== sanity test 60c: unlink file when mds full ============ 16:02:55 (1775764975)
create 5000 files
 - open/close 488 (time 1775764990.00 total 10.00 last 48.78)
 - open/close 977 (time 1775765000.02 total 20.02 last 48.83)
 - open/close 1510 (time 1775765010.03 total 30.03 last 53.25)
 - open/close 2017 (time 1775765020.03 total 40.04 last 50.66)
 - open/close 2483 (time 1775765030.04 total 50.04 last 46.58)
 - open/close 2979 (time 1775765040.04 total 60.05 last 49.57)
 - open/close 3450 (time 1775765050.05 total 70.06 last 47.06)
 - open/close 3924 (time 1775765060.06 total 80.06 last 47.38)
 - open/close 4375 (time 1775765070.08 total 90.08 last 45.02)
 - open/close 4850 (time 1775765080.09 total 100.09 last 47.45)
total: 5000 open/close in 103.32 seconds: 48.39 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1775765087 ; total 0 ; last 0)
total: 5000 unlinks in 73 seconds: 68.493149 unlinks/second
fail_loc=0