linux-kernel - Re: [PATCH] rust: add `ARef::into

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Message-ID: <69dbff07-f774-47ef-b5d9-5b534f0cde59@kernel.org>
Date: Thu, 1 Aug 2024 17:06:20 +0200
From: Danilo Krummrich <dakr@...nel.org>
To: Alice Ryhl <aliceryhl@...gle.com>
Cc: Miguel Ojeda <ojeda@...nel.org>, Alex Gaynor <alex.gaynor@...il.com>,
 Wedson Almeida Filho <wedsonaf@...il.com>, Boqun Feng
 <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
 Björn Roy Baron <bjorn3_gh@...tonmail.com>,
 Benno Lossin <benno.lossin@...ton.me>,
 Andreas Hindborg <a.hindborg@...sung.com>, rust-for-linux@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH] rust: add `ARef::into_raw`

On 8/1/24 4:16 PM, Alice Ryhl wrote:
> Add a method for `ARef` that is analogous to `Arc::into_raw`. It is the
> inverse operation of `ARef::from_raw`, and allows you to convert the
> `ARef` back into a raw pointer while retaining ownership of the
> refcount.
> 
> This new function will be used by [1] for converting the type in an
> `ARef` using `ARef::from_raw(ARef::into_raw(me).cast())`. The author has
> also needed the same function for other use-cases in the past, but [1]
> is the first to go upstream.
> 
> Link: https://lore.kernel.org/r/20240801-vma-v3-1-db6c1c0afda9@google.com [1]
> Signed-off-by: Alice Ryhl <aliceryhl@...gle.com>

Reviewed-by: Danilo Krummrich <dakr@...nel.org>