== sanity test 60c: unlink file when mds full ============ 22:06:26 (1787364386)
create 5000 files
 - open/close 580 (time 1787364400.40 total 10.00 last 57.98)
 - open/close 1054 (time 1787364410.42 total 20.02 last 47.30)
 - open/close 1603 (time 1787364420.43 total 30.03 last 54.85)
 - open/close 2195 (time 1787364430.47 total 40.07 last 58.99)
 - open/close 2625 (time 1787364440.47 total 50.08 last 42.97)
 - open/close 3148 (time 1787364450.48 total 60.08 last 52.28)
 - open/close 3652 (time 1787364460.49 total 70.09 last 50.36)
 - open/close 4073 (time 1787364470.51 total 80.11 last 42.01)
 - open/close 4571 (time 1787364480.53 total 90.13 last 49.71)
total: 5000 open/close in 99.31 seconds: 50.35 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787364494 ; total 0 ; last 0)
total: 5000 unlinks in 68 seconds: 73.529411 unlinks/second
fail_loc=0