== sanity test 60c: unlink file when mds full ============ 09:00:25 (1789477225)
create 5000 files
 - open/close 420 (time 1789477239.17 total 10.03 last 41.88)
 - open/close 876 (time 1789477249.19 total 20.05 last 45.50)
 - open/close 1311 (time 1789477259.20 total 30.06 last 43.46)
 - open/close 1703 (time 1789477269.20 total 40.06 last 39.17)
 - open/close 2188 (time 1789477279.21 total 50.07 last 48.48)
 - open/close 2665 (time 1789477289.21 total 60.07 last 47.68)
 - open/close 3119 (time 1789477299.23 total 70.09 last 45.33)
 - open/close 3547 (time 1789477309.24 total 80.10 last 42.74)
 - open/close 3965 (time 1789477319.26 total 90.12 last 41.72)
 - open/close 4408 (time 1789477329.26 total 100.12 last 44.28)
 - open/close 4847 (time 1789477339.27 total 110.13 last 43.85)
total: 5000 open/close in 113.63 seconds: 44.00 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789477346 ; total 0 ; last 0)
total: 5000 unlinks in 81 seconds: 61.728394 unlinks/second
fail_loc=0