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Re: [Qemu-devel] [PATCH v8 00/17] qcow2: Fix image repairing


From: Kevin Wolf
Subject: Re: [Qemu-devel] [PATCH v8 00/17] qcow2: Fix image repairing
Date: Wed, 22 Oct 2014 15:18:18 +0200
User-agent: Mutt/1.5.21 (2010-09-15)

Am 22.10.2014 um 14:09 hat Max Reitz geschrieben:
> As can be seen in the final patch of this series, there are certain
> cases where the current repair implementation of qcow2 actually damages
> the image further because it allocates new clusters for the refcount
> structure which overlap with existing but according to the on-disk
> refcounts (which are assumed to be wrong to begin with) unallocated
> clusters.
> 
> This series fixes this by completely recreating the refcount structure
> based on the in-memory information calculated during the check operation
> if the possibility of damaging the image while repairing the refcount
> structures in-place exists.

Thanks, applied to the block branch.

Kevin



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