== sanity test 60c: unlink file when mds full ============ 09:28:43 (1784122123)
create 5000 files
 - open/close 895 (time 1784122135.26 total 10.00 last 89.46)
 - open/close 1841 (time 1784122145.26 total 20.01 last 94.55)
 - open/close 2586 (time 1784122155.27 total 30.02 last 74.46)
 - open/close 3399 (time 1784122165.27 total 40.02 last 81.26)
 - open/close 4273 (time 1784122175.29 total 50.03 last 87.28)
total: 5000 open/close in 58.60 seconds: 85.33 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1784122185 ; total 0 ; last 0)
total: 5000 unlinks in 39 seconds: 128.205124 unlinks/second
fail_loc=0