== sanity test 60c: unlink file when mds full ============ 15:49:50 (1768250990)
create 5000 files
 - open/close 481 (time 1768251005.13 total 10.00 last 48.10)
 - open/close 939 (time 1768251015.16 total 20.03 last 45.68)
 - open/close 1503 (time 1768251025.17 total 30.03 last 56.35)
 - open/close 2048 (time 1768251035.17 total 40.04 last 54.47)
 - open/close 2677 (time 1768251045.17 total 50.04 last 62.89)
 - open/close 3139 (time 1768251055.18 total 60.04 last 46.19)
 - open/close 3682 (time 1768251065.19 total 70.06 last 54.20)
 - open/close 4222 (time 1768251075.21 total 80.07 last 53.93)
 - open/close 4795 (time 1768251085.21 total 90.08 last 57.27)
total: 5000 open/close in 93.69 seconds: 53.37 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1768251093 ; total 0 ; last 0)
total: 5000 unlinks in 62 seconds: 80.645164 unlinks/second
fail_loc=0