== sanity test 60c: unlink file when mds full ============ 14:07:12 (1790100432)
create 5000 files
 - open/close 322 (time 1790100446.59 total 10.01 last 32.15)
 - open/close 588 (time 1790100456.62 total 20.04 last 26.53)
 - open/close 844 (time 1790100466.63 total 30.05 last 25.58)
 - open/close 1177 (time 1790100476.63 total 40.05 last 33.28)
 - open/close 1550 (time 1790100486.64 total 50.06 last 37.29)
 - open/close 2046 (time 1790100496.67 total 60.09 last 49.45)
 - open/close 2447 (time 1790100506.69 total 70.11 last 40.00)
 - open/close 2878 (time 1790100516.69 total 80.12 last 43.09)
 - open/close 3271 (time 1790100526.70 total 90.13 last 39.26)
 - open/close 3674 (time 1790100536.74 total 100.17 last 40.14)
 - open/close 4110 (time 1790100546.75 total 110.17 last 43.57)
 - open/close 4610 (time 1790100556.76 total 120.18 last 49.94)
total: 5000 open/close in 128.69 seconds: 38.85 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1790100570 ; total 0 ; last 0)
total: 5000 unlinks in 81 seconds: 61.728394 unlinks/second
fail_loc=0