== sanity test 60c: unlink file when mds full ============ 04:30:15 (1779697815)
create 5000 files
 - open/close 442 (time 1779697829.19 total 10.01 last 44.17)
 - open/close 889 (time 1779697839.19 total 20.01 last 44.68)
 - open/close 1362 (time 1779697849.22 total 30.04 last 47.17)
 - open/close 1828 (time 1779697859.23 total 40.05 last 46.56)
 - open/close 2304 (time 1779697869.23 total 50.05 last 47.57)
 - open/close 2787 (time 1779697879.24 total 60.06 last 48.28)
 - open/close 3256 (time 1779697889.25 total 70.07 last 46.85)
 - open/close 3723 (time 1779697899.27 total 80.08 last 46.62)
 - open/close 4241 (time 1779697909.27 total 90.09 last 51.76)
 - open/close 4711 (time 1779697919.27 total 100.09 last 47.00)
total: 5000 open/close in 106.16 seconds: 47.10 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1779697929 ; total 0 ; last 0)
total: 5000 unlinks in 82 seconds: 60.975609 unlinks/second
fail_loc=0