== sanity test 60c: unlink file when mds full ============ 15:25:26 (1776194726)
create 5000 files
 - open/close 895 (time 1776194740.93 total 10.00 last 89.48)
 - open/close 1789 (time 1776194750.94 total 20.01 last 89.34)
 - open/close 2682 (time 1776194760.94 total 30.01 last 89.26)
 - open/close 3502 (time 1776194770.95 total 40.02 last 81.95)
 - open/close 4390 (time 1776194780.95 total 50.03 last 88.74)
total: 5000 open/close in 56.81 seconds: 88.01 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1776194792 ; total 0 ; last 0)
total: 5000 unlinks in 32 seconds: 156.250000 unlinks/second
fail_loc=0