== sanity test 60c: unlink file when mds full ============ 10:14:19 (1790000059)
create 5000 files
 - open/close 433 (time 1790000075.54 total 10.02 last 43.23)
 - open/close 1068 (time 1790000085.54 total 20.02 last 63.48)
 - open/close 1505 (time 1790000095.56 total 30.04 last 43.61)
 - open/close 1915 (time 1790000105.59 total 40.07 last 40.88)
 - open/close 2154 (time 1790000115.62 total 50.10 last 23.83)
 - open/close 2496 (time 1790000125.62 total 60.10 last 34.20)
 - open/close 2966 (time 1790000135.63 total 70.10 last 46.99)
 - open/close 3441 (time 1790000145.64 total 80.11 last 47.45)
 - open/close 3988 (time 1790000155.64 total 90.11 last 54.70)
 - open/close 4631 (time 1790000165.64 total 100.12 last 64.27)
total: 5000 open/close in 106.36 seconds: 47.01 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1790000176 ; total 0 ; last 0)
total: 5000 unlinks in 54 seconds: 92.592590 unlinks/second
fail_loc=0