== sanity test 60c: unlink file when mds full ============ 15:50:27 (1790711427)
create 5000 files
 - open/close 400 (time 1790711443.67 total 10.02 last 39.92)
 - open/close 932 (time 1790711453.68 total 20.03 last 53.16)
 - open/close 1391 (time 1790711463.69 total 30.03 last 45.88)
 - open/close 1869 (time 1790711473.69 total 40.04 last 47.77)
 - open/close 2333 (time 1790711483.70 total 50.04 last 46.37)
 - open/close 2772 (time 1790711493.71 total 60.06 last 43.83)
 - open/close 3142 (time 1790711503.72 total 70.07 last 36.98)
 - open/close 3517 (time 1790711513.72 total 80.07 last 37.49)
 - open/close 3919 (time 1790711523.73 total 90.08 last 40.16)
 - open/close 4337 (time 1790711533.75 total 100.10 last 41.70)
 - open/close 4717 (time 1790711543.76 total 110.11 last 37.97)
total: 5000 open/close in 116.71 seconds: 42.84 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1790711555 ; total 0 ; last 0)
total: 5000 unlinks in 78 seconds: 64.102562 unlinks/second
fail_loc=0