== sanity test 60c: unlink file when mds full ============ 04:31:06 (1788251466)
create 5000 files
 - open/close 629 (time 1788251481.14 total 10.00 last 62.88)
 - open/close 1252 (time 1788251491.14 total 20.00 last 62.30)
 - open/close 1902 (time 1788251501.16 total 30.02 last 64.88)
 - open/close 2522 (time 1788251511.18 total 40.05 last 61.85)
 - open/close 3165 (time 1788251521.19 total 50.06 last 64.25)
 - open/close 3759 (time 1788251531.19 total 60.06 last 59.40)
 - open/close 4423 (time 1788251541.19 total 70.06 last 66.40)
 - open/close 4964 (time 1788251551.21 total 80.07 last 54.03)
total: 5000 open/close in 80.79 seconds: 61.89 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788251555 ; total 0 ; last 0)
total: 5000 unlinks in 57 seconds: 87.719299 unlinks/second
fail_loc=0