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ext4 dedup write fail
99degree edited this page May 8, 2024
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From topjohnwu
https://twitter.com/topjohnwu/status/1170443615077666816
I found out that Android 10's system images are formatted with EXT4_FEATURE_RO_COMPAT_SHARED_BLOCKS. It will deduplicate blocks in the filesystem to
reduce the image size. On my Pixel XL, the partition is physically not large enough to successfully run 'e2fsck -E unshare_blocks'.