== sanity test 60c: unlink file when mds full ============ 06:37:13 (1756809433)
create 5000 files
 - open/close 576 (time 1756809446.38 total 10.00 last 57.58)
 - open/close 1244 (time 1756809456.39 total 20.01 last 66.76)
 - open/close 1823 (time 1756809466.39 total 30.02 last 57.86)
 - open/close 2342 (time 1756809476.40 total 40.02 last 51.86)
 - open/close 2859 (time 1756809486.41 total 50.04 last 51.62)
 - open/close 3368 (time 1756809496.44 total 60.06 last 50.77)
 - open/close 3884 (time 1756809506.45 total 70.08 last 51.54)
 - open/close 4448 (time 1756809516.45 total 80.08 last 56.40)
 - open/close 4987 (time 1756809526.46 total 90.08 last 53.88)
total: 5000 open/close in 90.31 seconds: 55.36 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1756809529 ; total 0 ; last 0)
total: 5000 unlinks in 44 seconds: 113.636360 unlinks/second
fail_loc=0