== sanity test 60c: unlink file when mds full ============ 17:54:01 (1775166841)
create 5000 files
 - open/close 668 (time 1775166854.03 total 10.01 last 66.75)
 - open/close 1309 (time 1775166864.05 total 20.02 last 64.02)
 - open/close 2022 (time 1775166874.05 total 30.03 last 71.25)
 - open/close 2701 (time 1775166884.06 total 40.04 last 67.83)
 - open/close 3327 (time 1775166894.09 total 50.06 last 62.47)
 - open/close 3979 (time 1775166904.11 total 60.08 last 65.06)
 - open/close 4609 (time 1775166914.12 total 70.09 last 62.94)
total: 5000 open/close in 76.23 seconds: 65.59 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1775166922 ; total 0 ; last 0)
total: 5000 unlinks in 52 seconds: 96.153847 unlinks/second
fail_loc=0