== sanity test 60c: unlink file when mds full ============ 19:24:18 (1789601058)
create 5000 files
 - open/close 601 (time 1789601073.00 total 10.00 last 60.08)
 - open/close 1178 (time 1789601083.01 total 20.01 last 57.68)
 - open/close 1705 (time 1789601093.01 total 30.01 last 52.67)
 - open/close 2297 (time 1789601103.02 total 40.02 last 59.15)
 - open/close 2863 (time 1789601113.03 total 50.04 last 56.52)
 - open/close 3422 (time 1789601123.04 total 60.05 last 55.85)
 - open/close 3994 (time 1789601133.06 total 70.07 last 57.08)
 - open/close 4523 (time 1789601143.08 total 80.08 last 52.84)
total: 5000 open/close in 89.88 seconds: 55.63 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789601158 ; total 0 ; last 0)
total: 5000 unlinks in 64 seconds: 78.125000 unlinks/second
fail_loc=0