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Re: [PATCH] qemu-img: avoid unaligned read requests during convert
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From: |
Max Reitz |
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Subject: |
Re: [PATCH] qemu-img: avoid unaligned read requests during convert |
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Date: |
Thu, 10 Sep 2020 18:58:35 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 |
On 01.09.20 14:51, Peter Lieven wrote:
> in case of large continous areas that share the same allocation status
> it happens that the value of s->sector_next_status is unaligned to the
> cluster size or even request alignment of the source. Avoid this by
> stripping down the s->sector_next_status position to cluster boundaries.
>
> Signed-off-by: Peter Lieven <pl@kamp.de>
> ---
> qemu-img.c | 22 ++++++++++++++++++++++
> 1 file changed, 22 insertions(+)
I've just noticed that with this patch, the iotest 251 fails for vhdx.
Would you be OK with squashing this in?
Max
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