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

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Message-ID: <1512838818.26342.7.camel@perches.com>
Date:   Sat, 09 Dec 2017 09:00:18 -0800
From:   Joe Perches <joe@...ches.com>
To:     Dave Chinner <david@...morbit.com>,
        Alan Stern <stern@...land.harvard.edu>
Cc:     Byungchul Park <byungchul.park@....com>,
        Theodore Ts'o <tytso@....edu>,
        Matthew Wilcox <willy@...radead.org>,
        Matthew Wilcox <mawilcox@...rosoft.com>,
        Ross Zwisler <ross.zwisler@...ux.intel.com>,
        Jens Axboe <axboe@...nel.dk>,
        Rehas Sachdeva <aquannie@...il.com>, linux-mm@...ck.org,
        linux-fsdevel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net,
        linux-nilfs@...r.kernel.org, linux-btrfs@...r.kernel.org,
        linux-xfs@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-team@....com
Subject: Re: [PATCH v4 72/73] xfs: Convert mru cache to XArray

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?

> (**) the frequent occurrence of "core code/devs aren't held to the
> same rules/standard as everyone else" is another rant I have stored
> up for a rainy day.

Yeah.  I wouldn't mind reading that one...

Rainy season is starting right about now here too.