Re: [PATCH] man/man2/rename.2: Remove CAP_MKNOD remark about whiteout creation

[Alejandro Colomar <alx@kernel.org>]

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Hi Günther,

> Date: 2026-10-09 16:36:56+0200
> From: Günther Noack <gnoack3000@gmail.com>
>
> Whiteout objects do not count as device files and do not require
> CAP_MKNOD since linux.git a3c751a50fe6 (2020-05-14; "vfs: allow
> unprivileged whiteout creation").

Thanks!  I checked the referenced commit, and it seems correct.

Reviewed-by: Alejandro Colomar <alx@kernel.org>

(I'm not taking the patch yet, in case Miklos wants to comment, but
 I will take it eventually.)

> Signed-off-by: Günther Noack <gnoack3000@gmail.com>

You forgot to CC the list.  :)


Have a lovely night!
Alex


> ---
>  man/man2/rename.2 | 5 -----
>  1 file changed, 5 deletions(-)
> 
> diff --git a/man/man2/rename.2 b/man/man2/rename.2
> index 14be6b20d3c9..7e5c02797230 100644
> --- a/man/man2/rename.2
> +++ b/man/man2/rename.2
> @@ -250,11 +250,6 @@ is ignored by the kernel's whiteout support code,
>  as of Linux 4.19, at least.)
>  .IP
>  .B RENAME_WHITEOUT
> -requires the same privileges as creating a device node (i.e., the
> -.B CAP_MKNOD
> -capability).
> -.IP
> -.B RENAME_WHITEOUT
>  can't be employed together with
>  .BR RENAME_EXCHANGE .
>  .IP
> -- 
> 2.56.0
> 

-- 
<https://www.alejandro-colomar.es>

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