== sanity test 60c: unlink file when mds full ============ 08:56:42 (1790945802)
create 5000 files
 - open/close 474 (time 1790945816.22 total 10.00 last 47.39)
 - open/close 944 (time 1790945826.24 total 20.02 last 46.90)
 - open/close 1427 (time 1790945836.25 total 30.03 last 48.26)
 - open/close 1870 (time 1790945846.26 total 40.05 last 44.23)
 - open/close 2348 (time 1790945856.27 total 50.05 last 47.77)
 - open/close 2770 (time 1790945866.28 total 60.06 last 42.16)
 - open/close 3233 (time 1790945876.28 total 70.07 last 46.29)
 - open/close 3693 (time 1790945886.31 total 80.10 last 45.86)
 - open/close 4206 (time 1790945896.32 total 90.10 last 51.27)
 - open/close 4654 (time 1790945906.32 total 100.10 last 44.80)
total: 5000 open/close in 107.04 seconds: 46.71 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1790945917 ; total 0 ; last 0)
total: 5000 unlinks in 70 seconds: 71.428574 unlinks/second
fail_loc=0