== sanity test 60c: unlink file when mds full ============ 05:39:57 (1789378797)
create 5000 files
 - open/close 567 (time 1789378811.52 total 10.01 last 56.65)
 - open/close 1128 (time 1789378821.53 total 20.02 last 56.05)
 - open/close 1742 (time 1789378831.55 total 30.04 last 61.28)
 - open/close 2294 (time 1789378841.55 total 40.04 last 55.17)
 - open/close 2882 (time 1789378851.55 total 50.04 last 58.80)
 - open/close 3406 (time 1789378861.57 total 60.06 last 52.33)
 - open/close 3912 (time 1789378871.58 total 70.07 last 50.56)
 - open/close 4359 (time 1789378881.58 total 80.07 last 44.69)
 - open/close 4834 (time 1789378891.60 total 90.09 last 47.40)
total: 5000 open/close in 93.50 seconds: 53.48 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789378899 ; total 0 ; last 0)
total: 5000 unlinks in 87 seconds: 57.471264 unlinks/second
fail_loc=0