== sanity test 60c: unlink file when mds full ============ 00:26:35 (1788841595)
create 5000 files
 - open/close 445 (time 1788841610.24 total 10.02 last 44.42)
 - open/close 970 (time 1788841620.24 total 20.02 last 52.50)
 - open/close 1430 (time 1788841630.25 total 30.03 last 45.95)
 - open/close 1944 (time 1788841640.25 total 40.03 last 51.38)
 - open/close 2442 (time 1788841650.26 total 50.04 last 49.79)
 - open/close 2932 (time 1788841660.27 total 60.05 last 48.91)
 - open/close 3390 (time 1788841670.29 total 70.07 last 45.71)
 - open/close 3879 (time 1788841680.30 total 80.08 last 48.86)
 - open/close 4351 (time 1788841690.32 total 90.10 last 47.13)
 - open/close 4826 (time 1788841700.34 total 100.12 last 47.40)
total: 5000 open/close in 104.01 seconds: 48.07 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788841709 ; total 0 ; last 0)
total: 5000 unlinks in 71 seconds: 70.422539 unlinks/second
fail_loc=0