Re: [PATCH] block: rnull: use vertical import style

[Link Mauve <linkmauve@linkmauve.fr>]

On Sun, Jul 05, 2026 at 06:36:48PM -0700, Guru Das Srinagesh wrote:
> Convert `use` imports to vertical layout for better readability and
> maintainability.
> 
> Signed-off-by: Guru Das Srinagesh <linux@gurudas.dev>

This one is:
Reviewed-by: Link Mauve <linkmauve@linkmauve.fr>

Thanks!

> ---
> Came across a recent commit bc58905eb07 ("samples: rust_misc_device: use
> vertical import style") and found a few more locations that could
> benefit from this cleanup. No functional changes.
> 
> Separating out patches per-subsystem as per the review feedback in [0].
> 
> Tested via:
> 
> 	$ make LLVM=1 rustfmtcheck || echo "fail"
> 	$
> 
> Initially thought that rust-for-linux/rust-block-next was the right base
> branch to use, which is why I didn't group this with [1] based on
> rust-next that I sent out a short while ago. Using rust-next as base for
> this patch.
> 
> [0]: https://lore.kernel.org/lkml/20260628-b4-rust-vertical-imports-v1-0-98bc71d4810b@gurudas.dev/
> [1]: https://lore.kernel.org/lkml/20260705-rfl-vert-imp-v1-1-2f07946a905f@gurudas.dev/
> ---
>  drivers/block/rnull/configfs.rs | 25 ++++++++++++++++++++-----
>  drivers/block/rnull/rnull.rs    | 13 ++++++++++---
>  2 files changed, 30 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/block/rnull/configfs.rs b/drivers/block/rnull/configfs.rs
> index 7c2eb5c0b722..2149b47db697 100644
> --- a/drivers/block/rnull/configfs.rs
> +++ b/drivers/block/rnull/configfs.rs
> @@ -1,15 +1,30 @@
>  // SPDX-License-Identifier: GPL-2.0
>  
> -use super::{NullBlkDevice, THIS_MODULE};
> +use super::{
> +    NullBlkDevice,
> +    THIS_MODULE, //
> +};
>  use kernel::{
> -    block::mq::gen_disk::{GenDisk, GenDiskBuilder},
> -    configfs::{self, AttributeOperations},
> +    block::mq::gen_disk::{
> +        GenDisk,
> +        GenDiskBuilder, //
> +    },
> +    configfs::{
> +        self,
> +        AttributeOperations, //
> +    },
>      configfs_attrs,
> -    fmt::{self, Write as _},
> +    fmt::{
> +        self,
> +        Write as _, //
> +    },
>      new_mutex,
>      page::PAGE_SIZE,
>      prelude::*,
> -    str::{kstrtobool_bytes, CString},
> +    str::{
> +        kstrtobool_bytes,
> +        CString, //
> +    },
>      sync::Mutex,
>  };
>  
> diff --git a/drivers/block/rnull/rnull.rs b/drivers/block/rnull/rnull.rs
> index 0ca8715febe8..d58d2c4c5f63 100644
> --- a/drivers/block/rnull/rnull.rs
> +++ b/drivers/block/rnull/rnull.rs
> @@ -10,12 +10,19 @@
>          self,
>          mq::{
>              self,
> -            gen_disk::{self, GenDisk},
> -            Operations, TagSet,
> +            gen_disk::{
> +                self,
> +                GenDisk, //
> +            },
> +            Operations,
> +            TagSet, //
>          },
>      },
>      prelude::*,
> -    sync::{aref::ARef, Arc},
> +    sync::{
> +        aref::ARef,
> +        Arc, //
> +    },
>  };
>  
>  module! {
> 
> ---
> base-commit: dc59e4fea9d83f03bad6bddf3fa2e52491777482
> change-id: 20260705-rfl-vert-imp-2-9bba7706d3f0
> 
> Best regards,
> --  
> Guru Das Srinagesh <linux@gurudas.dev>
> 
> 

-- 
Link Mauve