overlay: use nix::mount for OverlayFS to overcome mounting limitations #293
+42
−17
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Merge Checklist
upstream/missing
label (orupstream/not-needed
) has been set on the PR.Summary
In overlay, Replaces mount(8) with nix::mount to address limitations in handling multiple lowerdir entries for OverlayFS, ensuring compatibility with updated mount API behaviors.
Test Methodology