== sanity test 60c: unlink file when mds full ============ 14:09:03 (1780337343)
create 5000 files
 - open/close 631 (time 1780337357.56 total 10.00 last 63.07)
 - open/close 1245 (time 1780337367.56 total 20.01 last 61.40)
 - open/close 1783 (time 1780337377.57 total 30.02 last 53.74)
 - open/close 2396 (time 1780337387.58 total 40.02 last 61.25)
 - open/close 2969 (time 1780337397.58 total 50.02 last 57.30)
 - open/close 3582 (time 1780337407.59 total 60.03 last 61.24)
 - open/close 4159 (time 1780337417.60 total 70.04 last 57.66)
 - open/close 4666 (time 1780337427.61 total 80.05 last 50.66)
total: 5000 open/close in 86.39 seconds: 57.88 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1780337438 ; total 0 ; last 0)
total: 5000 unlinks in 65 seconds: 76.923080 unlinks/second
fail_loc=0