linux-kernel - Re: [dm-devel] [PATCH v10 8/8] block: Add bio_clone_bioset(), bio_clone

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Date:	Fri, 14 Sep 2012 22:50:59 +0100
From:	Alasdair G Kergon <agk@...hat.com>
To:	Kent Overstreet <koverstreet@...gle.com>
Cc:	linux-bcache@...r.kernel.org, linux-kernel@...r.kernel.org,
	dm-devel@...hat.com, Jens Axboe <axboe@...nel.dk>,
	Jeff Garzik <jeff@...zik.org>,
	Boaz Harrosh <bharrosh@...asas.com>,
	Alasdair Kergon <agk@...hat.com>
Subject: Re: [dm-devel] [PATCH v10 8/8] block: Add bio_clone_bioset(),
	bio_clone_kmalloc()

On Thu, Sep 06, 2012 at 03:35:02PM -0700, Kent Overstreet wrote:
> Previously, there was bio_clone() but it only allocated from the fs bio
> set; as a result various users were open coding it and using
> __bio_clone().

Explain in the header the reasoning behind the change to dm-crypt so that 
it no longer resets bi_idx to 0 too?

> -	clone->bi_idx = 0;

Alasdair

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