== sanity test 60c: unlink file when mds full ============ 16:40:10 (1787863210)
create 5000 files
 - open/close 492 (time 1787863225.16 total 10.01 last 49.17)
 - open/close 982 (time 1787863235.18 total 20.02 last 48.94)
 - open/close 1434 (time 1787863245.18 total 30.02 last 45.20)
 - open/close 1878 (time 1787863255.18 total 40.02 last 44.38)
 - open/close 2334 (time 1787863265.20 total 50.05 last 45.50)
 - open/close 2788 (time 1787863275.21 total 60.06 last 45.34)
 - open/close 3179 (time 1787863285.22 total 70.07 last 39.06)
 - open/close 3718 (time 1787863295.24 total 80.08 last 53.83)
 - open/close 4199 (time 1787863305.24 total 90.08 last 48.09)
 - open/close 4670 (time 1787863315.26 total 100.10 last 47.00)
total: 5000 open/close in 107.61 seconds: 46.46 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787863327 ; total 0 ; last 0)
total: 5000 unlinks in 76 seconds: 65.789474 unlinks/second
fail_loc=0