== sanity test 60c: unlink file when mds full ============ 00:45:29 (1788929129)
create 5000 files
 - open/close 605 (time 1788929143.75 total 10.02 last 60.40)
 - open/close 1210 (time 1788929153.76 total 20.03 last 60.43)
 - open/close 1669 (time 1788929163.77 total 30.03 last 45.88)
 - open/close 2321 (time 1788929173.79 total 40.05 last 65.07)
 - open/close 2982 (time 1788929183.80 total 50.06 last 66.01)
 - open/close 3615 (time 1788929193.82 total 60.09 last 63.16)
 - open/close 4258 (time 1788929203.85 total 70.12 last 64.11)
 - open/close 4837 (time 1788929213.86 total 80.13 last 57.83)
total: 5000 open/close in 83.00 seconds: 60.24 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788929220 ; total 0 ; last 0)
total: 5000 unlinks in 59 seconds: 84.745766 unlinks/second
fail_loc=0