== sanity test 60c: unlink file when mds full ============ 00:53:59 (1784696039)
create 5000 files
 - open/close 482 (time 1784696052.92 total 10.01 last 48.14)
 - open/close 995 (time 1784696062.93 total 20.02 last 51.27)
 - open/close 1594 (time 1784696072.94 total 30.03 last 59.84)
 - open/close 2215 (time 1784696082.95 total 40.04 last 62.05)
 - open/close 2783 (time 1784696092.96 total 50.05 last 56.75)
 - open/close 3392 (time 1784696102.96 total 60.05 last 60.86)
 - open/close 3955 (time 1784696112.98 total 70.07 last 56.20)
 - open/close 4573 (time 1784696122.99 total 80.08 last 61.76)
total: 5000 open/close in 87.62 seconds: 57.06 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1784696134 ; total 0 ; last 0)
total: 5000 unlinks in 56 seconds: 89.285713 unlinks/second
fail_loc=0