== sanity test 60c: unlink file when mds full ============ 16:45:36 (1787604336)
create 5000 files
 - open/close 595 (time 1787604350.00 total 10.01 last 59.42)
 - open/close 1187 (time 1787604360.02 total 20.03 last 59.09)
 - open/close 1798 (time 1787604370.02 total 30.04 last 61.08)
 - open/close 2409 (time 1787604380.02 total 40.04 last 61.09)
 - open/close 3046 (time 1787604390.03 total 50.04 last 63.66)
 - open/close 3641 (time 1787604400.06 total 60.07 last 59.33)
 - open/close 4214 (time 1787604410.07 total 70.08 last 57.25)
 - open/close 4801 (time 1787604420.08 total 80.09 last 58.64)
total: 5000 open/close in 83.73 seconds: 59.72 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787604427 ; total 0 ; last 0)
total: 5000 unlinks in 62 seconds: 80.645164 unlinks/second
fail_loc=0