== sanity test 60c: unlink file when mds full ============ 21:39:17 (1781228357)
create 5000 files
 - open/close 1049 (time 1781228369.69 total 10.01 last 104.83)
 - open/close 2017 (time 1781228379.69 total 20.01 last 96.74)
 - open/close 3059 (time 1781228389.69 total 30.02 last 104.17)
 - open/close 3972 (time 1781228399.70 total 40.02 last 91.28)
 - open/close 4870 (time 1781228409.70 total 50.02 last 89.75)
total: 5000 open/close in 51.64 seconds: 96.82 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1781228413 ; total 0 ; last 0)
total: 5000 unlinks in 39 seconds: 128.205124 unlinks/second
fail_loc=0