== sanity test 60c: unlink file when mds full ============ 12:53:40 (1780332820)
create 5000 files
 - open/close 464 (time 1780332833.86 total 10.00 last 46.38)
 - open/close 920 (time 1780332843.87 total 20.02 last 45.54)
 - open/close 1396 (time 1780332853.87 total 30.02 last 47.60)
 - open/close 1872 (time 1780332863.89 total 40.04 last 47.51)
 - open/close 2333 (time 1780332873.91 total 50.06 last 46.01)
 - open/close 2758 (time 1780332883.92 total 60.07 last 42.46)
 - open/close 3167 (time 1780332893.93 total 70.08 last 40.85)
 - open/close 3609 (time 1780332903.95 total 80.09 last 44.13)
 - open/close 4053 (time 1780332913.96 total 90.10 last 44.37)
 - open/close 4500 (time 1780332923.97 total 100.11 last 44.65)
 - open/close 4918 (time 1780332933.97 total 110.11 last 41.79)
total: 5000 open/close in 111.87 seconds: 44.69 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1780332940 ; total 0 ; last 0)
total: 5000 unlinks in 78 seconds: 64.102562 unlinks/second
fail_loc=0