== sanity test 60c: unlink file when mds full ============ 00:15:41 (1788581741)
create 5000 files
 - open/close 471 (time 1788581755.87 total 10.01 last 47.06)
 - open/close 917 (time 1788581765.90 total 20.04 last 44.44)
 - open/close 1384 (time 1788581775.91 total 30.05 last 46.67)
 - open/close 1911 (time 1788581785.92 total 40.06 last 52.67)
 - open/close 2369 (time 1788581795.94 total 50.08 last 45.71)
 - open/close 2791 (time 1788581805.96 total 60.10 last 42.09)
 - open/close 3211 (time 1788581815.97 total 70.11 last 41.98)
 - open/close 3668 (time 1788581825.97 total 80.12 last 45.68)
 - open/close 4130 (time 1788581836.00 total 90.14 last 46.08)
 - open/close 4540 (time 1788581846.03 total 100.17 last 40.87)
 - open/close 4959 (time 1788581856.07 total 110.21 last 41.72)
total: 5000 open/close in 111.32 seconds: 44.91 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788581862 ; total 0 ; last 0)
total: 5000 unlinks in 73 seconds: 68.493149 unlinks/second
fail_loc=0