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docs(rio): record the checksum hasher verdict and pin shared vectors (#6706)

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Zhengchao An
2026-08-27 10:08:09 +08:00
committed by GitHub
parent 6ab14981ba
commit 52703e0da6
2 changed files with 47 additions and 11 deletions
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crates/checksums/src/lib.rs
+8 -4
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@@ -49,10 +49,14 @@ pub const MD5_NAME: &str = "md5";
/// (crates/s3-client/src/checksum.rs) delegates all per-algorithm dispatch
/// here through its `algorithm()` bridge. The on-disk xl.meta bitset remains
/// deliberately separate in `rustfs_rio::ChecksumType`
/// (crates/rio/src/checksum.rs, varint bits are append-only). When adding an
/// algorithm: add the variant here (the exhaustive matches force every
/// metadata decision), bridge it in the client, and allocate an xl.meta bit
/// in rio (or record why not).
/// (crates/rio/src/checksum.rs, varint bits are append-only), and rio also
/// keeps its own hot-path hasher shells — equivalence with this crate's
/// hashers is enforced by both test suites pinning the same official
/// known-answer vectors (backlog#1844 PR3 verdict, recorded on
/// `rustfs_rio::ChecksumType`). When adding an algorithm: add the variant
/// here (the exhaustive matches force every metadata decision), bridge it in
/// the client, and allocate an xl.meta bit + hasher + shared vector in rio
/// (or record why not).
#[derive(Debug, Clone, Copy, PartialEq, Eq, Default)]
#[non_exhaustive]
pub enum ChecksumAlgorithm {