== sanity test 60c: unlink file when mds full ============ 17:44:50 (1786830290)
create 5000 files
 - open/close 443 (time 1786830305.84 total 10.02 last 44.20)
 - open/close 1011 (time 1786830315.85 total 20.03 last 56.75)
 - open/close 1489 (time 1786830325.85 total 30.03 last 47.78)
 - open/close 1977 (time 1786830335.86 total 40.04 last 48.79)
 - open/close 2515 (time 1786830345.86 total 50.04 last 53.76)
 - open/close 3065 (time 1786830355.87 total 60.05 last 54.95)
 - open/close 3577 (time 1786830365.89 total 70.07 last 51.13)
 - open/close 4096 (time 1786830375.91 total 80.09 last 51.76)
 - open/close 4578 (time 1786830385.92 total 90.11 last 48.14)
 - open/close 4996 (time 1786830395.94 total 100.12 last 41.75)
total: 5000 open/close in 100.16 seconds: 49.92 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786830401 ; total 0 ; last 0)
total: 5000 unlinks in 70 seconds: 71.428574 unlinks/second
fail_loc=0