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Re: [Qemu-devel] [PATCH v4] block: qemu-iotests for vhdx, read sample dy
From: |
Kevin Wolf |
Subject: |
Re: [Qemu-devel] [PATCH v4] block: qemu-iotests for vhdx, read sample dynamic image |
Date: |
Wed, 9 Oct 2013 14:10:16 +0200 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
Am 27.09.2013 um 14:48 hat Jeff Cody geschrieben:
> This adds the VHDX format to the qemu-iotests format, and adds
> a read test. The test reads from an existing sample image, that
> was created with Hyper-V under Windwos Server 2012.
>
> The image file is a 1GB dynamic image, with 32MB blocks.
>
> The pattern 0xa5 exists from 0MB-33MB (past a block size boundary)
>
> The pattern 0x96 exists from 33MB-66MB (past another block boundary,
> and leaving a partial blank block)
>
> From 66MB-1024MB, all reads should return 0.
>
> Although 1GB dynamic image with 66MB of data, the bzip2'ed image
> file size is only 874 bytes.
>
> This also adds in the IMGFMT_GENERIC flag, so r/o images can be
> tested (e.g. ./check -vhdx) without failing tests that assume
> r/w support.
>
> Signed-off-by: Jeff Cody <address@hidden>
Thanks, applied to the block branch.
Kevin
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