== sanity test 60c: unlink file when mds full ============ 22:53:50 (1773197630)
create 5000 files
 - open/close 502 (time 1773197645.03 total 10.01 last 50.16)
 - open/close 1099 (time 1773197655.04 total 20.01 last 59.67)
 - open/close 1743 (time 1773197665.06 total 30.03 last 64.27)
 - open/close 2332 (time 1773197675.06 total 40.04 last 58.87)
 - open/close 3001 (time 1773197685.07 total 50.05 last 66.83)
 - open/close 3737 (time 1773197695.09 total 60.06 last 73.50)
 - open/close 4331 (time 1773197705.10 total 70.07 last 59.33)
 - open/close 4890 (time 1773197715.11 total 80.08 last 55.86)
total: 5000 open/close in 82.08 seconds: 60.92 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1773197721 ; total 0 ; last 0)
total: 5000 unlinks in 59 seconds: 84.745766 unlinks/second
fail_loc=0