linux-kernel - Re: [PATCH 0/7] File abstractions needed by Rust Binder

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Message-ID: <CANiq72kWx5td7SfP3KWcce4ZqvWBg1NPjT=dNeed2eG2rEHWjw@mail.gmail.com>
Date:   Fri, 8 Dec 2023 17:59:51 +0100
From:   Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To:     Kent Overstreet <kent.overstreet@...ux.dev>
Cc:     Christian Brauner <brauner@...nel.org>,
        Alice Ryhl <aliceryhl@...gle.com>,
        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>,
        Peter Zijlstra <peterz@...radead.org>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arve Hjønnevåg <arve@...roid.com>,
        Todd Kjos <tkjos@...roid.com>,
        Martijn Coenen <maco@...roid.com>,
        Joel Fernandes <joel@...lfernandes.org>,
        Carlos Llamas <cmllamas@...gle.com>,
        Suren Baghdasaryan <surenb@...gle.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Kees Cook <keescook@...omium.org>,
        Matthew Wilcox <willy@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Daniel Xu <dxu@...uu.xyz>, linux-kernel@...r.kernel.org,
        rust-for-linux@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH 0/7] File abstractions needed by Rust Binder

On Wed, Dec 6, 2023 at 9:05 PM Kent Overstreet
<kent.overstreet@...ux.dev> wrote:
>
> I spoke to Miguel about this and it was my understanding that everything
> was in place for moving Rust wrappers to the proper directory -
> previously there was build system stuff blocking, but he said that's all
> working now. Perhaps the memo just didn't get passed down?

No, it is being worked on (please see my sibling reply).

> (My vote would actually be for fs/ directly, not fs/rust, and a 1:1
> mapping between .c files and the .rs files that wrap them).

Thanks Kent for voting :)

Though note that an exact 1:1 mapping is going to be hard, e.g.
consider nested Rust submodules which would go in folders or
abstractions that you may arrange differently even if they wrap the
same concepts.

But, yeah, one should try to avoid to diverge without a good reason,
of course, especially in the beginning.

Cheers,
Miguel