== sanity test 60c: unlink file when mds full ============ 10:26:53 (1780324013)
create 5000 files
 - open/close 679 (time 1780324026.33 total 10.01 last 67.85)
 - open/close 1241 (time 1780324036.33 total 20.01 last 56.19)
 - open/close 1872 (time 1780324046.34 total 30.02 last 63.02)
 - open/close 2506 (time 1780324056.34 total 40.02 last 63.39)
 - open/close 3221 (time 1780324066.35 total 50.03 last 71.43)
 - open/close 3851 (time 1780324076.36 total 60.04 last 62.96)
 - open/close 4445 (time 1780324086.37 total 70.05 last 59.32)
total: 5000 open/close in 80.02 seconds: 62.48 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1780324099 ; total 0 ; last 0)
total: 5000 unlinks in 61 seconds: 81.967216 unlinks/second
fail_loc=0