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Eric Biggers
26a583224a
Even though the kernel currently only supports PAGE_SIZE == Merkle tree block size, PAGE_SIZE isn't a good default Merkle tree block size for fsverity-utils, since it means that if someone doesn't explicitly specify the block size, then the results of 'fsverity sign' and 'fsverity enable' will differ between different architectures. So change the default Merkle tree block size to 4096, which is the most common PAGE_SIZE. This will break anyone using the fsverity program without the --block-size option on an architecture with a non-4K page size. But I don't think anyone is actually doing that yet anyway. Acked-by: Luca Boccassi <luca.boccassi@microsoft.com> Link: https://lore.kernel.org/r/20201116205628.262173-2-ebiggers@kernel.org Signed-off-by: Eric Biggers <ebiggers@google.com>