linux-kernel - Re: [PATCH v3 07/10] rust: debugfs: support blobs from smart pointers

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Message-ID: <aPnmRmTHLQn8FVyy@google.com>
Date: Thu, 23 Oct 2025 08:24:38 +0000
From: Alice Ryhl <aliceryhl@...gle.com>
To: Danilo Krummrich <dakr@...nel.org>
Cc: gregkh@...uxfoundation.org, rafael@...nel.org, ojeda@...nel.org, 
	alex.gaynor@...il.com, boqun.feng@...il.com, gary@...yguo.net, 
	bjorn3_gh@...tonmail.com, lossin@...nel.org, a.hindborg@...nel.org, 
	tmgross@...ch.edu, mmaurer@...gle.com, rust-for-linux@...r.kernel.org, 
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 07/10] rust: debugfs: support blobs from smart pointers

On Wed, Oct 22, 2025 at 04:30:41PM +0200, Danilo Krummrich wrote:
> Extend Rust debugfs binary support to allow exposing data stored in
> common smart pointers and heap-allocated collections.
> 
> - Implement BinaryWriter for Box<T>, Pin<Box<T>>, Arc<T>, and Vec<T>.
> - Introduce BinaryReaderMut for mutable binary access with outer locks.
> - Implement BinaryReaderMut for Box<T>, Vec<T>, and base types.
> - Update BinaryReader to delegate to BinaryReaderMut for Mutex<T>,
>   Box<T>, Pin<Box<T>> and Arc<T>.
> 
> This enables debugfs files to directly expose or update data stored
> inside heap-allocated, reference-counted, or lock-protected containers
> without manual dereferencing or locking.
> 
> Reviewed-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Reviewed-by: Matthew Maurer <mmaurer@...gle.com>
> Signed-off-by: Danilo Krummrich <dakr@...nel.org>

Reviewed-by: Alice Ryhl <aliceryhl@...gle.com>