== sanity test 60c: unlink file when mds full ============ 13:27:06 (1780334826)
create 5000 files
 - open/close 724 (time 1780334841.19 total 10.01 last 72.33)
 - open/close 1360 (time 1780334851.19 total 20.01 last 63.59)
 - open/close 1903 (time 1780334861.21 total 30.02 last 54.24)
 - open/close 2447 (time 1780334871.21 total 40.03 last 54.38)
 - open/close 3003 (time 1780334881.21 total 50.03 last 55.58)
 - open/close 3499 (time 1780334891.23 total 60.04 last 49.53)
 - open/close 4039 (time 1780334901.24 total 70.05 last 53.95)
 - open/close 4672 (time 1780334911.26 total 80.07 last 63.18)
total: 5000 open/close in 86.60 seconds: 57.74 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1780334922 ; total 0 ; last 0)
total: 5000 unlinks in 56 seconds: 89.285713 unlinks/second
fail_loc=0