== sanity test 60c: unlink file when mds full ============ 04:36:34 (1784277394)
create 5000 files
 - open/close 1650 (time 1784277406.78 total 10.01 last 164.87)
 - open/close 3153 (time 1784277416.79 total 20.01 last 150.27)
 - open/close 4878 (time 1784277426.80 total 30.02 last 172.33)
total: 5000 open/close in 30.64 seconds: 163.21 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1784277428 ; total 0 ; last 0)
total: 5000 unlinks in 19 seconds: 263.157898 unlinks/second
fail_loc=0