linux-kernel - Re: [RFC PATCH] checkpatch: Make the 80-character limit a --strict check only

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Date:	Mon, 07 Oct 2013 14:33:22 -0700
From:	Joe Perches <joe@...ches.com>
To:	Al Viro <viro@...IV.linux.org.uk>
Cc:	Josh Triplett <josh@...htriplett.org>,
	torvalds@...ux-foundation.org, gregkh@...ux-foundation.org,
	Andy Whitcroft <apw@...onical.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH] checkpatch: Make the 80-character limit a --strict
 check only

On Mon, 2013-10-07 at 22:23 +0100, Al Viro wrote:
> On Mon, Oct 07, 2013 at 12:34:33PM -0700, Josh Triplett wrote:
> 
> > I've seen far more examples of the 80-column limit making code less
> > readable rather than more.  It's only really helpful when it forces code
> > restructuring, *not* when it just forces an arbitrary line break.
> 
> So teach that piece of crap to complain about fucked-in-head line breaks like
> 							ret_val =
> 							    leaf_shift_left(tb,
> 									    tb->
> 									    lnum
> 									    [0],
> 									    tb->
> 									    lbytes
> 									    -
> 									    1);
> in addition to obscenely long lines (and yes, it is a real-world example).

Yup, that's pretty ugly.

It was autogenerated and introduced when Linus
rather arbitrarily lindented the reiserfs code.

btw: I think lindent should be removed from scripts/
http://lkml.org/lkml/2013/2/11/390

I believe reiserfs was originally set to a 132
column width maximum.

commit bd4c625c061c2a38568d0add3478f59172455159
Author: Linus Torvalds <torvalds@...osdl.org>
Date:   Tue Jul 12 20:21:28 2005 -0700

    reiserfs: run scripts/Lindent on reiserfs code
    
    This was a pure indentation change, using:
    
        scripts/Lindent fs/reiserfs/*.c include/linux/reiserfs_*.h


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