== sanity test 60c: unlink file when mds full ============ 17:08:52 (1785964132)
create 5000 files
 - open/close 611 (time 1785964145.14 total 10.00 last 61.09)
 - open/close 1204 (time 1785964155.16 total 20.02 last 59.21)
 - open/close 1762 (time 1785964165.16 total 30.02 last 55.77)
 - open/close 2349 (time 1785964175.16 total 40.02 last 58.69)
 - open/close 2880 (time 1785964185.19 total 50.06 last 52.93)
 - open/close 3459 (time 1785964195.21 total 60.07 last 57.83)
 - open/close 3995 (time 1785964205.22 total 70.08 last 53.54)
 - open/close 4508 (time 1785964215.23 total 80.09 last 51.25)
total: 5000 open/close in 89.09 seconds: 56.12 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1785964228 ; total 0 ; last 0)
total: 5000 unlinks in 69 seconds: 72.463768 unlinks/second
fail_loc=0