Re: [PATCH V6 15/30] block: introduce bio_clone_chunk_bioset()

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On Wed, Jun 13, 2018 at 11:39:20PM -0700, Christoph Hellwig wrote:
> On Thu, Jun 14, 2018 at 10:01:38AM +0800, Ming Lei wrote:
> > Bounce limits the max pages as 256 will do bio splitting, so won't need
> > this change.
> 
> Behavior for the bounce code does not change with my patch.
> 
> The important points are:
> 
>  - the default interface (bio_clone_bioset in this case) should always
>    operate on full biosets
>  - if the bounce code needs bioves limited to single pages it should
>    be treated as the special case
>  - given that the bounce code is inside the block layer using the
>    __-prefixed internal interface is perfectly fine
>  - last but not least I think the parameter switching the behavior
>    needs a much more descriptive name as suggested in my patch

Fair enough, will switch to this way and avoid DM's change, even though
it is a dying interface.

Thanks,
Ming



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