== sanity test 60c: unlink file when mds full ============ 22:58:51 (1790391531)
create 5000 files
 - open/close 608 (time 1790391544.11 total 10.01 last 60.73)
 - open/close 1190 (time 1790391554.12 total 20.03 last 58.11)
 - open/close 1799 (time 1790391564.13 total 30.04 last 60.83)
 - open/close 2372 (time 1790391574.14 total 40.05 last 57.26)
 - open/close 2944 (time 1790391584.15 total 50.05 last 57.17)
 - open/close 3500 (time 1790391594.16 total 60.06 last 55.56)
 - open/close 4062 (time 1790391604.16 total 70.07 last 56.17)
 - open/close 4619 (time 1790391614.17 total 80.07 last 55.68)
total: 5000 open/close in 88.99 seconds: 56.19 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1790391628 ; total 0 ; last 0)
total: 5000 unlinks in 64 seconds: 78.125000 unlinks/second
fail_loc=0