linux-kernel - [PATCH 0/9] rnull: add configfs, remote completion to rnull

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Message-Id: <20250616-rnull-up-v6-16-v1-0-a4168b8e76b2@kernel.org>
Date: Mon, 16 Jun 2025 15:23:50 +0200
From: Andreas Hindborg <a.hindborg@...nel.org>
To: Boqun Feng <boqun.feng@...il.com>, Miguel Ojeda <ojeda@...nel.org>, 
 Alex Gaynor <alex.gaynor@...il.com>, Gary Guo <gary@...yguo.net>, 
 Björn Roy Baron <bjorn3_gh@...tonmail.com>, 
 Benno Lossin <lossin@...nel.org>, Alice Ryhl <aliceryhl@...gle.com>, 
 Trevor Gross <tmgross@...ch.edu>, Danilo Krummrich <dakr@...nel.org>, 
 Jens Axboe <axboe@...nel.dk>
Cc: linux-block@...r.kernel.org, rust-for-linux@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Andreas Hindborg <a.hindborg@...nel.org>
Subject: [PATCH 0/9] rnull: add configfs, remote completion to rnull

This series adds configuration via configfs and remote completion to
the rnull driver. The series also includes a set of changes to the
rust block device driver API: a few cleanup patches, and a few features
supporting the rnull changes.

This series is a smaller subset of the patches available in the
downstream rnull tree. I hope to minimize the delta between upstream
and downstream over the next few kernel releases.

Signed-off-by: Andreas Hindborg <a.hindborg@...nel.org>
---
Andreas Hindborg (9):
      rust: block: remove trait bound from `mq::Request` definition
      rust: block: add block related constants
      rust: block,core: rename `RawWriter` to `BufferWriter`
      rnull: move driver to separate directory
      rnull: enable configuration via `configfs`
      rust: block: add `GenDisk` private data support
      rust: block: mq: fix spelling in a safety comment
      rust: block: add remote completion to `Request`
      rnull: add soft-irq completion support

 MAINTAINERS                                        |   2 +-
 drivers/block/Kconfig                              |  10 +-
 drivers/block/Makefile                             |   4 +-
 drivers/block/rnull.rs                             |  80 ------
 drivers/block/rnull/Kconfig                        |  13 +
 drivers/block/rnull/Makefile                       |   3 +
 drivers/block/rnull/configfs.rs                    | 277 +++++++++++++++++++++
 drivers/block/rnull/rnull.rs                       | 105 ++++++++
 rust/kernel/block.rs                               |  12 +
 rust/kernel/block/mq.rs                            |  14 +-
 rust/kernel/block/mq/gen_disk.rs                   |  53 +++-
 rust/kernel/block/mq/operations.rs                 |  65 ++++-
 rust/kernel/block/mq/request.rs                    |  21 +-
 rust/kernel/str.rs                                 |   3 +
 .../mq/raw_writer.rs => str/buffer_writer.rs}      |  17 +-
 15 files changed, 550 insertions(+), 129 deletions(-)
---
base-commit: e04c78d86a9699d136910cfc0bdcf01087e3267e
change-id: 20250616-rnull-up-v6-16-b4571e28feee

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