linux-kernel - Re: [PATCH net-next 2/3] net: dns_resolver: Move dns

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Message-ID: <20250923101456.GI836419@horms.kernel.org>
Date: Tue, 23 Sep 2025 11:14:56 +0100
From: Simon Horman <horms@...nel.org>
To: Bagas Sanjaya <bagasdotme@...il.com>
Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux Documentation <linux-doc@...r.kernel.org>,
	Linux Networking <netdev@...r.kernel.org>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Jonathan Corbet <corbet@....net>,
	Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
	Kees Cook <kees@...nel.org>
Subject: Re: [PATCH net-next 2/3] net: dns_resolver: Move dns_query()
 explanation out of code block

On Mon, Sep 22, 2025 at 04:56:47PM +0700, Bagas Sanjaya wrote:
> Documentation for dns_query() is placed in the function's literal code
> block snippet instead. Move it out of there.
> 
> Fixes: 9dfe1361261b ("docs: networking: convert dns_resolver.txt to ReST")
> Signed-off-by: Bagas Sanjaya <bagasdotme@...il.com>

Thanks, this renders much better. In a browser at least.

I've added a few comments below.

> ---
>  Documentation/networking/dns_resolver.rst | 45 +++++++++++------------
>  1 file changed, 22 insertions(+), 23 deletions(-)
> 
> diff --git a/Documentation/networking/dns_resolver.rst b/Documentation/networking/dns_resolver.rst
> index 5cec37bedf9950..329fb21d005ccd 100644
> --- a/Documentation/networking/dns_resolver.rst
> +++ b/Documentation/networking/dns_resolver.rst
> @@ -64,44 +64,43 @@ before the more general line given above as the first match is the one taken::
>  Usage
>  =====
>  
> -To make use of this facility, one of the following functions that are
> -implemented in the module can be called after doing::
> +To make use of this facility, the appropriate header must be included first::

Maybe: ..., first linux/dns_resolver.h must be included.

>  
>  	#include <linux/dns_resolver.h>
>  
> -     ::
> +Then you can make queries by calling::

Please use imperative mood:

Then queries may be made by calling::

>  
>  	int dns_query(const char *type, const char *name, size_t namelen,
>  		     const char *options, char **_result, time_t *_expiry);
>  
> -     This is the basic access function.  It looks for a cached DNS query and if
> -     it doesn't find it, it upcalls to userspace to make a new DNS query, which
> -     may then be cached.  The key description is constructed as a string of the
> -     form::
> +This is the basic access function.  It looks for a cached DNS query and if
> +it doesn't find it, it upcalls to userspace to make a new DNS query, which
> +may then be cached.  The key description is constructed as a string of the
> +form::
>  
>  		[<type>:]<name>
>  
> -     where <type> optionally specifies the particular upcall program to invoke,
> -     and thus the type of query to do, and <name> specifies the string to be
> -     looked up.  The default query type is a straight hostname to IP address
> -     set lookup.
> +where <type> optionally specifies the particular upcall program to invoke,
> +and thus the type of query to do, and <name> specifies the string to be

I think while we are here "to do" could be removed.
But maybe that's just me.

> +looked up.  The default query type is a straight hostname to IP address
> +set lookup.

...