== sanity test 60c: unlink file when mds full ============ 23:05:49 (1769054749)
create 5000 files
 - open/close 1094 (time 1769054761.17 total 10.00 last 109.35)
 - open/close 2141 (time 1769054771.17 total 20.00 last 104.70)
 - open/close 3339 (time 1769054781.17 total 30.01 last 119.74)
 - open/close 4468 (time 1769054791.18 total 40.01 last 112.89)
total: 5000 open/close in 44.71 seconds: 111.83 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1769054797 ; total 0 ; last 0)
total: 5000 unlinks in 20 seconds: 250.000000 unlinks/second
fail_loc=0