linux-kernel - Re: [2.6.22 PATCH 22/26] dm: bio list helpers

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Message-ID: <20070509154711.GC18152@agk.fab.redhat.com>
Date:	Wed, 9 May 2007 16:47:11 +0100
From:	Alasdair G Kergon <agk@...hat.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	dm-devel@...hat.com, linux-kernel@...r.kernel.org,
	Heinz Mauelshagen <hjm@...hat.com>
Subject: Re: [2.6.22 PATCH 22/26] dm: bio list helpers

On Tue, May 08, 2007 at 05:41:59PM -0700, Andrew Morton wrote:
> On Tue, 8 May 2007 20:48:45 +0100
> Alasdair G Kergon <agk@...hat.com> wrote:
> > +#define BIO_LIST(bl) \
> > +	struct bio_list bl = BIO_LIST_INIT
 
> BIO_LIST is a strange name for something which initialises storage.
 
Those came by analogy with list.h, with list_head -> bio_list:

  #define LIST_HEAD(name) \
        struct list_head name = LIST_HEAD_INIT(name)

We could use something like INIT_BIO_LIST(bl) for that, but perhaps it would be
more readable always written out in full?
   struct bio_list bl = BIO_LIST_INIT;

Alasdair
-- 
agk@...hat.com
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