== sanity test 60c: unlink file when mds full ============ 22:32:21 (1739503941)
create 5000 files
 - open/close 986 (time 1739503952.99 total 10.01 last 98.48)
 - open/close 1937 (time 1739503963.00 total 20.02 last 95.05)
 - open/close 2579 (time 1739503973.02 total 30.03 last 64.10)
 - open/close 3072 (time 1739503983.02 total 40.04 last 49.25)
 - open/close 3677 (time 1739503993.03 total 50.04 last 60.48)
 - open/close 4426 (time 1739504003.04 total 60.05 last 74.83)
total: 5000 open/close in 69.54 seconds: 71.90 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1739504015 ; total 0 ; last 0)
total: 5000 unlinks in 40 seconds: 125.000000 unlinks/second
fail_loc=0