== sanity test 60c: unlink file when mds full ============ 14:31:04 (1776191464)
create 5000 files
 - open/close 651 (time 1776191479.56 total 10.00 last 65.07)
 - open/close 1285 (time 1776191489.57 total 20.01 last 63.36)
 - open/close 1893 (time 1776191499.58 total 30.02 last 60.72)
 - open/close 2496 (time 1776191509.58 total 40.02 last 60.30)
 - open/close 3167 (time 1776191519.59 total 50.03 last 67.07)
 - open/close 3806 (time 1776191529.60 total 60.04 last 63.84)
 - open/close 4397 (time 1776191539.61 total 70.05 last 59.02)
total: 5000 open/close in 79.57 seconds: 62.84 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1776191553 ; total 0 ; last 0)
total: 5000 unlinks in 52 seconds: 96.153847 unlinks/second
fail_loc=0