== sanity test 60c: unlink file when mds full ============ 06:14:47 (1788776087)
create 5000 files
 - open/close 478 (time 1788776102.58 total 10.04 last 47.60)
 - open/close 983 (time 1788776112.61 total 20.08 last 50.32)
 - open/close 1446 (time 1788776122.61 total 30.08 last 46.29)
 - open/close 1963 (time 1788776132.62 total 40.09 last 51.66)
 - open/close 2433 (time 1788776142.64 total 50.10 last 46.92)
 - open/close 2915 (time 1788776152.64 total 60.11 last 48.17)
 - open/close 3383 (time 1788776162.65 total 70.12 last 46.76)
 - open/close 3849 (time 1788776172.66 total 80.13 last 46.56)
 - open/close 4341 (time 1788776182.68 total 90.15 last 49.11)
 - open/close 4815 (time 1788776192.70 total 100.16 last 47.31)
total: 5000 open/close in 103.77 seconds: 48.18 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788776200 ; total 0 ; last 0)
total: 5000 unlinks in 71 seconds: 70.422539 unlinks/second
fail_loc=0