== sanity test 60c: unlink file when mds full ============ 04:21:13 (1788510073)
create 5000 files
 - open/close 501 (time 1788510087.71 total 10.00 last 50.09)
 - open/close 1024 (time 1788510097.72 total 20.01 last 52.24)
 - open/close 1458 (time 1788510107.73 total 30.03 last 43.34)
 - open/close 1992 (time 1788510117.75 total 40.05 last 53.30)
 - open/close 2516 (time 1788510127.75 total 50.05 last 52.40)
 - open/close 3062 (time 1788510137.76 total 60.06 last 54.54)
 - open/close 3578 (time 1788510147.78 total 70.07 last 51.53)
 - open/close 4061 (time 1788510157.78 total 80.08 last 48.27)
 - open/close 4524 (time 1788510167.81 total 90.10 last 46.18)
total: 5000 open/close in 99.53 seconds: 50.24 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788510181 ; total 0 ; last 0)
total: 5000 unlinks in 69 seconds: 72.463768 unlinks/second
fail_loc=0