== sanity test 60c: unlink file when mds full ============ 11:59:47 (1776182387)
create 5000 files
 - open/close 880 (time 1776182400.92 total 10.00 last 87.96)
 - open/close 1664 (time 1776182410.93 total 20.01 last 78.35)
 - open/close 2332 (time 1776182420.96 total 30.04 last 66.58)
 - open/close 3013 (time 1776182430.96 total 40.04 last 68.10)
 - open/close 3817 (time 1776182440.96 total 50.05 last 80.38)
 - open/close 4662 (time 1776182450.97 total 60.05 last 84.46)
total: 5000 open/close in 64.44 seconds: 77.59 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1776182458 ; total 0 ; last 0)
total: 5000 unlinks in 33 seconds: 151.515152 unlinks/second
fail_loc=0