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Improving ext4: bigalloc, inline data, and metadata checksumsImproving ext4: bigalloc, inline data, and metadata checksumsPosted Dec 4, 2011 1:12 UTC (Sun) by nix (subscriber, #2304)In reply to: Improving ext4: bigalloc, inline data, and metadata checksums by dlang Parent article: Improving ext4: bigalloc, inline data, and metadata checksums
ext4 is in large part a new filesystem who's name just happens to be similar to what people are runningext4 is ext3 with a bunch of new extensions (some incompatible): indeed, initially the ext4 work was going to be done to ext3, until Linus asked for it to be done in a newly-named clone of the code instead. It says a lot for the ext2 code and disk formats that they've been evolvable to this degree.
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