== sanity test 60c: unlink file when mds full ============ 00:23:49 (1788927829)
create 5000 files
 - open/close 603 (time 1788927842.90 total 10.00 last 60.27)
 - open/close 1221 (time 1788927852.91 total 20.01 last 61.76)
 - open/close 1869 (time 1788927862.91 total 30.01 last 64.79)
 - open/close 2433 (time 1788927872.92 total 40.03 last 56.33)
 - open/close 3067 (time 1788927882.93 total 50.04 last 63.32)
 - open/close 3653 (time 1788927892.94 total 60.04 last 58.57)
 - open/close 4238 (time 1788927902.94 total 70.04 last 58.49)
 - open/close 4804 (time 1788927912.95 total 80.05 last 56.56)
total: 5000 open/close in 83.95 seconds: 59.56 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788927920 ; total 0 ; last 0)
total: 5000 unlinks in 70 seconds: 71.428574 unlinks/second
fail_loc=0