== sanity test 60c: unlink file when mds full ============ 02:16:54 (1786169814)
create 5000 files
 - open/close 400 (time 1786169830.82 total 10.01 last 39.98)
 - open/close 764 (time 1786169840.83 total 20.02 last 36.34)
 - open/close 1151 (time 1786169850.84 total 30.03 last 38.67)
 - open/close 1579 (time 1786169860.85 total 40.04 last 42.77)
 - open/close 1999 (time 1786169870.85 total 50.04 last 41.98)
 - open/close 2444 (time 1786169880.86 total 60.05 last 44.47)
 - open/close 2893 (time 1786169890.87 total 70.06 last 44.85)
 - open/close 3318 (time 1786169900.89 total 80.08 last 42.40)
 - open/close 3746 (time 1786169910.90 total 90.08 last 42.79)
 - open/close 4177 (time 1786169920.90 total 100.09 last 43.07)
 - open/close 4608 (time 1786169930.91 total 110.10 last 43.05)
total: 5000 open/close in 119.55 seconds: 41.82 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786169945 ; total 0 ; last 0)
total: 5000 unlinks in 93 seconds: 53.763439 unlinks/second
fail_loc=0