== sanity test 60c: unlink file when mds full ============ 21:16:30 (1787793390)
create 5000 files
 - open/close 472 (time 1787793405.05 total 10.02 last 47.10)
 - open/close 976 (time 1787793415.06 total 20.03 last 50.34)
 - open/close 1473 (time 1787793425.07 total 30.04 last 49.68)
 - open/close 1982 (time 1787793435.08 total 40.05 last 50.83)
 - open/close 2427 (time 1787793445.08 total 50.05 last 44.50)
 - open/close 2897 (time 1787793455.10 total 60.08 last 46.88)
 - open/close 3461 (time 1787793465.11 total 70.08 last 56.40)
 - open/close 3951 (time 1787793475.12 total 80.09 last 48.93)
 - open/close 4443 (time 1787793485.15 total 90.12 last 49.07)
 - open/close 4839 (time 1787793495.16 total 100.13 last 39.56)
total: 5000 open/close in 103.91 seconds: 48.12 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787793504 ; total 0 ; last 0)
total: 5000 unlinks in 68 seconds: 73.529411 unlinks/second
fail_loc=0