== sanity test 60c: unlink file when mds full ============ 21:39:13 (1775871553)
create 5000 files
 - open/close 672 (time 1775871568.92 total 10.02 last 67.05)
 - open/close 1268 (time 1775871578.93 total 20.03 last 59.55)
 - open/close 1798 (time 1775871588.93 total 30.04 last 52.96)
 - open/close 2448 (time 1775871598.94 total 40.05 last 64.94)
 - open/close 3041 (time 1775871608.96 total 50.07 last 59.18)
 - open/close 3547 (time 1775871618.97 total 60.07 last 50.58)
 - open/close 4009 (time 1775871628.98 total 70.09 last 46.13)
 - open/close 4480 (time 1775871638.99 total 80.09 last 47.09)
 - open/close 4997 (time 1775871649.00 total 90.10 last 51.65)
total: 5000 open/close in 90.17 seconds: 55.45 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1775871653 ; total 0 ; last 0)
total: 5000 unlinks in 74 seconds: 67.567566 unlinks/second
fail_loc=0