Re: [PATCH] ioctl_ficlonerange.2: mention a subtlety with length == 0

["Michael Kerrisk (man-pages)" <mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

On 07/14/2016 08:11 PM, Darrick J. Wong wrote:
> I forgot to document that passing length == 0 to clonerange actually
> makes it clone all the way to EOF, so do that now.

Thanks, Darrick. Applied.

Cheers,

Michael

> Signed-off-by: Darrick J. Wong <darrick.wong-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
> ---
>  man2/ioctl_ficlonerange.2 |    3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/man2/ioctl_ficlonerange.2 b/man2/ioctl_ficlonerange.2
> index d1da3e6..c4715d0 100644
> --- a/man2/ioctl_ficlonerange.2
> +++ b/man2/ioctl_ficlonerange.2
> @@ -59,6 +59,9 @@ into the file
>  at offset
>  .IR dest_offset ",
>  provided that both are files.
> +If
> +.IR src_length
> +is zero, the ioctl reflinks to the end of the source file.
>  This information is conveyed in a structure of
>  the following form:
>  .in +4n
>


-- 
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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