== sanity test 60c: unlink file when mds full ============ 20:03:44 (1763341424)
create 5000 files
 - open/close 506 (time 1763341438.12 total 10.01 last 50.54)
 - open/close 983 (time 1763341448.13 total 20.02 last 47.68)
 - open/close 1455 (time 1763341458.13 total 30.02 last 47.19)
 - open/close 1895 (time 1763341468.13 total 40.02 last 43.99)
 - open/close 2341 (time 1763341478.13 total 50.02 last 44.59)
 - open/close 2768 (time 1763341488.13 total 60.02 last 42.70)
 - open/close 3209 (time 1763341498.15 total 70.04 last 44.01)
 - open/close 3659 (time 1763341508.20 total 80.09 last 44.79)
 - open/close 4123 (time 1763341518.20 total 90.09 last 46.38)
 - open/close 4570 (time 1763341528.21 total 100.10 last 44.68)
 - open/close 4950 (time 1763341538.22 total 110.11 last 37.97)
total: 5000 open/close in 111.44 seconds: 44.87 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1763341544 ; total 0 ; last 0)
total: 5000 unlinks in 75 seconds: 66.666664 unlinks/second
fail_loc=0