== sanity test 60c: unlink file when mds full ============ 00:52:01 (1780807921)
create 5000 files
 - open/close 1760 (time 1780807932.80 total 10.00 last 176.00)
 - open/close 3194 (time 1780807942.81 total 20.00 last 143.33)
 - open/close 4719 (time 1780807952.81 total 30.01 last 152.43)
total: 5000 open/close in 31.84 seconds: 157.01 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1780807956 ; total 0 ; last 0)
total: 5000 unlinks in 22 seconds: 227.272720 unlinks/second
fail_loc=0