== sanity test 60c: unlink file when mds full ============ 06:07:47 (1775124467)
create 5000 files
 - open/close 706 (time 1775124480.62 total 10.01 last 70.52)
 - open/close 1396 (time 1775124490.63 total 20.02 last 68.95)
 - open/close 2033 (time 1775124500.64 total 30.03 last 63.64)
 - open/close 2654 (time 1775124510.64 total 40.04 last 62.05)
 - open/close 3296 (time 1775124520.65 total 50.04 last 64.17)
 - open/close 3826 (time 1775124530.66 total 60.05 last 52.95)
 - open/close 4407 (time 1775124540.66 total 70.05 last 58.10)
 - open/close 4996 (time 1775124550.67 total 80.06 last 58.82)
total: 5000 open/close in 80.11 seconds: 62.41 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1775124555 ; total 0 ; last 0)
total: 5000 unlinks in 56 seconds: 89.285713 unlinks/second
fail_loc=0