== sanity test 60c: unlink file when mds full ============ 09:51:49 (1787061109)
create 5000 files
 - open/close 856 (time 1787061121.15 total 10.00 last 85.58)
 - open/close 1734 (time 1787061131.16 total 20.01 last 87.71)
 - open/close 2629 (time 1787061141.17 total 30.02 last 89.44)
 - open/close 3564 (time 1787061151.17 total 40.02 last 93.47)
 - open/close 4400 (time 1787061161.18 total 50.03 last 83.54)
total: 5000 open/close in 56.90 seconds: 87.87 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787061170 ; total 0 ; last 0)
total: 5000 unlinks in 34 seconds: 147.058823 unlinks/second
fail_loc=0