== sanity test 60c: unlink file when mds full ============ 02:36:09 (1787380569)
create 5000 files
 - open/close 561 (time 1787380582.86 total 10.01 last 56.05)
 - open/close 1113 (time 1787380592.86 total 20.01 last 55.18)
 - open/close 1629 (time 1787380602.86 total 30.01 last 51.60)
 - open/close 2083 (time 1787380612.87 total 40.03 last 45.35)
 - open/close 2629 (time 1787380622.88 total 50.03 last 54.56)
 - open/close 3165 (time 1787380632.88 total 60.04 last 53.59)
 - open/close 3712 (time 1787380642.89 total 70.04 last 54.65)
 - open/close 4264 (time 1787380652.90 total 80.06 last 55.14)
 - open/close 4750 (time 1787380662.91 total 90.06 last 48.59)
total: 5000 open/close in 95.48 seconds: 52.37 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787380672 ; total 0 ; last 0)
total: 5000 unlinks in 69 seconds: 72.463768 unlinks/second
fail_loc=0