linux-kernel - Re: [RFC PATCH 00/11] Rust null block driver

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Date:   Fri, 5 May 2023 13:42:42 -0600
From:   Keith Busch <kbusch@...nel.org>
To:     Boqun Feng <boqun.feng@...il.com>
Cc:     Miguel Ojeda <miguel.ojeda.sandonis@...il.com>,
        Jens Axboe <axboe@...nel.dk>,
        Bart Van Assche <bvanassche@....org>,
        Andreas Hindborg <nmi@...aspace.dk>,
        Christoph Hellwig <hch@....de>,
        Damien Le Moal <Damien.LeMoal@....com>,
        Hannes Reinecke <hare@...e.de>,
        lsf-pc@...ts.linux-foundation.org, rust-for-linux@...r.kernel.org,
        linux-block@...r.kernel.org, Matthew Wilcox <willy@...radead.org>,
        Miguel Ojeda <ojeda@...nel.org>,
        Alex Gaynor <alex.gaynor@...il.com>,
        Wedson Almeida Filho <wedsonaf@...il.com>,
        Gary Guo <gary@...yguo.net>,
        Björn Roy Baron <bjorn3_gh@...tonmail.com>,
        Benno Lossin <benno.lossin@...ton.me>,
        open list <linux-kernel@...r.kernel.org>, gost.dev@...sung.com,
        Daniel Vetter <daniel@...ll.ch>
Subject: Re: [RFC PATCH 00/11] Rust null block driver

On Fri, May 05, 2023 at 05:24:56AM -0700, Boqun Feng wrote:
> 
> The Rust bindings are actually the way of communication between
> subsystem mantainers and Rust driver writers, and can help reduce the
> amount of work: You can have the abstraction the way you like.

We don't have stable APIs or structures here, so let's be clear-eyed
about the maintenance burden these bindings create for linux-block
contributors. Not a hard "no" from me, but this isn't something to
handwave over.