== sanity test 60c: unlink file when mds full ============ 01:35:26 (1788845726)
create 5000 files
 - open/close 399 (time 1788845742.63 total 10.01 last 39.86)
 - open/close 808 (time 1788845752.63 total 20.01 last 40.90)
 - open/close 1261 (time 1788845762.64 total 30.02 last 45.28)
 - open/close 1673 (time 1788845772.66 total 40.04 last 41.10)
 - open/close 2138 (time 1788845782.69 total 50.06 last 46.39)
 - open/close 2652 (time 1788845792.69 total 60.07 last 51.37)
 - open/close 3144 (time 1788845802.70 total 70.08 last 49.16)
 - open/close 3588 (time 1788845812.71 total 80.09 last 44.37)
 - open/close 4005 (time 1788845822.74 total 90.11 last 41.59)
 - open/close 4441 (time 1788845832.74 total 100.12 last 43.59)
 - open/close 4876 (time 1788845842.76 total 110.14 last 43.40)
total: 5000 open/close in 112.76 seconds: 44.34 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788845850 ; total 0 ; last 0)
total: 5000 unlinks in 74 seconds: 67.567566 unlinks/second
fail_loc=0