== sanity test 60c: unlink file when mds full ============ 05:25:47 (1765103147)
create 5000 files
 - open/close 590 (time 1765103160.90 total 10.01 last 58.95)
 - open/close 1170 (time 1765103170.92 total 20.03 last 57.87)
 - open/close 1799 (time 1765103180.93 total 30.04 last 62.84)
 - open/close 2315 (time 1765103190.95 total 40.06 last 51.50)
 - open/close 2828 (time 1765103200.96 total 50.08 last 51.22)
 - open/close 3392 (time 1765103210.99 total 60.10 last 56.25)
 - open/close 3929 (time 1765103220.99 total 70.10 last 53.70)
 - open/close 4519 (time 1765103231.00 total 80.11 last 58.97)
total: 5000 open/close in 89.01 seconds: 56.17 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1765103242 ; total 0 ; last 0)
total: 5000 unlinks in 64 seconds: 78.125000 unlinks/second
fail_loc=0