== sanity test 60c: unlink file when mds full ============ 21:59:30 (1789351170)
create 5000 files
 - open/close 1512 (time 1789351182.58 total 10.00 last 151.19)
 - open/close 3059 (time 1789351192.59 total 20.00 last 154.67)
 - open/close 4461 (time 1789351202.59 total 30.01 last 140.10)
total: 5000 open/close in 34.45 seconds: 145.12 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789351208 ; total 0 ; last 0)
total: 5000 unlinks in 30 seconds: 166.666672 unlinks/second
fail_loc=0