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[–] 2 points 6 months ago*

FYI digging through documentation reminded me of squashfs. It does what it sounds like. But it's read only, so you would have to use an overlay FS to cache changes and then overwrite the whole squashfs volume at once to sync changes.

https://medium.com/@akashsainisaini37/how-overlayfs-and-squashfs-power-embedded-linux-storage-75273028ef20

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