== sanity test 60c: unlink file when mds full ============ 02:25:56 (1785392756)
create 5000 files
 - open/close 452 (time 1785392771.62 total 10.03 last 45.05)
 - open/close 857 (time 1785392781.63 total 20.05 last 40.45)
 - open/close 1259 (time 1785392791.65 total 30.07 last 40.12)
 - open/close 1813 (time 1785392801.66 total 40.07 last 55.38)
 - open/close 2476 (time 1785392811.66 total 50.07 last 66.29)
 - open/close 3040 (time 1785392821.68 total 60.09 last 56.28)
 - open/close 3408 (time 1785392831.68 total 70.10 last 36.79)
 - open/close 3794 (time 1785392841.72 total 80.13 last 38.48)
 - open/close 4258 (time 1785392851.72 total 90.14 last 46.36)
 - open/close 4942 (time 1785392861.74 total 100.15 last 68.32)
total: 5000 open/close in 101.49 seconds: 49.26 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1785392870 ; total 0 ; last 0)
total: 5000 unlinks in 95 seconds: 52.631580 unlinks/second
fail_loc=0