== sanity test 60c: unlink file when mds full ============ 16:22:10 (1786479730)
create 5000 files
 - open/close 625 (time 1786479742.58 total 10.02 last 62.40)
 - open/close 1215 (time 1786479752.58 total 20.02 last 58.97)
 - open/close 1813 (time 1786479762.59 total 30.03 last 59.76)
 - open/close 2362 (time 1786479772.59 total 40.03 last 54.90)
 - open/close 2937 (time 1786479782.59 total 50.03 last 57.47)
 - open/close 3573 (time 1786479792.60 total 60.04 last 63.58)
 - open/close 4221 (time 1786479802.60 total 70.04 last 64.76)
 - open/close 4864 (time 1786479812.61 total 80.05 last 64.24)
total: 5000 open/close in 82.12 seconds: 60.89 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786479818 ; total 0 ; last 0)
total: 5000 unlinks in 52 seconds: 96.153847 unlinks/second
fail_loc=0