== sanity test 60c: unlink file when mds full ============ 21:58:22 (1790733502)
create 5000 files
 - open/close 490 (time 1790733516.51 total 10.03 last 48.87)
 - open/close 956 (time 1790733526.52 total 20.03 last 46.57)
 - open/close 1428 (time 1790733536.54 total 30.06 last 47.08)
 - open/close 1934 (time 1790733546.56 total 40.07 last 50.52)
 - open/close 2406 (time 1790733556.57 total 50.09 last 47.13)
 - open/close 2887 (time 1790733566.58 total 60.10 last 48.07)
 - open/close 3321 (time 1790733576.60 total 70.11 last 43.32)
 - open/close 3787 (time 1790733586.62 total 80.13 last 46.52)
 - open/close 4262 (time 1790733596.63 total 90.15 last 47.42)
 - open/close 4725 (time 1790733606.64 total 100.16 last 46.26)
total: 5000 open/close in 106.07 seconds: 47.14 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1790733616 ; total 0 ; last 0)
total: 5000 unlinks in 73 seconds: 68.493149 unlinks/second
fail_loc=0