Subject: Re: linux-next: build failure after merge of the block tree

From: Jens Axboe <[email-masked]>
Date: Mon, 19 Jan 2026 11:05:17 -0700

On 1/19/26 11:02 AM, Mark Brown wrote:
> Hi all,
> 
> After merging the block tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
> 
> error: unused import: `c_str`
>  --> /tmp/next/build/drivers/block/rnull/configfs.rs:6:5
>   |
> 6 |     c_str,
>   |     ^^^^^
>   |
>   = note: `-D unused-imports` implied by `-D warnings`
>   = help: to override `-D warnings` add `#[allow(unused_imports)]`
> 
> error: aborting due to 1 previous error
> 
> Caused by commit
> 
>   4cef2fcda3ada (rnull: replace `kernel::c_str!` with C-Strings)
> 
> I have used the version from 20260116 instead.

Adding Andreas too. This is a bit annoying as other stuff in the
block/io_uring tree would be nice to get exposed...

-- 
Jens Axboe