== sanity test 60c: unlink file when mds full ============ 08:55:17 (1790772917)
create 5000 files
 - open/close 611 (time 1790772932.30 total 10.01 last 61.03)
 - open/close 1216 (time 1790772942.31 total 20.02 last 60.43)
 - open/close 1711 (time 1790772952.32 total 30.03 last 49.46)
 - open/close 2222 (time 1790772962.34 total 40.05 last 50.99)
 - open/close 2732 (time 1790772972.38 total 50.09 last 50.81)
 - open/close 3350 (time 1790772982.38 total 60.10 last 61.76)
 - open/close 3857 (time 1790772992.40 total 70.11 last 50.64)
 - open/close 4359 (time 1790773002.41 total 80.12 last 50.14)
 - open/close 4852 (time 1790773012.41 total 90.12 last 49.28)
total: 5000 open/close in 93.30 seconds: 53.59 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1790773019 ; total 0 ; last 0)
total: 5000 unlinks in 62 seconds: 80.645164 unlinks/second
fail_loc=0