== sanity test 60c: unlink file when mds full ============ 17:03:04 (1781298184)
create 5000 files
 - open/close 634 (time 1781298197.73 total 10.01 last 63.36)
 - open/close 1209 (time 1781298207.74 total 20.01 last 57.45)
 - open/close 1824 (time 1781298217.75 total 30.03 last 61.42)
 - open/close 2487 (time 1781298227.75 total 40.03 last 66.29)
 - open/close 3172 (time 1781298237.76 total 50.04 last 68.44)
 - open/close 3824 (time 1781298247.78 total 60.05 last 65.12)
 - open/close 4499 (time 1781298257.79 total 70.06 last 67.43)
total: 5000 open/close in 77.58 seconds: 64.45 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1781298270 ; total 0 ; last 0)
total: 5000 unlinks in 47 seconds: 106.382980 unlinks/second
fail_loc=0