== sanity test 60c: unlink file when mds full ============ 20:31:26 (1778286686)
create 5000 files
 - open/close 460 (time 1778286700.32 total 10.01 last 45.95)
 - open/close 886 (time 1778286710.34 total 20.03 last 42.52)
 - open/close 1295 (time 1778286720.34 total 30.03 last 40.90)
 - open/close 1774 (time 1778286730.36 total 40.05 last 47.82)
 - open/close 2225 (time 1778286740.36 total 50.05 last 45.10)
 - open/close 2697 (time 1778286750.39 total 60.08 last 47.06)
 - open/close 3186 (time 1778286760.40 total 70.09 last 48.84)
 - open/close 3615 (time 1778286770.42 total 80.11 last 42.83)
 - open/close 4045 (time 1778286780.45 total 90.13 last 42.89)
 - open/close 4456 (time 1778286790.46 total 100.15 last 41.04)
 - open/close 4858 (time 1778286800.47 total 110.15 last 40.17)
total: 5000 open/close in 113.47 seconds: 44.07 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1778286808 ; total 0 ; last 0)
total: 5000 unlinks in 78 seconds: 64.102562 unlinks/second
fail_loc=0