linux-kernel - Re: [PATCH v3] rust: clist: Add support to interface with C linked lists

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Message-ID: <87d2c2d5-12d2-4655-b070-872c909f7e0a@nvidia.com>
Date: Mon, 1 Dec 2025 11:35:49 -0800
From: John Hubbard <jhubbard@...dia.com>
To: Daniel Almeida <daniel.almeida@...labora.com>,
 Joel Fernandes <joelagnelf@...dia.com>
Cc: linux-kernel@...r.kernel.org, rust-for-linux@...r.kernel.org,
 dri-devel@...ts.freedesktop.org, nouveau@...ts.freedesktop.org,
 Danilo Krummrich <dakr@...nel.org>, Dave Airlie <airlied@...il.com>,
 Alexandre Courbot <acourbot@...dia.com>, Alistair Popple
 <apopple@...dia.com>, Miguel Ojeda <ojeda@...nel.org>,
 Alex Gaynor <alex.gaynor@...il.com>, Boqun Feng <boqun.feng@...il.com>,
 Gary Guo <gary@...yguo.net>, bjorn3_gh@...tonmail.com,
 Benno Lossin <lossin@...nel.org>, Andreas Hindborg <a.hindborg@...nel.org>,
 Alice Ryhl <aliceryhl@...gle.com>, Trevor Gross <tmgross@...ch.edu>,
 Simona Vetter <simona@...ll.ch>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 Timur Tabi <ttabi@...dia.com>, Joel Fernandes <joel@...lfernandes.org>,
 Lyude Paul <elle@...thered-steel.dev>, Andrea Righi <arighi@...dia.com>,
 Philipp Stanner <phasta@...nel.org>
Subject: Re: [PATCH v3] rust: clist: Add support to interface with C linked
 lists

On 12/1/25 8:51 AM, Daniel Almeida wrote:
>> On 29 Nov 2025, at 18:30, Joel Fernandes <joelagnelf@...dia.com> wrote:
...
>> +#[repr(transparent)]
>> +pub struct ClistHead(Opaque<bindings::list_head>);
> 
> I still think we should call this CList. IMHO, it does not make sense to have a

I am guessing you meant to place this comment after Clist, rather than here
(after ClistHead)? Otherwise I don't know what you are actually suggesting?

> Clist, and a ClistHead (notice the capitalization). CList and CListHead are
> easier to read and reason about.
> 
> Did anyone push back on this?
 
If you are simply recommending renaming:
    Clist     --> CList
    ClistHead --> CListHead

...then I'd say "+1" for that suggestion.

thanks,
-- 
John Hubbard