== sanity test 60c: unlink file when mds full ============ 04:24:14 (1768555454)
create 5000 files
 - open/close 499 (time 1768555468.42 total 10.00 last 49.88)
 - open/close 1075 (time 1768555478.42 total 20.01 last 57.59)
 - open/close 1580 (time 1768555488.44 total 30.03 last 50.41)
 - open/close 2080 (time 1768555498.45 total 40.04 last 49.95)
 - open/close 2486 (time 1768555508.46 total 50.04 last 40.57)
 - open/close 2997 (time 1768555518.46 total 60.05 last 51.08)
 - open/close 3553 (time 1768555528.48 total 70.06 last 55.52)
 - open/close 4023 (time 1768555538.48 total 80.07 last 46.97)
 - open/close 4456 (time 1768555548.49 total 90.07 last 43.29)
 - open/close 4948 (time 1768555558.50 total 100.08 last 49.13)
total: 5000 open/close in 100.96 seconds: 49.52 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1768555563 ; total 0 ; last 0)
total: 5000 unlinks in 75 seconds: 66.666664 unlinks/second
fail_loc=0