linux-kernel - [PATCH 0/4] rust: configfs abstractions

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Message-Id: <20250131-configfs-v1-0-87947611401c@kernel.org>
Date: Fri, 31 Jan 2025 14:30:07 +0100
From: Andreas Hindborg <a.hindborg@...nel.org>
To: Danilo Krummrich <dakr@...nel.org>, Miguel Ojeda <ojeda@...nel.org>, 
 Alex Gaynor <alex.gaynor@...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>, Alice Ryhl <aliceryhl@...gle.com>, 
 Trevor Gross <tmgross@...ch.edu>, Joel Becker <jlbec@...lplan.org>, 
 Christoph Hellwig <hch@....de>
Cc: rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Andreas Hindborg <a.hindborg@...nel.org>, 
 Tamir Duberstein <tamird@...il.com>
Subject: [PATCH 0/4] rust: configfs abstractions

This series adds a safe Rust API that allows Rust modules to interface
the `configfs` machinery.

The first patch in the series is a resend of a patch that previously
appeard on list, adapted to apply on top of `rust-6.14`.

The series contains an example for the samples folder to demonstrate
usage of the API. As such, there is no inline example in the
documentation.

The last patch adds a maintainer entry for the Rust configfs
abstractions, to make it absolutely clear that I will commit to maintain
these abstractions, if required. Feel free to drop this patch if this is
not required.

The series is a dependency of `rnull`, the Rust null block driver.
Please see [1] for initial `configfs` support in `rnull`.

[1] https://github.com/metaspace/linux/commit/6a52980852f6a8c234ad06d53e57eeb4c870f472

Signed-off-by: Andreas Hindborg <a.hindborg@...nel.org>
---
Andreas Hindborg (3):
      rust: sync: change `<Arc<T> as ForeignOwnable>::PointedTo` to `T`
      rust: configfs: introduce rust support for configfs
      MAINTAINERS: add entry for configfs Rust abstractions

Tamir Duberstein (1):
      rust: types: add `ForeignOwnable::PointedTo`

 MAINTAINERS                     |   7 +
 init/Kconfig                    |   3 +
 rust/bindings/bindings_helper.h |   1 +
 rust/kernel/alloc/kbox.rs       |  38 +-
 rust/kernel/configfs.rs         | 811 ++++++++++++++++++++++++++++++++++++++++
 rust/kernel/lib.rs              |   3 +
 rust/kernel/miscdevice.rs       |   8 +-
 rust/kernel/sync/arc.rs         |  30 +-
 rust/kernel/types.rs            |  46 ++-
 samples/rust/Kconfig            |  11 +
 samples/rust/Makefile           |   1 +
 samples/rust/rust_configfs.rs   | 192 ++++++++++
 12 files changed, 1106 insertions(+), 45 deletions(-)
---
base-commit: ceff0757f5dafb5be5205988171809c877b1d3e3
change-id: 20250131-configfs-b888cd82d84a

Best regards,
-- 
Andreas Hindborg <a.hindborg@...nel.org>