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Date: Wed, 10 Jan 2018 18:55:56 +0000
From: Stefan Hajnoczi <stefanha@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH v4 4/9] block: Introduce buf register API
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To: Fam Zheng <famz@redhat.com>
Cc: qemu-devel@nongnu.org, Paolo Bonzini <pbonzini@redhat.com>, Keith Busch <keith.busch@intel.com>, qemu-block@nongnu.org, Kevin Wolf <kwolf@redhat.com>, Max Reitz <mreitz@redhat.com>, Eric Blake <eblake@redhat.com>, Markus Armbruster <armbru@redhat.com>, Karl Rister <krister@redhat.com>


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On Wed, Jan 10, 2018 at 05:18:41PM +0800, Fam Zheng wrote:
> Allow block driver to map and unmap a buffer for later I/O, as a performa=
nce
> hint.
>=20
> Signed-off-by: Fam Zheng <famz@redhat.com>
> ---
>  block/block-backend.c          | 10 ++++++++++
>  block/io.c                     | 24 ++++++++++++++++++++++++
>  include/block/block.h          | 11 ++++++++++-
>  include/block/block_int.h      |  9 +++++++++
>  include/sysemu/block-backend.h |  3 +++
>  5 files changed, 56 insertions(+), 1 deletion(-)

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>

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