== sanity test 60c: unlink file when mds full ============ 00:45:48 (1790657148)
create 5000 files
 - open/close 456 (time 1790657162.57 total 10.02 last 45.53)
 - open/close 924 (time 1790657172.57 total 20.02 last 46.78)
 - open/close 1386 (time 1790657182.59 total 30.04 last 46.13)
 - open/close 1857 (time 1790657192.60 total 40.05 last 47.05)
 - open/close 2330 (time 1790657202.62 total 50.07 last 47.20)
 - open/close 2787 (time 1790657212.62 total 60.07 last 45.67)
 - open/close 3259 (time 1790657222.63 total 70.07 last 47.20)
 - open/close 3717 (time 1790657232.64 total 80.09 last 45.74)
 - open/close 4160 (time 1790657242.65 total 90.10 last 44.24)
 - open/close 4651 (time 1790657252.67 total 100.12 last 49.03)
total: 5000 open/close in 107.11 seconds: 46.68 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1790657264 ; total 0 ; last 0)
total: 5000 unlinks in 77 seconds: 64.935066 unlinks/second
fail_loc=0