linux-kernel - Re: [patch 05/11] dm-snap: remove SECTOR

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Message-ID: <20070810203854.GG2064@agk.fab.redhat.com>
Date:	Fri, 10 Aug 2007 21:38:54 +0100
From:	Alasdair G Kergon <agk@...hat.com>
To:	Jan Blunck <jblunck@...e.de>
Cc:	dm-devel@...hat.com, linux-kernel@...r.kernel.org
Subject: Re: [patch 05/11] dm-snap: remove SECTOR_SHIFT define

On Fri, Aug 10, 2007 at 10:02:09PM +0200, Jan Blunck wrote:
> Sector size on Linux is always 512 bytes. Don't even try to give the
> impression this is changeable.

If that's what worries you, add a comment next to the definition,
perhaps?

It's there so you can easily locate all the places within dm that
perform these conversions by using a simple search.  Searching for '9'
wouldn't be as easy.  (I don't know about other people, but I find the
code easier to read the way it is.)

BTW When changing one thing across the whole of dm, you may combine
the sub-component patches into a single patch.

Alasdair
-- 
agk@...hat.com
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