== sanity test 60c: unlink file when mds full ============ 17:51:08 (1786830668)
create 5000 files
 - open/close 450 (time 1786830682.86 total 10.01 last 44.95)
 - open/close 854 (time 1786830692.86 total 20.01 last 40.39)
 - open/close 1331 (time 1786830702.87 total 30.02 last 47.69)
 - open/close 1846 (time 1786830712.88 total 40.03 last 51.42)
 - open/close 2367 (time 1786830722.89 total 50.04 last 52.07)
 - open/close 2966 (time 1786830732.89 total 60.05 last 59.86)
 - open/close 3499 (time 1786830742.90 total 70.05 last 53.28)
 - open/close 3980 (time 1786830752.92 total 80.07 last 48.00)
 - open/close 4423 (time 1786830762.93 total 90.08 last 44.27)
 - open/close 4942 (time 1786830772.94 total 100.09 last 51.83)
total: 5000 open/close in 100.93 seconds: 49.54 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786830777 ; total 0 ; last 0)
total: 5000 unlinks in 83 seconds: 60.240963 unlinks/second
fail_loc=0