== sanity test 60c: unlink file when mds full ============ 07:28:44 (1790940524)
create 5000 files
 - open/close 534 (time 1790940539.22 total 10.01 last 53.35)
 - open/close 1047 (time 1790940549.24 total 20.02 last 51.22)
 - open/close 1459 (time 1790940559.24 total 30.03 last 41.19)
 - open/close 1954 (time 1790940569.25 total 40.04 last 49.44)
 - open/close 2449 (time 1790940579.25 total 50.04 last 49.48)
 - open/close 2955 (time 1790940589.27 total 60.05 last 50.54)
 - open/close 3490 (time 1790940599.27 total 70.06 last 53.47)
 - open/close 4028 (time 1790940609.29 total 80.07 last 53.71)
 - open/close 4596 (time 1790940619.30 total 90.08 last 56.76)
total: 5000 open/close in 97.90 seconds: 51.07 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1790940630 ; total 0 ; last 0)
total: 5000 unlinks in 64 seconds: 78.125000 unlinks/second
fail_loc=0