== sanity test 60c: unlink file when mds full ============ 12:10:58 (1790784658)
create 5000 files
 - open/close 488 (time 1790784674.16 total 10.02 last 48.71)
 - open/close 880 (time 1790784684.17 total 20.02 last 39.18)
 - open/close 1261 (time 1790784694.21 total 30.06 last 37.96)
 - open/close 1715 (time 1790784704.22 total 40.07 last 45.35)
 - open/close 2128 (time 1790784714.24 total 50.09 last 41.23)
 - open/close 2692 (time 1790784724.25 total 60.10 last 56.33)
 - open/close 3231 (time 1790784734.27 total 70.12 last 53.79)
 - open/close 3747 (time 1790784744.28 total 80.13 last 51.55)
 - open/close 4257 (time 1790784754.28 total 90.13 last 50.99)
 - open/close 4803 (time 1790784764.28 total 100.13 last 54.59)
total: 5000 open/close in 103.74 seconds: 48.20 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1790784772 ; total 0 ; last 0)
total: 5000 unlinks in 63 seconds: 79.365082 unlinks/second
fail_loc=0