== sanity test 60c: unlink file when mds full ============ 10:40:44 (1772466044)
create 5000 files
 - open/close 383 (time 1772466059.43 total 10.02 last 38.24)
 - open/close 698 (time 1772466069.47 total 20.06 last 31.37)
 - open/close 1060 (time 1772466079.49 total 30.08 last 36.12)
 - open/close 1531 (time 1772466089.49 total 40.08 last 47.10)
 - open/close 1946 (time 1772466099.50 total 50.09 last 41.46)
 - open/close 2352 (time 1772466109.51 total 60.10 last 40.54)
 - open/close 2851 (time 1772466119.54 total 70.13 last 49.75)
 - open/close 3346 (time 1772466129.55 total 80.14 last 49.46)
 - open/close 3783 (time 1772466139.56 total 90.15 last 43.65)
 - open/close 4208 (time 1772466149.57 total 100.16 last 42.47)
 - open/close 4667 (time 1772466159.58 total 110.17 last 45.83)
total: 5000 open/close in 117.34 seconds: 42.61 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1772466171 ; total 0 ; last 0)
total: 5000 unlinks in 85 seconds: 58.823528 unlinks/second
fail_loc=0