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List:       linux-man
Subject:    Re: [PATCH] pivot_root.2: Document EINVAL if root is rootfs
From:       "Michael Kerrisk (man-pages)" <mtk.manpages () gmail ! com>
Date:       2018-08-26 13:48:01
Message-ID: 502fc144-dd97-6662-eafd-146d823d3b5d () gmail ! com
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On 08/09/2018 06:23 AM, Joseph Sible wrote:
> Per the comment on the pivot_root syscall in fs/namespace.c

Thanks for the additional details in your follow up mail, Joseph.
Patch applied.

Cheers,



> 
> Signed-off-by: Joseph C. Sible <josephcsible@gmail.com>
> ---
>  man2/pivot_root.2 | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/man2/pivot_root.2 b/man2/pivot_root.2
> index f744d29..2f8f5f4 100644
> --- a/man2/pivot_root.2
> +++ b/man2/pivot_root.2
> @@ -112,6 +112,9 @@ or a filesystem is already mounted on \fIput_old\fP.
>  .B EINVAL
>  \fIput_old\fP is not underneath \fInew_root\fP.
>  .TP
> +.B EINVAL
> +The current root is on the rootfs (initial ramfs) filesystem.
> +.TP
>  .B ENOTDIR
>  \fInew_root\fP or \fIput_old\fP is not a directory.
>  .TP
> --
> 2.7.4
> .
> 


-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/
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