== sanity test 60c: unlink file when mds full ============ 01:59:18 (1772175558)
create 5000 files
 - open/close 388 (time 1772175573.18 total 10.02 last 38.73)
 - open/close 779 (time 1772175583.19 total 20.03 last 39.07)
 - open/close 1334 (time 1772175593.19 total 30.03 last 55.46)
 - open/close 1846 (time 1772175603.20 total 40.04 last 51.16)
 - open/close 2495 (time 1772175613.21 total 50.05 last 64.82)
 - open/close 3117 (time 1772175623.22 total 60.06 last 62.15)
 - open/close 3632 (time 1772175633.24 total 70.08 last 51.43)
 - open/close 4198 (time 1772175643.25 total 80.09 last 56.50)
 - open/close 4669 (time 1772175653.27 total 90.11 last 47.04)
total: 5000 open/close in 97.02 seconds: 51.53 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1772175664 ; total 0 ; last 0)
total: 5000 unlinks in 66 seconds: 75.757576 unlinks/second
fail_loc=0