== sanity test 60c: unlink file when mds full ============ 09:05:41 (1783947941)
create 5000 files
 - open/close 682 (time 1783947955.28 total 10.01 last 68.15)
 - open/close 1293 (time 1783947965.29 total 20.02 last 61.03)
 - open/close 1926 (time 1783947975.30 total 30.03 last 63.24)
 - open/close 2583 (time 1783947985.32 total 40.04 last 65.62)
 - open/close 3281 (time 1783947995.32 total 50.04 last 69.79)
 - open/close 3910 (time 1783948005.32 total 60.05 last 62.87)
 - open/close 4373 (time 1783948015.33 total 70.06 last 46.24)
 - open/close 4973 (time 1783948025.34 total 80.07 last 59.94)
total: 5000 open/close in 80.41 seconds: 62.18 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1783948030 ; total 0 ; last 0)
total: 5000 unlinks in 54 seconds: 92.592590 unlinks/second
fail_loc=0