== sanity test 60c: unlink file when mds full ============ 17:31:23 (1763332283)
create 5000 files
 - open/close 564 (time 1763332298.25 total 10.00 last 56.39)
 - open/close 1164 (time 1763332308.26 total 20.01 last 59.95)
 - open/close 1699 (time 1763332318.27 total 30.02 last 53.43)
 - open/close 2193 (time 1763332328.27 total 40.03 last 49.38)
 - open/close 2751 (time 1763332338.27 total 50.03 last 55.80)
 - open/close 3274 (time 1763332348.29 total 60.05 last 52.21)
 - open/close 3764 (time 1763332358.30 total 70.06 last 48.94)
 - open/close 4244 (time 1763332368.32 total 80.07 last 47.93)
 - open/close 4784 (time 1763332378.33 total 90.09 last 53.92)
total: 5000 open/close in 94.26 seconds: 53.05 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1763332386 ; total 0 ; last 0)
total: 5000 unlinks in 65 seconds: 76.923080 unlinks/second
fail_loc=0