== sanity test 60c: unlink file when mds full ============ 21:59:12 (1783562352)
create 5000 files
 - open/close 693 (time 1783562365.07 total 10.00 last 69.29)
 - open/close 1432 (time 1783562375.08 total 20.01 last 73.82)
 - open/close 2153 (time 1783562385.08 total 30.02 last 72.07)
 - open/close 2767 (time 1783562395.10 total 40.03 last 61.31)
 - open/close 3417 (time 1783562405.11 total 50.04 last 64.94)
 - open/close 4110 (time 1783562415.11 total 60.04 last 69.28)
 - open/close 4746 (time 1783562425.12 total 70.05 last 63.57)
total: 5000 open/close in 73.31 seconds: 68.20 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1783562430 ; total 0 ; last 0)
total: 5000 unlinks in 36 seconds: 138.888885 unlinks/second
fail_loc=0