== sanity test 60c: unlink file when mds full ============ 09:52:07 (1788875527)
create 5000 files
 - open/close 683 (time 1788875541.04 total 10.01 last 68.25)
 - open/close 1432 (time 1788875551.05 total 20.01 last 74.87)
 - open/close 2164 (time 1788875561.06 total 30.02 last 73.14)
 - open/close 2843 (time 1788875571.06 total 40.02 last 67.89)
 - open/close 3492 (time 1788875581.06 total 50.03 last 64.86)
 - open/close 4149 (time 1788875591.07 total 60.03 last 65.65)
 - open/close 4829 (time 1788875601.08 total 70.05 last 67.93)
total: 5000 open/close in 72.55 seconds: 68.92 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788875607 ; total 0 ; last 0)
total: 5000 unlinks in 47 seconds: 106.382980 unlinks/second
fail_loc=0