== sanity test 60c: unlink file when mds full ============ 17:52:40 (1787781160)
create 5000 files
 - open/close 631 (time 1787781175.12 total 10.01 last 63.04)
 - open/close 1305 (time 1787781185.12 total 20.01 last 67.37)
 - open/close 2033 (time 1787781195.13 total 30.02 last 72.74)
 - open/close 2655 (time 1787781205.15 total 40.04 last 62.11)
 - open/close 3242 (time 1787781215.17 total 50.06 last 58.58)
 - open/close 3767 (time 1787781225.18 total 60.07 last 52.43)
 - open/close 4360 (time 1787781235.20 total 70.10 last 59.15)
 - open/close 4918 (time 1787781245.26 total 80.15 last 55.49)
total: 5000 open/close in 81.60 seconds: 61.28 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787781250 ; total 0 ; last 0)
total: 5000 unlinks in 65 seconds: 76.923080 unlinks/second
fail_loc=0