== sanity test 60c: unlink file when mds full ============ 08:41:43 (1789130503)
create 5000 files
 - open/close 527 (time 1789130517.42 total 10.01 last 52.63)
 - open/close 1084 (time 1789130527.42 total 20.02 last 55.69)
 - open/close 1661 (time 1789130537.43 total 30.02 last 57.66)
 - open/close 2251 (time 1789130547.45 total 40.04 last 58.90)
 - open/close 2793 (time 1789130557.47 total 50.06 last 54.09)
 - open/close 3302 (time 1789130567.49 total 60.08 last 50.80)
 - open/close 3824 (time 1789130577.49 total 70.08 last 52.18)
 - open/close 4360 (time 1789130587.50 total 80.09 last 53.54)
 - open/close 4898 (time 1789130597.53 total 90.12 last 53.68)
total: 5000 open/close in 92.00 seconds: 54.35 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789130603 ; total 0 ; last 0)
total: 5000 unlinks in 68 seconds: 73.529411 unlinks/second
fail_loc=0