== sanity test 60c: unlink file when mds full ============ 20:09:08 (1789776548)
create 5000 files
 - open/close 461 (time 1789776562.07 total 10.00 last 46.09)
 - open/close 918 (time 1789776572.07 total 20.00 last 45.70)
 - open/close 1349 (time 1789776582.07 total 30.01 last 43.08)
 - open/close 1796 (time 1789776592.09 total 40.02 last 44.63)
 - open/close 2237 (time 1789776602.10 total 50.03 last 44.06)
 - open/close 2653 (time 1789776612.11 total 60.05 last 41.54)
 - open/close 3085 (time 1789776622.11 total 70.05 last 43.20)
 - open/close 3502 (time 1789776632.12 total 80.05 last 41.68)
 - open/close 3891 (time 1789776642.14 total 90.08 last 38.80)
 - open/close 4284 (time 1789776652.16 total 100.10 last 39.24)
 - open/close 4682 (time 1789776662.18 total 110.11 last 39.73)
total: 5000 open/close in 118.28 seconds: 42.27 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789776675 ; total 0 ; last 0)
total: 5000 unlinks in 83 seconds: 60.240963 unlinks/second
fail_loc=0