== sanity test 60c: unlink file when mds full ============ 18:12:40 (1788559960)
create 5000 files
 - open/close 467 (time 1788559975.11 total 10.05 last 46.47)
 - open/close 811 (time 1788559985.12 total 20.06 last 34.38)
 - open/close 1291 (time 1788559995.13 total 30.06 last 47.96)
 - open/close 1818 (time 1788560005.14 total 40.08 last 52.65)
 - open/close 2226 (time 1788560015.15 total 50.09 last 40.73)
 - open/close 2664 (time 1788560025.16 total 60.10 last 43.79)
 - open/close 3182 (time 1788560035.16 total 70.10 last 51.79)
 - open/close 3599 (time 1788560045.16 total 80.10 last 41.69)
 - open/close 3886 (time 1788560055.17 total 90.10 last 28.69)
 - open/close 4206 (time 1788560065.22 total 100.16 last 31.83)
 - open/close 4574 (time 1788560075.24 total 110.17 last 36.74)
 - open/close 4869 (time 1788560085.28 total 120.22 last 29.36)
total: 5000 open/close in 123.54 seconds: 40.47 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788560094 ; total 0 ; last 0)
total: 5000 unlinks in 76 seconds: 65.789474 unlinks/second
fail_loc=0