== sanity test 60c: unlink file when mds full ============ 01:58:05 (1790920685)
create 5000 files
 - open/close 621 (time 1790920700.15 total 10.00 last 62.10)
 - open/close 1189 (time 1790920710.17 total 20.01 last 56.72)
 - open/close 1793 (time 1790920720.17 total 30.02 last 60.38)
 - open/close 2363 (time 1790920730.19 total 40.04 last 56.90)
 - open/close 2877 (time 1790920740.20 total 50.04 last 51.35)
 - open/close 3358 (time 1790920750.23 total 60.08 last 47.95)
 - open/close 3780 (time 1790920760.24 total 70.09 last 42.15)
 - open/close 4194 (time 1790920770.27 total 80.12 last 41.27)
 - open/close 4653 (time 1790920780.29 total 90.14 last 45.81)
total: 5000 open/close in 98.57 seconds: 50.72 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1790920792 ; total 0 ; last 0)
total: 5000 unlinks in 59 seconds: 84.745766 unlinks/second
fail_loc=0