== sanity test 60c: unlink file when mds full ============ 19:06:47 (1788390407)
create 5000 files
 - open/close 829 (time 1788390419.95 total 10.00 last 82.88)
 - open/close 1585 (time 1788390429.96 total 20.02 last 75.49)
 - open/close 2452 (time 1788390439.97 total 30.02 last 86.65)
 - open/close 3234 (time 1788390449.97 total 40.03 last 78.17)
 - open/close 4068 (time 1788390459.98 total 50.03 last 83.36)
 - open/close 4801 (time 1788390469.98 total 60.03 last 73.29)
total: 5000 open/close in 62.86 seconds: 79.54 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788390475 ; total 0 ; last 0)
total: 5000 unlinks in 47 seconds: 106.382980 unlinks/second
fail_loc=0