== sanity test 60c: unlink file when mds full ============ 04:49:04 (1788511744)
create 5000 files
 - open/close 468 (time 1788511760.36 total 10.01 last 46.73)
 - open/close 1121 (time 1788511770.37 total 20.03 last 65.23)
 - open/close 1803 (time 1788511780.38 total 30.03 last 68.16)
 - open/close 2460 (time 1788511790.39 total 40.04 last 65.65)
 - open/close 3097 (time 1788511800.40 total 50.06 last 63.59)
 - open/close 3699 (time 1788511810.41 total 60.06 last 60.19)
 - open/close 4328 (time 1788511820.41 total 70.06 last 62.87)
 - open/close 4892 (time 1788511830.41 total 80.07 last 56.38)
total: 5000 open/close in 81.93 seconds: 61.03 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788511836 ; total 0 ; last 0)
total: 5000 unlinks in 58 seconds: 86.206894 unlinks/second
fail_loc=0