== sanity test 60c: unlink file when mds full ============ 11:01:51 (1781622111)
create 5000 files
 - open/close 753 (time 1781622124.42 total 10.01 last 75.23)
 - open/close 1460 (time 1781622134.43 total 20.02 last 70.60)
 - open/close 2162 (time 1781622144.44 total 30.03 last 70.14)
 - open/close 2852 (time 1781622154.46 total 40.05 last 68.89)
 - open/close 3498 (time 1781622164.48 total 50.07 last 64.47)
 - open/close 4199 (time 1781622174.48 total 60.07 last 70.10)
 - open/close 4918 (time 1781622184.48 total 70.08 last 71.84)
total: 5000 open/close in 71.27 seconds: 70.16 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1781622188 ; total 0 ; last 0)
total: 5000 unlinks in 98 seconds: 51.020409 unlinks/second
fail_loc=0