== sanity test 60c: unlink file when mds full ============ 16:34:25 (1786480465)
create 5000 files
 - open/close 486 (time 1786480480.29 total 10.01 last 48.57)
 - open/close 993 (time 1786480490.30 total 20.02 last 50.65)
 - open/close 1440 (time 1786480500.32 total 30.03 last 44.64)
 - open/close 1860 (time 1786480510.38 total 40.09 last 41.75)
 - open/close 2309 (time 1786480520.38 total 50.09 last 44.88)
 - open/close 2785 (time 1786480530.39 total 60.10 last 47.57)
 - open/close 3228 (time 1786480540.39 total 70.11 last 44.28)
 - open/close 3682 (time 1786480550.40 total 80.11 last 45.36)
 - open/close 4126 (time 1786480560.42 total 90.13 last 44.31)
 - open/close 4555 (time 1786480570.43 total 100.14 last 42.87)
total: 5000 open/close in 110.09 seconds: 45.42 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786480584 ; total 0 ; last 0)
total: 5000 unlinks in 77 seconds: 64.935066 unlinks/second
fail_loc=0