== sanity test 60c: unlink file when mds full ============ 15:29:18 (1788636558)
create 5000 files
 - open/close 496 (time 1788636572.60 total 10.00 last 49.58)
 - open/close 973 (time 1788636582.60 total 20.01 last 47.69)
 - open/close 1503 (time 1788636592.61 total 30.01 last 52.96)
 - open/close 2007 (time 1788636602.63 total 40.03 last 50.31)
 - open/close 2515 (time 1788636612.64 total 50.04 last 50.76)
 - open/close 3030 (time 1788636622.65 total 60.05 last 51.45)
 - open/close 3514 (time 1788636632.68 total 70.08 last 48.26)
 - open/close 3985 (time 1788636642.69 total 80.09 last 47.04)
 - open/close 4474 (time 1788636652.71 total 90.11 last 48.80)
 - open/close 4993 (time 1788636662.71 total 100.12 last 51.89)
total: 5000 open/close in 100.22 seconds: 49.89 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788636668 ; total 0 ; last 0)
total: 5000 unlinks in 72 seconds: 69.444443 unlinks/second
fail_loc=0