== sanity test 60c: unlink file when mds full ============ 23:22:17 (1762489337)
create 5000 files
 - open/close 582 (time 1762489350.78 total 10.00 last 58.18)
 - open/close 1142 (time 1762489360.78 total 20.00 last 55.99)
 - open/close 1690 (time 1762489370.78 total 30.01 last 54.79)
 - open/close 2206 (time 1762489380.79 total 40.01 last 51.57)
 - open/close 2732 (time 1762489390.82 total 50.04 last 52.45)
 - open/close 3249 (time 1762489400.83 total 60.06 last 51.62)
 - open/close 3749 (time 1762489410.84 total 70.06 last 49.97)
 - open/close 4263 (time 1762489420.87 total 80.09 last 51.27)
 - open/close 4790 (time 1762489430.88 total 90.10 last 52.63)
total: 5000 open/close in 94.11 seconds: 53.13 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1762489438 ; total 0 ; last 0)
total: 5000 unlinks in 65 seconds: 76.923080 unlinks/second
fail_loc=0