== sanity test 60c: unlink file when mds full ============ 08:42:00 (1782218520)
create 5000 files
 - open/close 465 (time 1782218533.60 total 10.01 last 46.46)
 - open/close 959 (time 1782218543.61 total 20.02 last 49.36)
 - open/close 1398 (time 1782218553.62 total 30.02 last 43.88)
 - open/close 1852 (time 1782218563.63 total 40.04 last 45.32)
 - open/close 2282 (time 1782218573.65 total 50.05 last 42.93)
 - open/close 2701 (time 1782218583.66 total 60.07 last 41.85)
 - open/close 3146 (time 1782218593.67 total 70.07 last 44.47)
 - open/close 3570 (time 1782218603.68 total 80.09 last 42.35)
 - open/close 3982 (time 1782218613.68 total 90.09 last 41.19)
 - open/close 4417 (time 1782218623.70 total 100.10 last 43.45)
 - open/close 4871 (time 1782218633.73 total 110.14 last 45.23)
total: 5000 open/close in 113.40 seconds: 44.09 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1782218641 ; total 0 ; last 0)
total: 5000 unlinks in 88 seconds: 56.818180 unlinks/second
fail_loc=0