== sanity test 60c: unlink file when mds full ============ 14:04:32 (1782756272)
create 5000 files
 - open/close 544 (time 1782756285.17 total 10.01 last 54.32)
 - open/close 1133 (time 1782756295.18 total 20.03 last 58.82)
 - open/close 1753 (time 1782756305.20 total 30.04 last 61.92)
 - open/close 2351 (time 1782756315.20 total 40.04 last 59.79)
 - open/close 2883 (time 1782756325.20 total 50.04 last 53.20)
 - open/close 3452 (time 1782756335.22 total 60.07 last 56.76)
 - open/close 4003 (time 1782756345.23 total 70.07 last 55.07)
 - open/close 4549 (time 1782756355.24 total 80.09 last 54.53)
total: 5000 open/close in 88.44 seconds: 56.54 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1782756366 ; total 0 ; last 0)
total: 5000 unlinks in 93 seconds: 53.763439 unlinks/second
fail_loc=0