Re: [PATCH 06/13] block: Add bio_reset()

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On Thu, May 17, 2012 at 10:59:53PM -0400, koverstreet@xxxxxxxxxx wrote:
> From: Kent Overstreet <koverstreet@xxxxxxxxxx>
> 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.

It would be nice to explain a bit why this helps bi_destructor

> +#define BIO_RESET_OFFSET	offsetof(struct bio, bi_max_vecs)

Maybe better named BIO_RESET_BYTES?  As offset tends to indicate the
start of a region.


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