linux-kernel - Re: warning: massive change to conditional coding style in net?

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Message-ID: <1259603798.29779.293.camel@Joe-Laptop.home>
Date:	Mon, 30 Nov 2009 09:56:38 -0800
From:	Joe Perches <joe@...ches.com>
To:	William Allen Simpson <william.allen.simpson@...il.com>
Cc:	Linux Kernel Developers <linux-kernel@...r.kernel.org>,
	Linux Kernel Network Developers <netdev@...r.kernel.org>
Subject: Re: warning: massive change to conditional coding style in net?

On Mon, 2009-11-30 at 05:36 -0500, William Allen Simpson wrote:
> Over the past several days, David Miller (with help from Joe Perches)
> made sweeping changes to the format of conditional statements in the
> net tree -- the equivalent of mass patches that change spaces.
> This makes writing patches for multiple versions of the tree very
> difficult, and will make future pullups problematic.

If it makes getting tcp cookies accepted difficult,
a reversion is simple.  That style isn't as important.

I think writing a single set of patches for multiple
versions of linux is not feasible.  Feature changes
occur in kernel source daily.

> 	if (condition
> 	    && condition
> 	    && (condition
> 	        || condition
> 	        || condition)) {

The above is my personally preferred style.

> 	if (condition &&
>              condition && (condition || condition ||
> 	    condition)) {

Except for the odd spacing, this is the significant
majority of net/ style.

The leading style was < 10%.  It's less now.

> Miller (with Perches) changed hundreds (thousands?) of these to
> trailing form.  This results in a number of hilarious examples --
> lines with both leading and trailing, lines with only &&, etc.

Nearly all existing.


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