== sanity test 60c: unlink file when mds full ============ 19:20:30 (1789600830)
create 5000 files
 - open/close 483 (time 1789600844.89 total 10.01 last 48.27)
 - open/close 961 (time 1789600854.89 total 20.01 last 47.80)
 - open/close 1402 (time 1789600864.89 total 30.01 last 44.10)
 - open/close 1846 (time 1789600874.93 total 40.04 last 44.25)
 - open/close 2317 (time 1789600884.94 total 50.05 last 47.06)
 - open/close 2779 (time 1789600894.96 total 60.08 last 46.07)
 - open/close 3236 (time 1789600904.99 total 70.10 last 45.59)
 - open/close 3642 (time 1789600915.01 total 80.12 last 40.52)
 - open/close 4064 (time 1789600925.05 total 90.16 last 42.01)
 - open/close 4485 (time 1789600935.06 total 100.17 last 42.07)
 - open/close 4905 (time 1789600945.09 total 110.20 last 41.87)
total: 5000 open/close in 112.35 seconds: 44.50 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789600951 ; total 0 ; last 0)
total: 5000 unlinks in 82 seconds: 60.975609 unlinks/second
fail_loc=0