== sanity test 60c: unlink file when mds full ============ 23:43:57 (1788666237)
create 5000 files
 - open/close 440 (time 1788666252.35 total 10.01 last 43.94)
 - open/close 924 (time 1788666262.37 total 20.03 last 48.30)
 - open/close 1366 (time 1788666272.38 total 30.04 last 44.16)
 - open/close 1826 (time 1788666282.39 total 40.06 last 45.93)
 - open/close 2267 (time 1788666292.39 total 50.06 last 44.10)
 - open/close 2707 (time 1788666302.40 total 60.06 last 44.00)
 - open/close 3154 (time 1788666312.40 total 70.07 last 44.67)
 - open/close 3594 (time 1788666322.41 total 80.08 last 43.95)
 - open/close 3994 (time 1788666332.42 total 90.08 last 39.98)
 - open/close 4428 (time 1788666342.43 total 100.10 last 43.34)
 - open/close 4885 (time 1788666352.47 total 110.14 last 45.51)
total: 5000 open/close in 112.73 seconds: 44.36 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788666360 ; total 0 ; last 0)
total: 5000 unlinks in 84 seconds: 59.523811 unlinks/second
fail_loc=0