linux-ext4 - Re: [PATCH 1/1] Fix of coding style

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Date:	Mon, 26 Jan 2015 11:31:32 -0600
From:	Eric Sandeen <sandeen@...hat.com>
To:	Jiri Slaby <jslaby@...e.cz>, Jan Mrazek <email@...zamrazek.cz>,
	"Theodore Ts'o" <tytso@....edu>, linux-ext4@...r.kernel.org,
	trivial@...nel.org
Subject: Re: [PATCH 1/1] Fix of coding style

On 1/26/15 11:28 AM, Jiri Slaby wrote:
> On 01/26/2015, 06:18 PM, Eric Sandeen wrote:
>> On 1/26/15 10:24 AM, Jan Mrazek wrote:
>>> - multiline strings changed to singleline (so it can be greped)
>>
>> Thereby blowing past 80 columns in many cases, something we generally
>> don't like to do, per Documentation/CodingStyle:
> 
> When you refer to that document, you certainly read the whole chapter 2 :).

OK, fair enough :)
 
>>> The limit on the length of lines is 80 columns and this is a strongly
>>> preferred limit.
>>
>> I'm not so sure about the grep-ability value, because nobody's going to
>> grep for "...%s): %s:%d: inode #%lu: ..." anyway...
> 
> Perhaps, but
>   grep EXT4.*block.*comm
> does the trick quite nice... And this is actually a nice example of the
> point of this exercise.
> 
>> but if it's really deemed desirable to keep these strings on one line,
>> we could do i.e.:
>>
>>> +			printk(KERN_CRIT
>>> +"EXT4-fs error (device %s): %s:%d: inode #%lu: block %llu: comm %s: %pV\n",
>>>  			       inode->i_sb->s_id, function, line, inode->i_ino,
>>>  			       block, current->comm, &vaf)
>>
>> which is a trick the xfs code uses in some places.
> 
> Oh no, that's ugly.

Eye of the beholder, etc.  ;)  Anyway, that's my $0.02, we can see what others
think.

-Eric

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