== sanity test 60c: unlink file when mds full ============ 22:28:31 (1787884111)
create 5000 files
 - open/close 471 (time 1787884125.46 total 10.02 last 46.99)
 - open/close 955 (time 1787884135.48 total 20.04 last 48.33)
 - open/close 1397 (time 1787884145.49 total 30.05 last 44.14)
 - open/close 1843 (time 1787884155.50 total 40.06 last 44.58)
 - open/close 2300 (time 1787884165.51 total 50.06 last 45.67)
 - open/close 2751 (time 1787884175.53 total 60.09 last 44.97)
 - open/close 3146 (time 1787884185.55 total 70.11 last 39.43)
 - open/close 3482 (time 1787884195.57 total 80.13 last 33.53)
 - open/close 3848 (time 1787884205.57 total 90.13 last 36.60)
 - open/close 4248 (time 1787884215.58 total 100.13 last 39.99)
 - open/close 4685 (time 1787884225.59 total 110.14 last 43.65)
total: 5000 open/close in 117.41 seconds: 42.59 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787884237 ; total 0 ; last 0)
total: 5000 unlinks in 79 seconds: 63.291138 unlinks/second
fail_loc=0