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Date: Wed, 7 Jun 2017 19:20:54 +0300
From: Manos Pitsidianakis <el13635@mail.ntua.gr>
Message-ID: <20170607162054.mbo2nxgi4zd4kqk6@postretch>
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Subject: Re: [Qemu-devel] [PATCH v2 6/7] qcow2: Pass a QEMUIOVector to
 do_perform_cow_{read, write}()
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To: Alberto Garcia <berto@igalia.com>
Cc: qemu-devel@nongnu.org, Kevin Wolf <kwolf@redhat.com>, qemu-block@nongnu.org, Max Reitz <mreitz@redhat.com>, Stefan Hajnoczi <stefanha@redhat.com>, "Denis V . Lunev" <den@openvz.org>


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On Wed, Jun 07, 2017 at 05:08:27PM +0300, Alberto Garcia wrote:
>Instead of passing a single buffer pointer to do_perform_cow_write(),
>pass a QEMUIOVector. This will allow us to merge the write requests
>for the COW regions and the actual data into a single one.
>
>Although do_perform_cow_read() does not strictly need to change its
>API, we're doing it here as well for consistency.
>
>Signed-off-by: Alberto Garcia <berto@igalia.com>

Reviewed-by: Manos Pitsidianakis <el13635@mail.ntua.gr>

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