Re: [PATCH v4 72/73] xfs: Convert mru cache to XArray

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Joe Perches <joe@xxxxxxxxxxx> writes:

> On Tue, 2017-12-12 at 08:43 +1100, Dave Chinner wrote:
>> On Sat, Dec 09, 2017 at 09:00:18AM -0800, Joe Perches wrote:
>> > On Sat, 2017-12-09 at 09:36 +1100, Dave Chinner wrote:
>> > > 	1. Using lockdep_set_novalidate_class() for anything other
>> > > 	than device->mutex will throw checkpatch warnings. Nice. (*)
>> > []
>> > > (*) checkpatch.pl is considered mostly harmful round here, too,
>> > > but that's another rant....
>> > 
>> > How so?
>> 
>> Short story is that it barfs all over the slightly non-standard
>> coding style used in XFS.
> []
>> This sort of stuff is just lowest-common-denominator noise - great
>> for new code and/or inexperienced developers, but not for working
>> with large bodies of existing code with slightly non-standard
>> conventions.
>
> Completely reasonable.  Thanks.
>
> Do you get many checkpatch submitters for fs/xfs?
>
> If so, could probably do something about adding
> a checkpatch file flag to the directory or equivalent.
>
> Maybe add something like:
>
> fs/xfs/.checkpatch
>
> where the contents turn off most everything

I propose a more fine grained and configurable form of this in

   https://lkml.org/lkml/2017/12/16/343

that also handles sparse and other checkers in a similar way.

Thanks,
Knut

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