== sanity test 60c: unlink file when mds full ============ 10:25:29 (1729088729)
create 5000 files
 - open/close 1786 (time 1729088741.20 total 10.00 last 178.56)
 - open/close 3553 (time 1729088751.21 total 20.01 last 176.64)
total: 5000 open/close in 28.57 seconds: 174.98 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1729088760 ; total 0 ; last 0)
total: 5000 unlinks in 20 seconds: 250.000000 unlinks/second
fail_loc=0