Re: [Lsf-pc] [LSF/MM ATTEND] block: multipage bvecs

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On Sun, Feb 28, 2016 at 08:26:46AM -0800, James Bottomley wrote:
> You mean in bio_add_page() the code which currently aggregates chunks
> within a page could build a bio vec entry up to the max segment size? 
>  I think that is reasonable, especially now the bio splitting code can
> actually split inside a bio vec entry.

Yes.  Kent has an old prototype that did this at:

https://evilpiepirate.org/git/linux-bcache.git/log/?h=block_stuff

I don't think any of that is reusable as-is, but the basic idea is
sounds and very useful.
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