== sanity test 60c: unlink file when mds full ============ 07:54:09 (1787572449)
create 5000 files
 - open/close 439 (time 1787572463.66 total 10.01 last 43.84)
 - open/close 926 (time 1787572473.66 total 20.02 last 48.69)
 - open/close 1394 (time 1787572483.67 total 30.03 last 46.76)
 - open/close 1832 (time 1787572493.70 total 40.05 last 43.68)
 - open/close 2367 (time 1787572503.70 total 50.05 last 53.50)
 - open/close 2860 (time 1787572513.70 total 60.06 last 49.30)
 - open/close 3322 (time 1787572523.70 total 70.06 last 46.20)
 - open/close 3796 (time 1787572533.71 total 80.07 last 47.35)
 - open/close 4232 (time 1787572543.72 total 90.08 last 43.56)
 - open/close 4730 (time 1787572553.73 total 100.09 last 49.76)
total: 5000 open/close in 106.16 seconds: 47.10 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787572563 ; total 0 ; last 0)
total: 5000 unlinks in 76 seconds: 65.789474 unlinks/second
fail_loc=0