== sanity test 60c: unlink file when mds full ============ 20:39:19 (1781224759)
create 5000 files
 - open/close 461 (time 1781224774.37 total 10.01 last 46.06)
 - open/close 881 (time 1781224784.37 total 20.02 last 41.97)
 - open/close 1326 (time 1781224794.39 total 30.03 last 44.42)
 - open/close 1723 (time 1781224804.40 total 40.04 last 39.68)
 - open/close 2022 (time 1781224814.40 total 50.04 last 29.89)
 - open/close 2235 (time 1781224824.41 total 60.05 last 21.28)
 - open/close 2528 (time 1781224834.43 total 70.07 last 29.23)
 - open/close 2903 (time 1781224844.44 total 80.08 last 37.47)
 - open/close 3375 (time 1781224854.48 total 90.12 last 47.05)
 - open/close 3767 (time 1781224864.49 total 100.13 last 39.15)
 - open/close 4235 (time 1781224874.51 total 110.15 last 46.70)
 - open/close 4639 (time 1781224884.52 total 120.16 last 40.37)
total: 5000 open/close in 129.88 seconds: 38.50 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1781224899 ; total 0 ; last 0)
total: 5000 unlinks in 83 seconds: 60.240963 unlinks/second
fail_loc=0