Re: [PATCH v2 06/12] docs: path-lookup: Add macro name to symlink limit description

NeilBrown
2021-04-19T01:22:32Z

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On Tue, Mar 16 2021, Fox Chen wrote:

> Add macro name MAXSYMLINKS to the symlink limit description, so
> that it is consistent with path name length description above.
>
> Signed-off-by: Fox Chen <foxhlchen@gmail.com>

Reviewed-by: NeilBrown <neilb@suse.de>

Thanks,
NeilBrown

> ---
> Documentation/filesystems/path-lookup.rst | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/filesystems/path-lookup.rst b/Documentation/filesystems/path-lookup.rst
> index 66697db74955..af5c20fecfef 100644
> --- a/Documentation/filesystems/path-lookup.rst
> +++ b/Documentation/filesystems/path-lookup.rst
> @@ -992,8 +992,8 @@ is 4096. There are a number of reasons for this limit; not letting the
> kernel spend too much time on just one path is one of them. With
> symbolic links you can effectively generate much longer paths so some
> sort of limit is needed for the same reason. Linux imposes a limit of
> -at most 40 symlinks in any one path lookup. It previously imposed a
> -further limit of eight on the maximum depth of recursion, but that was
> +at most 40 (MAXSYMLINKS) symlinks in any one path lookup. It previously imposed
> +a further limit of eight on the maximum depth of recursion, but that was
> raised to 40 when a separate stack was implemented, so there is now
> just the one limit.
>
> --
> 2.30.2

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