== sanity test 60c: unlink file when mds full ============ 14:48:27 (1787338107)
create 5000 files
 - open/close 518 (time 1787338122.10 total 10.02 last 51.72)
 - open/close 1129 (time 1787338132.12 total 20.04 last 60.97)
 - open/close 1652 (time 1787338142.13 total 30.05 last 52.23)
 - open/close 2105 (time 1787338152.15 total 40.07 last 45.19)
 - open/close 2556 (time 1787338162.20 total 50.12 last 44.88)
 - open/close 2980 (time 1787338172.21 total 60.13 last 42.39)
 - open/close 3545 (time 1787338182.21 total 70.13 last 56.46)
 - open/close 4140 (time 1787338192.22 total 80.14 last 59.47)
 - open/close 4667 (time 1787338202.24 total 90.16 last 52.60)
total: 5000 open/close in 97.16 seconds: 51.46 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787338214 ; total 0 ; last 0)
total: 5000 unlinks in 71 seconds: 70.422539 unlinks/second
fail_loc=0