== sanity test 60c: unlink file when mds full ============ 17:09:40 (1785964180)
create 5000 files
 - open/close 755 (time 1785964194.12 total 10.00 last 75.49)
 - open/close 1455 (time 1785964204.15 total 20.03 last 69.80)
 - open/close 2141 (time 1785964214.16 total 30.04 last 68.54)
 - open/close 2825 (time 1785964224.17 total 40.05 last 68.35)
 - open/close 3649 (time 1785964234.18 total 50.06 last 82.31)
 - open/close 4344 (time 1785964244.19 total 60.07 last 69.41)
total: 5000 open/close in 69.61 seconds: 71.83 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1785964257 ; total 0 ; last 0)
total: 5000 unlinks in 57 seconds: 87.719299 unlinks/second
fail_loc=0