== sanity test 60c: unlink file when mds full ============ 11:16:13 (1776266173)
create 5000 files
 - open/close 813 (time 1776266186.60 total 10.00 last 81.27)
 - open/close 1671 (time 1776266196.61 total 20.01 last 85.76)
 - open/close 2566 (time 1776266206.61 total 30.01 last 89.50)
 - open/close 3476 (time 1776266216.61 total 40.01 last 90.98)
 - open/close 4382 (time 1776266226.62 total 50.02 last 90.52)
total: 5000 open/close in 56.75 seconds: 88.11 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1776266236 ; total 0 ; last 0)
total: 5000 unlinks in 35 seconds: 142.857147 unlinks/second
fail_loc=0