== sanity test 60c: unlink file when mds full ============ 12:34:06 (1789317246)
create 5000 files
 - open/close 923 (time 1789317258.76 total 10.01 last 92.25)
 - open/close 1719 (time 1789317268.78 total 20.02 last 79.50)
 - open/close 2614 (time 1789317278.78 total 30.02 last 89.44)
 - open/close 3702 (time 1789317288.79 total 40.03 last 108.75)
 - open/close 4856 (time 1789317298.80 total 50.04 last 115.25)
total: 5000 open/close in 51.57 seconds: 96.96 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789317302 ; total 0 ; last 0)
total: 5000 unlinks in 39 seconds: 128.205124 unlinks/second
fail_loc=0