== sanity test 60c: unlink file when mds full ============ 22:00:42 (1788832842)
create 5000 files
 - open/close 581 (time 1788832856.97 total 10.01 last 58.02)
 - open/close 1137 (time 1788832866.98 total 20.02 last 55.54)
 - open/close 1728 (time 1788832876.99 total 30.04 last 59.00)
 - open/close 2295 (time 1788832886.99 total 40.04 last 56.69)
 - open/close 2869 (time 1788832897.00 total 50.05 last 57.34)
 - open/close 3433 (time 1788832907.02 total 60.07 last 56.31)
 - open/close 3962 (time 1788832917.04 total 70.09 last 52.80)
 - open/close 4526 (time 1788832927.06 total 80.11 last 56.30)
total: 5000 open/close in 89.66 seconds: 55.77 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788832941 ; total 0 ; last 0)
total: 5000 unlinks in 65 seconds: 76.923080 unlinks/second
fail_loc=0