== sanity test 60c: unlink file when mds full ============ 21:03:19 (1763344999)
create 5000 files
 - open/close 572 (time 1763345012.07 total 10.01 last 57.13)
 - open/close 1090 (time 1763345022.08 total 20.02 last 51.75)
 - open/close 1598 (time 1763345032.10 total 30.04 last 50.71)
 - open/close 2098 (time 1763345042.10 total 40.04 last 49.98)
 - open/close 2596 (time 1763345052.11 total 50.05 last 49.75)
 - open/close 3087 (time 1763345062.11 total 60.06 last 49.08)
 - open/close 3579 (time 1763345072.12 total 70.07 last 49.16)
 - open/close 4075 (time 1763345082.13 total 80.07 last 49.55)
 - open/close 4607 (time 1763345092.13 total 90.08 last 53.19)
total: 5000 open/close in 97.43 seconds: 51.32 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1763345102 ; total 0 ; last 0)
total: 5000 unlinks in 67 seconds: 74.626869 unlinks/second
fail_loc=0