linux-kernel - Re: [RFC PATCH 1/8] rust: kernel: add basic abstractions for device-mapper

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Date:   Sun, 25 Jun 2023 14:25:38 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Qingsong Chen <changxian.cqs@...group.com>
Cc:     linux-kernel@...r.kernel.org,
        田洪亮 <tate.thl@...group.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>,
        Martin Rodriguez Reboredo <yakoyoku@...il.com>,
        Alice Ryhl <aliceryhl@...gle.com>,
        Vincenzo Palazzo <vincenzopalazzodev@...il.com>,
        Asahi Lina <lina@...hilina.net>, rust-for-linux@...r.kernel.org
Subject: Re: [RFC PATCH 1/8] rust: kernel: add basic abstractions for
 device-mapper

On Sun, Jun 25, 2023 at 08:16:50PM +0800, Qingsong Chen wrote:
> - Declare `vtable` for basic target operations.
> - Wrap `target_type` to register/unregister target.
> - Wrap `dm_target`/`dm_dev` to handle io request.
> - Add a dummy `bio` wrapper.

Shouldn't this be all different commits, and different files?  A bio
shouldn't be defined in the device_mapper.rs file, as that would prevent
anyone else from accessing it.

thanks,

greg k-h