== sanity test 60c: unlink file when mds full ============ 10:45:02 (1775832302)
create 5000 files
 - open/close 574 (time 1775832316.51 total 10.00 last 57.38)
 - open/close 1102 (time 1775832326.53 total 20.03 last 52.67)
 - open/close 1685 (time 1775832336.54 total 30.03 last 58.28)
 - open/close 2149 (time 1775832346.55 total 40.04 last 46.36)
 - open/close 2707 (time 1775832356.55 total 50.05 last 55.77)
 - open/close 3261 (time 1775832366.56 total 60.05 last 55.37)
 - open/close 3768 (time 1775832376.57 total 70.07 last 50.62)
 - open/close 4290 (time 1775832386.58 total 80.07 last 52.18)
 - open/close 4806 (time 1775832396.59 total 90.08 last 51.55)
total: 5000 open/close in 93.68 seconds: 53.37 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1775832404 ; total 0 ; last 0)
total: 5000 unlinks in 65 seconds: 76.923080 unlinks/second
fail_loc=0