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Date: Wed, 8 Aug 2012 16:09:44 -0700
From: Tejun Heo <tj@...nel.org>
To: Kent Overstreet <koverstreet@...gle.com>
Cc: linux-bcache@...r.kernel.org, linux-kernel@...r.kernel.org,
dm-devel@...hat.com, axboe@...nel.dk, agk@...hat.com,
neilb@...e.de, drbd-dev@...ts.linbit.com, vgoyal@...hat.com,
mpatocka@...hat.com, sage@...dream.net, yehuda@...newdream.net
Subject: Re: [PATCH v5 09/12] block: Rework bio_pair_split()
Hello,
On Mon, Aug 06, 2012 at 03:08:38PM -0700, Kent Overstreet wrote:
> This changes bio_pair_split() to use the new bio_split() underneath,
> which gets rid of the single page bio limitation. The various callers
> are fixed up for the slightly different struct bio_pair, and to remove
> the unnecessary checks.
>
> v5: Move extern declaration to proper patch, per Boaz
I don't get this. Why can't bio_split() chain the split to the
original one thus make bio_pair unnecessary? It's not like completing
the split bio with the same end_io ever makes sense.
Thanks.
--
tejun
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