linux-kernel - Re: [PATCH 002 of 5] Replace bio_data with blk_rq

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Message-ID: <18116.12755.587269.111597@notabene.brown>
Date:	Thu, 16 Aug 2007 21:15:31 +1000
From:	Neil Brown <neilb@...e.de>
To:	Jens Axboe <jens.axboe@...cle.com>
Cc:	linux-kernel@...r.kernel.org, Tejun Heo <htejun@...il.com>
Subject: Re: [PATCH 002 of 5] Replace bio_data with blk_rq_data

On Thursday August 16, jens.axboe@...cle.com wrote:
> > 2 and 3 are very simple changes that - I think - make it clearer what
> > is happening.
> 
> To be honest, I don't see much win in using blk_rq_data() over
> bio_data() at all. I'd much much rather just see it go away!
> 

Well, as it is always the data at the (current) head of the request...

But I can make it go a way if you like.. What does it become?
bvec_kmap ??

> > And I felt 5 was a sufficient improvement to justify it and 4...
> 
> 5 is nice, I would like to apply that :-)
> 

OK, here comes '5' at the top of a small set of patches.  Take it and
any of the following that you like.

NeilBrown
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