== sanity test 60c: unlink file when mds full ============ 18:36:28 (1787697388)
create 5000 files
 - open/close 601 (time 1787697402.00 total 10.01 last 60.01)
 - open/close 1274 (time 1787697412.01 total 20.02 last 67.28)
 - open/close 1904 (time 1787697422.02 total 30.03 last 62.92)
 - open/close 2426 (time 1787697432.02 total 40.04 last 52.17)
 - open/close 3078 (time 1787697442.03 total 50.04 last 65.17)
 - open/close 3519 (time 1787697452.03 total 60.04 last 44.09)
 - open/close 4017 (time 1787697462.03 total 70.04 last 49.80)
 - open/close 4460 (time 1787697472.05 total 80.06 last 44.23)
 - open/close 4869 (time 1787697482.05 total 90.06 last 40.90)
total: 5000 open/close in 92.43 seconds: 54.10 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787697489 ; total 0 ; last 0)
total: 5000 unlinks in 67 seconds: 74.626869 unlinks/second
fail_loc=0