== sanity test 60c: unlink file when mds full ============ 04:57:17 (1790672237)
create 5000 files
 - open/close 485 (time 1790672252.19 total 10.02 last 48.41)
 - open/close 941 (time 1790672262.20 total 20.02 last 45.59)
 - open/close 1443 (time 1790672272.20 total 30.02 last 50.19)
 - open/close 1924 (time 1790672282.20 total 40.03 last 48.08)
 - open/close 2405 (time 1790672292.24 total 50.07 last 47.92)
 - open/close 2837 (time 1790672302.24 total 60.07 last 43.20)
 - open/close 3273 (time 1790672312.25 total 70.07 last 43.57)
 - open/close 3683 (time 1790672322.25 total 80.07 last 41.00)
 - open/close 4196 (time 1790672332.26 total 90.09 last 51.22)
 - open/close 4628 (time 1790672342.30 total 100.12 last 43.05)
 - open/close 4932 (time 1790672352.31 total 110.13 last 30.36)
total: 5000 open/close in 112.44 seconds: 44.47 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1790672360 ; total 0 ; last 0)
total: 5000 unlinks in 82 seconds: 60.975609 unlinks/second
fail_loc=0