== sanity test 60c: unlink file when mds full ============ 17:13:53 (1777497233)
create 5000 files
 - open/close 551 (time 1777497247.44 total 10.02 last 55.01)
 - open/close 1059 (time 1777497257.44 total 20.02 last 50.78)
 - open/close 1566 (time 1777497267.46 total 30.04 last 50.61)
 - open/close 2036 (time 1777497277.47 total 40.04 last 46.98)
 - open/close 2475 (time 1777497287.50 total 50.08 last 43.75)
 - open/close 2871 (time 1777497297.52 total 60.10 last 39.51)
 - open/close 3291 (time 1777497307.55 total 70.12 last 41.89)
 - open/close 3765 (time 1777497317.56 total 80.13 last 47.36)
 - open/close 4224 (time 1777497327.57 total 90.14 last 45.83)
 - open/close 4687 (time 1777497337.58 total 100.15 last 46.26)
total: 5000 open/close in 107.87 seconds: 46.35 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1777497350 ; total 0 ; last 0)
total: 5000 unlinks in 82 seconds: 60.975609 unlinks/second
fail_loc=0