== sanity test 60c: unlink file when mds full ============ 09:03:07 (1783947787)
create 5000 files
 - open/close 457 (time 1783947801.79 total 10.01 last 45.66)
 - open/close 888 (time 1783947811.81 total 20.04 last 42.99)
 - open/close 1329 (time 1783947821.82 total 30.05 last 44.06)
 - open/close 1781 (time 1783947831.82 total 40.05 last 45.19)
 - open/close 2226 (time 1783947841.84 total 50.06 last 44.44)
 - open/close 2657 (time 1783947851.85 total 60.07 last 43.06)
 - open/close 3073 (time 1783947861.86 total 70.09 last 41.53)
 - open/close 3503 (time 1783947871.87 total 80.10 last 42.96)
 - open/close 3911 (time 1783947881.87 total 90.10 last 40.80)
 - open/close 4327 (time 1783947891.89 total 100.11 last 41.54)
 - open/close 4741 (time 1783947901.90 total 110.12 last 41.37)
total: 5000 open/close in 116.53 seconds: 42.91 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1783947912 ; total 0 ; last 0)
total: 5000 unlinks in 90 seconds: 55.555557 unlinks/second
fail_loc=0