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Date: Fri, 5 May 2023 05:04:28 +0100
From: Matthew Wilcox <willy@...radead.org>
To: Andreas Hindborg <nmi@...aspace.dk>
Cc: Jens Axboe <axboe@...nel.dk>, Christoph Hellwig <hch@....de>,
Keith Busch <kbusch@...nel.org>,
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,
Andreas Hindborg <a.hindborg@...sung.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>,
open list <linux-kernel@...r.kernel.org>, gost.dev@...sung.com
Subject: Re: [RFC PATCH 01/11] rust: add radix tree abstraction
On Wed, May 03, 2023 at 11:06:58AM +0200, Andreas Hindborg wrote:
> From: Andreas Hindborg <a.hindborg@...sung.com>
>
> Add abstractions for the C radix_tree. This abstraction allows Rust code to use
> the radix_tree as a map from `u64` keys to `ForeignOwnable` values.
Please, no. The XArray interface is the preferred one; the radix tree
is legacy. Don't make Rust code use the radix tree. It has the GFP
arguments in the wrong place, for one thing.
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