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Re: [Qemu-block] [PATCH v7 1/2] mirror: Rewrite mirror_iteration
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From: |
Max Reitz |
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Subject: |
Re: [Qemu-block] [PATCH v7 1/2] mirror: Rewrite mirror_iteration |
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Date: |
Thu, 24 Dec 2015 01:15:26 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0 |
On 23.12.2015 05:12, Fam Zheng wrote:
> The "pnum < nb_sectors" condition in deciding whether to actually copy
> data is unnecessarily strict, and the qiov initialization is
> unnecessarily for bdrv_aio_write_zeroes and bdrv_aio_discard.
>
> Rewrite mirror_iteration to fix both flaws.
>
> Signed-off-by: Fam Zheng <address@hidden>
> ---
> block/mirror.c | 308
> +++++++++++++++++++++++++++++++++++----------------------
> 1 file changed, 188 insertions(+), 120 deletions(-)
Reviewed-by: Max Reitz <address@hidden>
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