== sanity test 60c: unlink file when mds full ============ 09:31:18 (1779975078)
create 5000 files
 - open/close 473 (time 1779975092.14 total 10.01 last 47.26)
 - open/close 934 (time 1779975102.16 total 20.03 last 46.02)
 - open/close 1425 (time 1779975112.16 total 30.03 last 49.07)
 - open/close 1915 (time 1779975122.20 total 40.07 last 48.84)
 - open/close 2428 (time 1779975132.22 total 50.09 last 51.18)
 - open/close 2924 (time 1779975142.23 total 60.10 last 49.54)
 - open/close 3384 (time 1779975152.24 total 70.11 last 45.96)
 - open/close 3867 (time 1779975162.25 total 80.11 last 48.28)
 - open/close 4283 (time 1779975172.27 total 90.14 last 41.51)
 - open/close 4772 (time 1779975182.27 total 100.14 last 48.90)
total: 5000 open/close in 105.13 seconds: 47.56 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1779975191 ; total 0 ; last 0)
total: 5000 unlinks in 80 seconds: 62.500000 unlinks/second
fail_loc=0