== sanity test 60c: unlink file when mds full ============ 02:59:07 (1787381947)
create 5000 files
 - open/close 411 (time 1787381961.53 total 10.02 last 41.02)
 - open/close 886 (time 1787381971.54 total 20.03 last 47.45)
 - open/close 1416 (time 1787381981.55 total 30.04 last 52.94)
 - open/close 1890 (time 1787381991.57 total 40.05 last 47.33)
 - open/close 2369 (time 1787382001.57 total 50.06 last 47.88)
 - open/close 2845 (time 1787382011.58 total 60.07 last 47.54)
 - open/close 3322 (time 1787382021.59 total 70.08 last 47.66)
 - open/close 3806 (time 1787382031.59 total 80.08 last 48.39)
 - open/close 4258 (time 1787382041.61 total 90.10 last 45.12)
 - open/close 4749 (time 1787382051.62 total 100.11 last 49.06)
total: 5000 open/close in 105.33 seconds: 47.47 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787382061 ; total 0 ; last 0)
total: 5000 unlinks in 78 seconds: 64.102562 unlinks/second
fail_loc=0