linux-kernel - Re: [PATCH] Drop 80-character limit in checkpatch.pl

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Date:	Fri, 18 Dec 2009 14:04:37 +0100 (CET)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Américo Wang <xiyou.wangcong@...il.com>,
	Mikulas Patocka <mpatocka@...hat.com>,
	linux-kernel@...r.kernel.org, Alasdair G Kergon <agk@...hat.com>,
	dm-devel@...hat.com
Subject: Re: [PATCH] Drop 80-character limit in checkpatch.pl

On Thu, 17 Dec 2009, Bartlomiej Zolnierkiewicz wrote:

> > > I like this patch, this is actually what I wanted to do.
> > 
> > I have nothing against a switch, but it had better default to off.
> > 
> > The whole 80-char limit is insane. It results in insane "fixes". Just 
> > about every time somebody "improves" a patch due to the warning, the 
> > result is worse than the original patch.
> 
> Examples? :)

balance_leaf() in fs/reiserfs/do_balan.c

Example picked totally at random:

	set_le_ih_k_offset(ih,
			   le_ih_k_offset(ih) +
			   (tb->
			    lbytes <<
			    (is_indirect_le_ih
			     (ih) ? tb->tb_sb->
			     s_blocksize_bits -
			     UNFM_P_SHIFT :
			     0)));

See how everything is nicely aligned to 80 cols?


Generally, don't look at this function after having a good lunch you want 
to keep. You have been warned.

-- 
Jiri Kosina
SUSE Labs, Novell Inc.

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