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Date: Tue, 24 Mar 2015 13:40:07 +0000
From: Stefan Hajnoczi <stefanha@gmail.com>
Message-ID: <20150324134007.GC1493@stefanha-thinkpad.redhat.com>
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Subject: Re: [Qemu-devel] [PATCH v2 0/2] block: Fix unaligned zero write
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To: Fam Zheng <famz@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>, qemu-block@nongnu.org, pl@kamp.de, qemu-devel@nongnu.org, qemu-stable@nongnu.org, Stefan Hajnoczi <stefanha@redhat.com>


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On Tue, Mar 24, 2015 at 09:23:48AM +0800, Fam Zheng wrote:
> This fixes a segfault when doing unaligned zero write to an image that is=
 4k
> aligned.
>=20
> v2: Don't drop the unset of UNMAP flag. [Stefan, Peter]
>=20
> Reproducer:
>=20
>     $ (echo "open -o file.align=3D4k blkdebug::img"; echo "write -z 512 1=
024") | qemu-io
>=20
> Fam Zheng (2):
>   block: Fix unaligned zero write
>   qemu-iotests: Test unaligned 4k zero write
>=20
>  block.c                    | 45 ++++++++++++++++++++++++++++++++++++++--=
----
>  tests/qemu-iotests/033     | 47 +++++++++++++++++++++++++++++-----------=
------
>  tests/qemu-iotests/033.out | 26 +++++++++++++++++++++++++
>  3 files changed, 95 insertions(+), 23 deletions(-)

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

Stefan

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