== sanity test 60c: unlink file when mds full ============ 21:42:30 (1776994950)
create 5000 files
 - open/close 487 (time 1776994965.39 total 10.01 last 48.64)
 - open/close 930 (time 1776994975.39 total 20.01 last 44.29)
 - open/close 1360 (time 1776994985.40 total 30.02 last 42.98)
 - open/close 1727 (time 1776994995.40 total 40.02 last 36.69)
 - open/close 2122 (time 1776995005.42 total 50.04 last 39.43)
 - open/close 2546 (time 1776995015.43 total 60.05 last 42.35)
 - open/close 2995 (time 1776995025.45 total 70.07 last 44.82)
 - open/close 3434 (time 1776995035.45 total 80.07 last 43.88)
 - open/close 3885 (time 1776995045.47 total 90.09 last 45.00)
 - open/close 4287 (time 1776995055.49 total 100.11 last 40.12)
 - open/close 4713 (time 1776995065.49 total 110.11 last 42.59)
total: 5000 open/close in 117.21 seconds: 42.66 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1776995077 ; total 0 ; last 0)
total: 5000 unlinks in 84 seconds: 59.523811 unlinks/second
fail_loc=0