== sanity test 60c: unlink file when mds full ============ 18:17:18 (1784413038)
create 5000 files
 - open/close 2217 (time 1784413049.86 total 10.00 last 221.61)
 - open/close 4505 (time 1784413059.87 total 20.01 last 228.71)
total: 5000 open/close in 22.28 seconds: 224.38 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1784413063 ; total 0 ; last 0)
total: 5000 unlinks in 16 seconds: 312.500000 unlinks/second
fail_loc=0