== sanity test 60c: unlink file when mds full ============ 08:11:40 (1788869500)
create 5000 files
 - open/close 447 (time 1788869517.12 total 10.01 last 44.67)
 - open/close 922 (time 1788869527.15 total 20.04 last 47.36)
 - open/close 1345 (time 1788869537.16 total 30.05 last 42.26)
 - open/close 1762 (time 1788869547.16 total 40.05 last 41.70)
 - open/close 2103 (time 1788869557.17 total 50.06 last 34.05)
 - open/close 2499 (time 1788869567.19 total 60.08 last 39.53)
 - open/close 3000 (time 1788869577.20 total 70.08 last 50.07)
 - open/close 3502 (time 1788869587.22 total 80.11 last 50.08)
 - open/close 3925 (time 1788869597.23 total 90.12 last 42.24)
 - open/close 4385 (time 1788869607.26 total 100.15 last 45.88)
 - open/close 4754 (time 1788869617.28 total 110.17 last 36.83)
total: 5000 open/close in 115.68 seconds: 43.22 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788869628 ; total 0 ; last 0)
total: 5000 unlinks in 80 seconds: 62.500000 unlinks/second
fail_loc=0