linux-ext4 - Re: [PATCHv4 01/17] VFS: introduce helpers for the s

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Date:	Fri, 28 May 2010 22:14:32 +0100
From:	Al Viro <viro@...IV.linux.org.uk>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Artem Bityutskiy <dedekind1@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Jens Axboe <jens.axboe@...cle.com>,
	linux-fsdevel@...r.kernel.org,
	Roman Zippel <zippel@...ux-m68k.org>,
	"Tigran A. Aivazian" <tigran@...azian.fsnet.co.uk>,
	Chris Mason <chris.mason@...cle.com>,
	Boaz Harrosh <bharrosh@...asas.com>,
	linux-ext4@...r.kernel.org, Theodore Ts'o <tytso@....edu>,
	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>,
	David Woodhouse <dwmw2@...radead.org>,
	reiserfs-devel@...r.kernel.org, Jan Kara <jack@...e.cz>,
	Evgeniy Dushistov <dushistov@...l.ru>
Subject: Re: [PATCHv4 01/17] VFS: introduce helpers for the s_dirty flag

On Fri, May 28, 2010 at 01:23:18PM -0700, Andrew Morton wrote:

> A more conventional and superior naming scheme is
> subsystemid_specific_function_identifier().  eg, bio_add_page() instead
> of add_page_to_bio().
> 
> So these want to be sb_mark_dirty(), etc.
> 
> Being very old code written by very yound people, the VFS kinda ignores
> that convention, but it doesn't hurt to use it for new code.
> 
> Feel free to ignore me if that's too much of a PITA ;)

The real issue is that it's almost certainly an overdesign.  Let's
get rid of the bogus uses first and figure out what's happening in
what remains, OK?

I have no problems with doing such wrappers, but if we touch every
place using ->s_dirt anyway, let's at least take a good look at them.

I'm mostly OK with what had emerged for the final patch in series,
but...
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