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Re: [PATCH v10 31/34] qcow2: Add the 'extended_l2' option and the QCOW2_
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From: |
Max Reitz |
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Subject: |
Re: [PATCH v10 31/34] qcow2: Add the 'extended_l2' option and the QCOW2_INCOMPAT_EXTL2 bit |
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Date: |
Thu, 9 Jul 2020 16:04:56 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 |
On 03.07.20 17:58, Alberto Garcia wrote:
> Now that the implementation of subclusters is complete we can finally
> add the necessary options to create and read images with this feature,
> which we call "extended L2 entries".
>
> Signed-off-by: Alberto Garcia <berto@igalia.com>
> Reviewed-by: Eric Blake <eblake@redhat.com>
> Reviewed-by: Max Reitz <mreitz@redhat.com>
> ---
After running basically all test combinations I usually run, I noticed
that 191 should also be modified to drop the extended_l2 option from the
qemu-img info output (down under “checking image base” and “checking
image layer”, where there are sed //D calls already). Otherwise, it’ll
break with compat=0.10 (for no good reason).
(It needs the format-specific info because it needs to check the
encryption information, so it just manually drops everything it doesn’t
need.)
Max
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- [PATCH v10 17/34] qcow2: Add cluster type parameter to qcow2_get_host_offset(), (continued)
- [PATCH v10 17/34] qcow2: Add cluster type parameter to qcow2_get_host_offset(), Alberto Garcia, 2020/07/03
- [PATCH v10 27/34] qcow2: Add subcluster support to handle_alloc_space(), Alberto Garcia, 2020/07/03
- [PATCH v10 29/34] qcow2: Add subcluster support to qcow2_measure(), Alberto Garcia, 2020/07/03
- [PATCH v10 30/34] qcow2: Add prealloc field to QCowL2Meta, Alberto Garcia, 2020/07/03
- [PATCH v10 32/34] qcow2: Allow preallocation and backing files if extended_l2 is set, Alberto Garcia, 2020/07/03
- [PATCH v10 34/34] iotests: Add tests for qcow2 images with extended L2 entries, Alberto Garcia, 2020/07/03
- [PATCH v10 31/34] qcow2: Add the 'extended_l2' option and the QCOW2_INCOMPAT_EXTL2 bit, Alberto Garcia, 2020/07/03