== sanity test 60c: unlink file when mds full ============ 19:07:47 (1788908867)
create 5000 files
 - open/close 690 (time 1788908880.76 total 10.01 last 68.90)
 - open/close 1321 (time 1788908890.76 total 20.02 last 63.09)
 - open/close 2032 (time 1788908900.76 total 30.02 last 71.09)
 - open/close 2705 (time 1788908910.77 total 40.03 last 67.24)
 - open/close 3402 (time 1788908920.80 total 50.05 last 69.53)
 - open/close 4058 (time 1788908930.81 total 60.06 last 65.53)
 - open/close 4696 (time 1788908940.82 total 70.07 last 63.73)
total: 5000 open/close in 74.38 seconds: 67.22 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788908948 ; total 0 ; last 0)
total: 5000 unlinks in 55 seconds: 90.909088 unlinks/second
fail_loc=0