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Date: Tue, 9 Apr 2013 14:30:49 +0200
From: Stefan Hajnoczi <stefanha@redhat.com>
Message-ID: <20130409123049.GA12456@stefanha-thinkpad.redhat.com>
References: <1365190076-20268-1-git-send-email-kwolf@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH 0/4] block: Vectored bdrv_writev_vmstate
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To: Kevin Wolf <kwolf@redhat.com>
Cc: pbonzini@redhat.com, qemu-devel@nongnu.org

On Fri, Apr 05, 2013 at 09:27:52PM +0200, Kevin Wolf wrote:
> This gives us back reasonable savevm performance, which regressed in
> commit 500f0061.
> 
> Kevin Wolf (4):
>   block: Introduce bdrv_writev_vmstate
>   savevm: Implement block_writev_buffer()
>   block: Introduce bdrv_pwritev() for qcow2_save_vmstate
>   qemu-iotests: A few more bdrv_pread/pwrite tests
> 
>  block.c                       | 105 +++++++++++++++++++++++++++++++-----------
>  block/qcow2.c                 |   6 +--
>  block/sheepdog.c              |  13 ++++--
>  include/block/block.h         |   3 ++
>  include/block/block_int.h     |   4 +-
>  include/migration/qemu-file.h |   2 +-
>  savevm.c                      |  25 ++++++++--
>  tests/qemu-iotests/002        |  13 ++++++
>  tests/qemu-iotests/002.out    |  26 +++++++++++
>  9 files changed, 157 insertions(+), 40 deletions(-)
> 
> -- 
> 1.8.1.4
> 

Thanks, applied to my block tree:
https://github.com/stefanha/qemu/commits/block

Stefan