== sanity test 60c: unlink file when mds full ============ 17:15:26 (1717017326)
create 5000 files
 - open/close 1400 (time 1717017338.44 total 10.00 last 139.97)
 - open/close 2853 (time 1717017348.44 total 20.01 last 145.25)
 - open/close 4355 (time 1717017358.45 total 30.01 last 150.16)
total: 5000 open/close in 34.84 seconds: 143.51 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1717017364 ; total 0 ; last 0)
total: 5000 unlinks in 21 seconds: 238.095245 unlinks/second
fail_loc=0