== sanity test 60c: unlink file when mds full ============ 09:06:53 (1790946413)
create 5000 files
 - open/close 668 (time 1790946427.31 total 10.00 last 66.78)
 - open/close 1323 (time 1790946437.32 total 20.02 last 65.40)
 - open/close 1991 (time 1790946447.33 total 30.03 last 66.75)
 - open/close 2562 (time 1790946457.34 total 40.04 last 57.02)
 - open/close 3087 (time 1790946467.36 total 50.06 last 52.40)
 - open/close 3574 (time 1790946477.38 total 60.07 last 48.63)
 - open/close 4145 (time 1790946487.38 total 70.08 last 57.07)
 - open/close 4702 (time 1790946497.38 total 80.08 last 55.69)
total: 5000 open/close in 84.94 seconds: 58.87 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1790946506 ; total 0 ; last 0)
total: 5000 unlinks in 60 seconds: 83.333336 unlinks/second
fail_loc=0