== sanity test 60c: unlink file when mds full ============ 09:23:56 (1766413436)
create 5000 files
 - open/close 510 (time 1766413450.51 total 10.04 last 50.79)
 - open/close 1030 (time 1766413460.53 total 20.07 last 51.86)
 - open/close 1535 (time 1766413470.55 total 30.08 last 50.42)
 - open/close 2056 (time 1766413480.55 total 40.09 last 52.09)
 - open/close 2579 (time 1766413490.57 total 50.11 last 52.19)
 - open/close 3081 (time 1766413500.60 total 60.13 last 50.10)
 - open/close 3562 (time 1766413510.62 total 70.15 last 48.00)
 - open/close 4035 (time 1766413520.65 total 80.19 last 47.13)
 - open/close 4484 (time 1766413530.65 total 90.19 last 44.90)
 - open/close 4952 (time 1766413540.66 total 100.20 last 46.74)
total: 5000 open/close in 101.10 seconds: 49.46 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1766413545 ; total 0 ; last 0)
total: 5000 unlinks in 72 seconds: 69.444443 unlinks/second
fail_loc=0