== sanity test 60c: unlink file when mds full ============ 18:24:10 (1763335450)
create 5000 files
 - open/close 572 (time 1763335464.04 total 10.02 last 57.11)
 - open/close 1133 (time 1763335474.04 total 20.02 last 56.09)
 - open/close 1672 (time 1763335484.04 total 30.02 last 53.88)
 - open/close 2167 (time 1763335494.05 total 40.03 last 49.47)
 - open/close 2699 (time 1763335504.07 total 50.04 last 53.11)
 - open/close 3232 (time 1763335514.08 total 60.06 last 53.20)
 - open/close 3741 (time 1763335524.10 total 70.08 last 50.83)
 - open/close 4235 (time 1763335534.12 total 80.10 last 49.28)
 - open/close 4698 (time 1763335544.14 total 90.12 last 46.22)
total: 5000 open/close in 97.22 seconds: 51.43 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1763335555 ; total 0 ; last 0)
total: 5000 unlinks in 71 seconds: 70.422539 unlinks/second
fail_loc=0