== sanity test 60c: unlink file when mds full ============ 18:41:28 (1787784088)
create 5000 files
 - open/close 632 (time 1787784102.54 total 10.00 last 63.20)
 - open/close 1245 (time 1787784112.55 total 20.01 last 61.25)
 - open/close 1806 (time 1787784122.55 total 30.01 last 56.08)
 - open/close 2405 (time 1787784132.56 total 40.03 last 59.81)
 - open/close 2836 (time 1787784142.58 total 50.04 last 43.04)
 - open/close 3393 (time 1787784152.59 total 60.05 last 55.65)
 - open/close 3913 (time 1787784162.59 total 70.05 last 51.97)
 - open/close 4548 (time 1787784172.61 total 80.08 last 63.37)
total: 5000 open/close in 87.37 seconds: 57.23 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787784184 ; total 0 ; last 0)
total: 5000 unlinks in 58 seconds: 86.206894 unlinks/second
fail_loc=0