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Re: [Xen-devel] [PATCH 1/6] block: pass page to xen_biovec_phys_mergeable

To: Ming Lei <ming.lei@xxxxxxxxxx>
From: Christoph Hellwig <hch@xxxxxx>
Date: Mon, 11 Mar 2019 15:16:08 +0100
Cc: Jens Axboe <axboe@xxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Christoph Hellwig <hch@xxxxxx>, linux-block@xxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, ris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, Omar Sandoval <osandov@xxxxxx>
Delivery-date: Mon, 11 Mar 2019 14:16:27 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On Sat, Mar 09, 2019 at 09:37:32AM +0800, Ming Lei wrote:
> xen_biovec_phys_mergeable() only needs .bv_page of the 2nd bio bvec
> for checking if the two bvecs can be merged, so pass page to
> xen_biovec_phys_mergeable() directly.

Looks fine:

Reviewed-by: Christoph Hellwig <hch@xxxxxx>

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References:
- [Xen-devel] [PATCH 0/6] block: enable multi-page bvec for passthrough IO
  - From: Ming Lei
- [Xen-devel] [PATCH 1/6] block: pass page to xen_biovec_phys_mergeable
  - From: Ming Lei

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