linux-kernel - Re: [dm-devel] [PATCH v3 3/3] dm: lookup devices by path with name_to_dev

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Message-ID: <20100524150729.GZ3991@agk-dp.fab.redhat.com>
Date:	Mon, 24 May 2010 16:07:29 +0100
From:	Alasdair G Kergon <agk@...hat.com>
To:	Will Drewry <wad@...omium.org>
Cc:	dm-devel@...hat.com, linux-kernel@...r.kernel.org,
	snitzer@...hat.com
Subject: Re: [dm-devel] [PATCH v3 3/3] dm: lookup devices by path with
	name_to_dev_t

On Mon, May 24, 2010 at 09:44:07AM -0500, Will Drewry wrote:
> fwiw, the only reason for the copy was because |path| is a
> const in the function but not when passed to name_to_dev_t.
> I wasn't sure what the preferred practice was so I just duped
> the data needed.
 
Well check that it is treated as 'const' and send a separate patch to
the maintainer to add const, perhaps?  If it isn't const (why would
that be?), then yes we'd need to copy it.

Alasdair

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