== sanity test 60c: unlink file when mds full ============ 18:23:01 (1787696581)
create 5000 files
 - open/close 477 (time 1787696597.17 total 10.01 last 47.63)
 - open/close 939 (time 1787696607.17 total 20.02 last 46.16)
 - open/close 1438 (time 1787696617.18 total 30.02 last 49.89)
 - open/close 1918 (time 1787696627.20 total 40.05 last 47.89)
 - open/close 2369 (time 1787696637.24 total 50.09 last 44.92)
 - open/close 2754 (time 1787696647.25 total 60.10 last 38.47)
 - open/close 3226 (time 1787696657.27 total 70.12 last 47.08)
 - open/close 3700 (time 1787696667.28 total 80.12 last 47.39)
 - open/close 4144 (time 1787696677.28 total 90.13 last 44.38)
 - open/close 4579 (time 1787696687.31 total 100.16 last 43.35)
total: 5000 open/close in 110.11 seconds: 45.41 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787696702 ; total 0 ; last 0)
total: 5000 unlinks in 72 seconds: 69.444443 unlinks/second
fail_loc=0