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

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To: Ming Lei <ming.lei@xxxxxxxxxx>
Subject: Re: [PATCH 1/6] block: pass page to xen_biovec_phys_mergeable
From: Christoph Hellwig <hch@xxxxxx>
Date: Mon, 11 Mar 2019 15:16:08 +0100
Cc: Jens Axboe <axboe@xxxxxxxxx>, linux-block@xxxxxxxxxxxxxxx, ris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, Omar Sandoval <osandov@xxxxxx>, Christoph Hellwig <hch@xxxxxx>
In-reply-to: <20190309013737.27741-2-ming.lei@redhat.com>
References: <20190309013737.27741-1-ming.lei@redhat.com> <20190309013737.27741-2-ming.lei@redhat.com>
User-agent: Mutt/1.5.17 (2007-11-01)

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>

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

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