linux-kernel - Re: [PATCH v6 03/13] block: Add bio

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Message-ID: <20120822183426.GD19212@google.com>
Date:	Wed, 22 Aug 2012 11:34:26 -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, vgoyal@...hat.com, mpatocka@...hat.com,
	bharrosh@...asas.com, Jens Axboe <axboe@...nel.dk>
Subject: Re: [PATCH v6 03/13] block: Add bio_reset()

On Wed, Aug 22, 2012 at 10:04:00AM -0700, Kent Overstreet wrote:
> Reusing bios is something that's been highly frowned upon in the past,
> but driver code keeps doing it anyways. If it's going to happen anyways,
> we should provide a generic method.
> 
> This'll help with getting rid of bi_destructor - drivers/block/pktcdvd.c
> was open coding it, by doing a bio_init() and resetting bi_destructor.
> 
> v5: Add a define BIO_RESET_BITS, to be very explicit about what parts of
> bio->bi_flags are saved.
> v6: Further commenting verbosity, per Tejun
> 
> Signed-off-by: Kent Overstreet <koverstreet@...gle.com>
> CC: Jens Axboe <axboe@...nel.dk>

Given some users are converted later.

 Acked-by: Tejun Heo <tj@...nel.org>

Thanks.

-- 
tejun
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