== sanity test 60c: unlink file when mds full ============ 01:19:06 (1789708746)
create 5000 files
 - open/close 572 (time 1789708761.47 total 10.00 last 57.17)
 - open/close 1201 (time 1789708771.50 total 20.04 last 62.70)
 - open/close 1653 (time 1789708781.50 total 30.04 last 45.17)
 - open/close 2296 (time 1789708791.51 total 40.05 last 64.28)
 - open/close 2878 (time 1789708801.51 total 50.05 last 58.16)
 - open/close 3488 (time 1789708811.52 total 60.06 last 60.95)
 - open/close 4183 (time 1789708821.53 total 70.07 last 69.45)
 - open/close 4760 (time 1789708831.54 total 80.08 last 57.64)
total: 5000 open/close in 83.74 seconds: 59.71 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789708840 ; total 0 ; last 0)
total: 5000 unlinks in 57 seconds: 87.719299 unlinks/second
fail_loc=0