== sanity test 60c: unlink file when mds full ============ 10:45:17 (1775832317)
create 5000 files
 - open/close 564 (time 1775832330.39 total 10.01 last 56.37)
 - open/close 1096 (time 1775832340.41 total 20.03 last 53.09)
 - open/close 1607 (time 1775832350.42 total 30.03 last 51.05)
 - open/close 2179 (time 1775832360.43 total 40.05 last 57.13)
 - open/close 2727 (time 1775832370.45 total 50.06 last 54.72)
 - open/close 3282 (time 1775832380.47 total 60.08 last 55.40)
 - open/close 3808 (time 1775832390.47 total 70.09 last 52.56)
 - open/close 4397 (time 1775832400.49 total 80.10 last 58.83)
 - open/close 4939 (time 1775832410.49 total 90.10 last 54.19)
total: 5000 open/close in 91.14 seconds: 54.86 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1775832414 ; total 0 ; last 0)
total: 5000 unlinks in 51 seconds: 98.039215 unlinks/second
fail_loc=0