== sanity test 60c: unlink file when mds full ============ 13:17:48 (1789579068)
create 5000 files
 - open/close 733 (time 1789579082.35 total 10.01 last 73.24)
 - open/close 1385 (time 1789579092.36 total 20.01 last 65.16)
 - open/close 2130 (time 1789579102.37 total 30.02 last 74.45)
 - open/close 2854 (time 1789579112.38 total 40.03 last 72.33)
 - open/close 3545 (time 1789579122.39 total 50.04 last 69.02)
 - open/close 4065 (time 1789579132.42 total 60.07 last 51.86)
 - open/close 4666 (time 1789579142.43 total 70.08 last 60.02)
total: 5000 open/close in 77.00 seconds: 64.94 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789579155 ; total 0 ; last 0)
total: 5000 unlinks in 59 seconds: 84.745766 unlinks/second
fail_loc=0