Re: [PATCH v21 2/9] rust: types: Add Ownable/Owned types

[sashiko-bot@kernel.org]

> From: Asahi Lina <lina+kernel@asahilina.net>
> 
> By analogy to `AlwaysRefCounted` and `ARef`, an `Ownable` type is a
> (typically C FFI) type that *may* be owned by Rust, but need not be. Unlike
> `AlwaysRefCounted`, this mechanism expects the reference to be unique
> within Rust, and does not allow cloning.
> 
> Conceptually, this is similar to a `KBox<T>`, except that it delegates
> resource management to the `T` instead of using a generic allocator.
> 
> [ om:
>   - Split code into separate file and `pub use` it from types.rs.
>   - Make from_raw() and into_raw() public.
>   - Remove OwnableMut, and make DerefMut dependent on Unpin instead.
>   - Usage example/doctest for Ownable/Owned.
> [ ... ]
> [ Andreas: Updated documentation, examples, and formatting. Change safety
>   requirements, safety comments. ]
> Assisted-by: LLM
> Co-developed-by: Andreas Hindborg <a.hindborg@kernel.org>
> Signed-off-by: Andreas Hindborg <a.hindborg@kernel.org>

Sashiko has reviewed this patch and found no issues. It looks great!

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Sashiko AI review · https://sashiko.dev/#/patchset/20260910-unique-ref-v21-0-e83257373062@kernel.org?part=2