== sanity test 60c: unlink file when mds full ============ 15:47:14 (1776196034)
create 5000 files
 - open/close 766 (time 1776196049.03 total 10.00 last 76.57)
 - open/close 1354 (time 1776196059.03 total 20.01 last 58.78)
 - open/close 1958 (time 1776196069.04 total 30.02 last 60.35)
 - open/close 2625 (time 1776196079.05 total 40.03 last 66.61)
 - open/close 3253 (time 1776196089.06 total 50.04 last 62.74)
 - open/close 3890 (time 1776196099.08 total 60.05 last 63.61)
 - open/close 4667 (time 1776196109.09 total 70.06 last 77.61)
total: 5000 open/close in 74.16 seconds: 67.43 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1776196117 ; total 0 ; last 0)
total: 5000 unlinks in 38 seconds: 131.578949 unlinks/second
fail_loc=0