== sanity test 60c: unlink file when mds full ============ 23:45:00 (1789443900)
create 5000 files
 - open/close 629 (time 1789443914.28 total 10.00 last 62.88)
 - open/close 1271 (time 1789443924.28 total 20.00 last 64.19)
 - open/close 1922 (time 1789443934.29 total 30.01 last 65.04)
 - open/close 2544 (time 1789443944.30 total 40.03 last 62.13)
 - open/close 3091 (time 1789443954.36 total 50.08 last 54.41)
 - open/close 3579 (time 1789443964.37 total 60.10 last 48.71)
 - open/close 4104 (time 1789443974.38 total 70.10 last 52.49)
 - open/close 4710 (time 1789443984.38 total 80.10 last 60.58)
total: 5000 open/close in 85.48 seconds: 58.50 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789443994 ; total 0 ; last 0)
total: 5000 unlinks in 61 seconds: 81.967216 unlinks/second
fail_loc=0