== sanity test 60c: unlink file when mds full ============ 15:49:51 (1768250991)
create 5000 files
 - open/close 443 (time 1768251006.08 total 10.01 last 44.27)
 - open/close 951 (time 1768251016.09 total 20.01 last 50.77)
 - open/close 1488 (time 1768251026.14 total 30.06 last 53.44)
 - open/close 2019 (time 1768251036.14 total 40.06 last 53.09)
 - open/close 2558 (time 1768251046.15 total 50.08 last 53.83)
 - open/close 2981 (time 1768251056.17 total 60.09 last 42.25)
 - open/close 3434 (time 1768251066.17 total 70.09 last 45.27)
 - open/close 3864 (time 1768251076.17 total 80.09 last 43.00)
 - open/close 4338 (time 1768251086.18 total 90.10 last 47.38)
 - open/close 4773 (time 1768251096.19 total 100.11 last 43.46)
total: 5000 open/close in 106.00 seconds: 47.17 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1768251107 ; total 0 ; last 0)
total: 5000 unlinks in 74 seconds: 67.567566 unlinks/second
fail_loc=0