== sanity test 60c: unlink file when mds full ============ 01:41:50 (1779687710)
create 5000 files
 - open/close 470 (time 1779687726.19 total 10.02 last 46.91)
 - open/close 996 (time 1779687736.20 total 20.03 last 52.54)
 - open/close 1519 (time 1779687746.21 total 30.04 last 52.23)
 - open/close 2035 (time 1779687756.22 total 40.05 last 51.58)
 - open/close 2521 (time 1779687766.22 total 50.05 last 48.59)
 - open/close 3039 (time 1779687776.22 total 60.05 last 51.79)
 - open/close 3530 (time 1779687786.23 total 70.06 last 49.06)
 - open/close 4024 (time 1779687796.24 total 80.07 last 49.35)
 - open/close 4524 (time 1779687806.25 total 90.08 last 49.94)
 - open/close 4917 (time 1779687816.28 total 100.11 last 39.21)
total: 5000 open/close in 102.40 seconds: 48.83 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1779687825 ; total 0 ; last 0)
total: 5000 unlinks in 75 seconds: 66.666664 unlinks/second
fail_loc=0