== sanity test 60c: unlink file when mds full ============ 00:07:23 (1788581243)
create 5000 files
 - open/close 420 (time 1788581258.41 total 10.02 last 41.93)
 - open/close 818 (time 1788581268.42 total 20.03 last 39.74)
 - open/close 1274 (time 1788581278.43 total 30.04 last 45.57)
 - open/close 1714 (time 1788581288.43 total 40.04 last 43.99)
 - open/close 2190 (time 1788581298.43 total 50.04 last 47.60)
 - open/close 2714 (time 1788581308.44 total 60.05 last 52.36)
 - open/close 3164 (time 1788581318.45 total 70.06 last 44.95)
 - open/close 3670 (time 1788581328.46 total 80.06 last 50.58)
 - open/close 4106 (time 1788581338.47 total 90.08 last 43.53)
 - open/close 4555 (time 1788581348.48 total 100.09 last 44.85)
total: 5000 open/close in 109.80 seconds: 45.54 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788581362 ; total 0 ; last 0)
total: 5000 unlinks in 82 seconds: 60.975609 unlinks/second
fail_loc=0