== sanity test 60c: unlink file when mds full ============ 15:55:43 (1790970943)
create 5000 files
 - open/close 565 (time 1790970958.14 total 10.01 last 56.47)
 - open/close 1101 (time 1790970968.14 total 20.01 last 53.57)
 - open/close 1641 (time 1790970978.15 total 30.02 last 53.93)
 - open/close 2217 (time 1790970988.16 total 40.03 last 57.57)
 - open/close 2808 (time 1790970998.17 total 50.04 last 59.02)
 - open/close 3338 (time 1790971008.19 total 60.06 last 52.91)
 - open/close 3892 (time 1790971018.21 total 70.08 last 55.29)
 - open/close 4439 (time 1790971028.25 total 80.12 last 54.45)
 - open/close 4975 (time 1790971038.27 total 90.14 last 53.53)
total: 5000 open/close in 90.58 seconds: 55.20 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1790971042 ; total 0 ; last 0)
total: 5000 unlinks in 68 seconds: 73.529411 unlinks/second
fail_loc=0