== sanity test 60c: unlink file when mds full ============ 14:38:34 (1789497514)
create 5000 files
 - open/close 457 (time 1789497528.22 total 10.01 last 45.65)
 - open/close 852 (time 1789497538.23 total 20.02 last 39.45)
 - open/close 1267 (time 1789497548.26 total 30.05 last 41.38)
 - open/close 1686 (time 1789497558.26 total 40.06 last 41.88)
 - open/close 2101 (time 1789497568.28 total 50.08 last 41.42)
 - open/close 2475 (time 1789497578.30 total 60.09 last 37.34)
 - open/close 2894 (time 1789497588.31 total 70.11 last 41.83)
 - open/close 3306 (time 1789497598.36 total 80.15 last 41.01)
 - open/close 3749 (time 1789497608.38 total 90.17 last 44.21)
 - open/close 4157 (time 1789497618.41 total 100.20 last 40.69)
 - open/close 4561 (time 1789497628.42 total 110.21 last 40.35)
 - open/close 4968 (time 1789497638.46 total 120.26 last 40.53)
total: 5000 open/close in 120.99 seconds: 41.33 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789497643 ; total 0 ; last 0)
total: 5000 unlinks in 93 seconds: 53.763439 unlinks/second
fail_loc=0