== sanity test 60c: unlink file when mds full ============ 10:25:49 (1760451949)
create 5000 files
 - open/close 1172 (time 1760451961.60 total 10.01 last 117.12)
 - open/close 2285 (time 1760451971.61 total 20.01 last 111.21)
 - open/close 3336 (time 1760451981.61 total 30.02 last 105.08)
 - open/close 4514 (time 1760451991.62 total 40.02 last 117.77)
total: 5000 open/close in 43.44 seconds: 115.10 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1760451996 ; total 0 ; last 0)
total: 5000 unlinks in 20 seconds: 250.000000 unlinks/second
fail_loc=0