70)
 - open/close 3679 (time 1788593453.86 total 80.10 last 46.30)
 - open/close 4144 (time 1788593463.87 total 90.11 last 46.43)
 - open/close 4547 (time 1788593473.89 total 100.13 last 40.24)
total: 5000 open/close in 109.29 seconds: 45.75 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788593488 ; total 0 ; last 0)
total: 5000 unlinks in 83 seconds: 60.240963 unlinks/second
fail_loc=0