refactor(rootfs): replace btrfs with erofs #43
Merged
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In our scenario, the rootfs is read-only, and write operations are provided based on overlayfs. Therefore, we do not need to use the btrfs format. As a result, the size of the rootfs has been compressed to around 100M from the previous 1.6G.
https://oomol.atlassian.net/browse/OOM-962