== sanity test 60c: unlink file when mds full ============ 22:12:59 (1786759979)
create 5000 files
 - open/close 475 (time 1786759992.78 total 10.07 last 47.17)
 - open/close 860 (time 1786760002.78 total 20.07 last 38.48)
 - open/close 1192 (time 1786760012.82 total 30.11 last 33.08)
 - open/close 1513 (time 1786760022.86 total 40.15 last 31.97)
 - open/close 1831 (time 1786760032.88 total 50.18 last 31.72)
 - open/close 2341 (time 1786760042.91 total 60.20 last 50.87)
 - open/close 2845 (time 1786760052.91 total 70.20 last 50.40)
 - open/close 3312 (time 1786760062.92 total 80.21 last 46.65)
 - open/close 3824 (time 1786760072.92 total 90.22 last 51.19)
 - open/close 4349 (time 1786760082.93 total 100.22 last 52.46)
 - open/close 4793 (time 1786760092.95 total 110.24 last 44.31)
total: 5000 open/close in 114.54 seconds: 43.65 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786760101 ; total 0 ; last 0)
total: 5000 unlinks in 75 seconds: 66.666664 unlinks/second
fail_loc=0