== sanity test 60c: unlink file when mds full ============ 03:11:06 (1785395466)
create 5000 files
 - open/close 388 (time 1785395482.14 total 10.04 last 38.66)
 - open/close 860 (time 1785395492.15 total 20.05 last 47.15)
 - open/close 1381 (time 1785395502.16 total 30.05 last 52.08)
 - open/close 1706 (time 1785395512.19 total 40.08 last 32.40)
 - open/close 2036 (time 1785395522.21 total 50.11 last 32.93)
 - open/close 2659 (time 1785395532.22 total 60.12 last 62.23)
 - open/close 3153 (time 1785395542.24 total 70.13 last 49.31)
 - open/close 3661 (time 1785395552.25 total 80.14 last 50.77)
 - open/close 4334 (time 1785395562.29 total 90.18 last 67.01)
 - open/close 4843 (time 1785395572.30 total 100.19 last 50.86)
total: 5000 open/close in 103.37 seconds: 48.37 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1785395580 ; total 0 ; last 0)
total: 5000 unlinks in 88 seconds: 56.818180 unlinks/second
fail_loc=0