== sanity test 60c: unlink file when mds full ============ 05:52:44 (1787392364)
create 5000 files
 - open/close 555 (time 1787392379.05 total 10.01 last 55.44)
 - open/close 1110 (time 1787392389.06 total 20.02 last 55.45)
 - open/close 1652 (time 1787392399.06 total 30.02 last 54.18)
 - open/close 2222 (time 1787392409.06 total 40.02 last 57.00)
 - open/close 2779 (time 1787392419.06 total 50.03 last 55.69)
 - open/close 3260 (time 1787392429.07 total 60.03 last 48.07)
 - open/close 3687 (time 1787392439.07 total 70.03 last 42.70)
 - open/close 4109 (time 1787392449.08 total 80.04 last 42.16)
 - open/close 4578 (time 1787392459.09 total 90.05 last 46.86)
total: 5000 open/close in 97.91 seconds: 51.07 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787392471 ; total 0 ; last 0)
total: 5000 unlinks in 67 seconds: 74.626869 unlinks/second
fail_loc=0