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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
- [Qemu-devel] [PATCH v8 08/17] qcow2: Split fail code in L1 and L2 checks, (continued)
- [Qemu-devel] [PATCH v8 08/17] qcow2: Split fail code in L1 and L2 checks, Max Reitz, 2014/10/22
- [Qemu-devel] [PATCH v8 09/17] qcow2: Let inc_refcounts() return -errno, Max Reitz, 2014/10/22
- [Qemu-devel] [PATCH v8 11/17] qcow2: Reuse refcount table in calculate_refcounts(), Max Reitz, 2014/10/22
- [Qemu-devel] [PATCH v8 10/17] qcow2: Let inc_refcounts() resize the reftable, Max Reitz, 2014/10/22
- [Qemu-devel] [PATCH v8 12/17] qcow2: Fix refcount blocks beyond image end, Max Reitz, 2014/10/22
- [Qemu-devel] [PATCH v8 14/17] qcow2: Rebuild refcount structure during check, Max Reitz, 2014/10/22
- [Qemu-devel] [PATCH v8 13/17] qcow2: Do not perform potentially damaging repairs, Max Reitz, 2014/10/22
- [Qemu-devel] [PATCH v8 15/17] qcow2: Clean up after refcount rebuild, Max Reitz, 2014/10/22
- [Qemu-devel] [PATCH v8 17/17] iotests: Add test for potentially damaging repairs, Max Reitz, 2014/10/22
- [Qemu-devel] [PATCH v8 16/17] iotests: Fix test outputs, Max Reitz, 2014/10/22
- Re: [Qemu-devel] [PATCH v8 00/17] qcow2: Fix image repairing,
Kevin Wolf <=