== sanity test 60c: unlink file when mds full ============ 13:46:24 (1788284784)
create 5000 files
 - open/close 444 (time 1788284798.96 total 10.02 last 44.33)
 - open/close 887 (time 1788284808.98 total 20.03 last 44.23)
 - open/close 1333 (time 1788284819.00 total 30.05 last 44.51)
 - open/close 1822 (time 1788284829.00 total 40.05 last 48.89)
 - open/close 2274 (time 1788284839.01 total 50.06 last 45.17)
 - open/close 2674 (time 1788284849.02 total 60.07 last 39.94)
 - open/close 3152 (time 1788284859.02 total 70.08 last 47.78)
 - open/close 3561 (time 1788284869.03 total 80.08 last 40.89)
 - open/close 3940 (time 1788284879.03 total 90.08 last 37.89)
 - open/close 4257 (time 1788284889.03 total 100.09 last 31.69)
 - open/close 4681 (time 1788284899.04 total 110.10 last 42.36)
total: 5000 open/close in 117.53 seconds: 42.54 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788284910 ; total 0 ; last 0)
total: 5000 unlinks in 84 seconds: 59.523811 unlinks/second
fail_loc=0