== sanity test 60c: unlink file when mds full ============ 19:59:51 (1786406391)
create 5000 files
 - open/close 520 (time 1786406406.83 total 10.02 last 51.91)
 - open/close 1030 (time 1786406416.84 total 20.03 last 50.94)
 - open/close 1484 (time 1786406426.84 total 30.03 last 45.40)
 - open/close 1980 (time 1786406436.85 total 40.04 last 49.56)
 - open/close 2520 (time 1786406446.86 total 50.04 last 53.96)
 - open/close 2986 (time 1786406456.86 total 60.05 last 46.58)
 - open/close 3493 (time 1786406466.88 total 70.07 last 50.58)
 - open/close 3979 (time 1786406476.89 total 80.08 last 48.55)
 - open/close 4460 (time 1786406486.92 total 90.11 last 47.97)
 - open/close 4921 (time 1786406496.93 total 100.12 last 46.04)
total: 5000 open/close in 101.78 seconds: 49.13 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786406503 ; total 0 ; last 0)
total: 5000 unlinks in 72 seconds: 69.444443 unlinks/second
fail_loc=0