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Date: Wed, 9 Oct 2013 14:10:16 +0200
From: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20131009121016.GM8994@dhcp-200-207.str.redhat.com>
References: <1e3369ae33d399a6cce0f21fbe4a7ce597c5f288.1380285609.git.jcody@redhat.com>
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In-Reply-To: <1e3369ae33d399a6cce0f21fbe4a7ce597c5f288.1380285609.git.jcody@redhat.com>
Subject: Re: [Qemu-devel] [PATCH v4] block: qemu-iotests for vhdx,
 read sample dynamic image
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To: Jeff Cody <jcody@redhat.com>
Cc: qemu-devel@nongnu.org, stefanha@redhat.com

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 <jcody@redhat.com>

Thanks, applied to the block branch.

Kevin