== sanity test 60c: unlink file when mds full ============ 22:54:35 (1773197675)
create 5000 files
 - open/close 553 (time 1773197689.30 total 10.01 last 55.27)
 - open/close 1151 (time 1773197699.31 total 20.01 last 59.75)
 - open/close 1762 (time 1773197709.32 total 30.02 last 61.04)
 - open/close 2393 (time 1773197719.33 total 40.03 last 63.04)
 - open/close 2993 (time 1773197729.34 total 50.04 last 59.93)
 - open/close 3594 (time 1773197739.35 total 60.06 last 60.03)
 - open/close 4188 (time 1773197749.36 total 70.07 last 59.31)
 - open/close 4625 (time 1773197759.38 total 80.09 last 43.62)
total: 5000 open/close in 87.81 seconds: 56.94 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1773197770 ; total 0 ; last 0)
total: 5000 unlinks in 65 seconds: 76.923080 unlinks/second
fail_loc=0