Re: [Qemu-devel] [PATCH 0/2] qcow2: Avoid making the L1 table too big

[Max Reitz <mreitz@redhat.com>]

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On 15.06.2016 17:36, Max Reitz wrote:
> See https://bugs.launchpad.net/qemu/+bug/1592590 for a bug report.
> 
> Reproducer:
> 
> $ ./qemu-img create -f qcow2 test.qcow2 1M
> Formatting 'test.qcow2', fmt=qcow2 size=1048576 encryption=off
> cluster_size=65536 lazy_refcounts=off refcount_bits=16
> $ ./qemu-img resize test.qcow2 100000T
> Image resized.
> $ ./qemu-img info test.qcow2
> qemu-img: Could not open 'test.qcow2': Active L1 table too large
> 
> After this series:
> 
> $ ./qemu-img resize test.qcow2 100000T
> qemu-img: Error resizing image: File too large
> 
> 
> Max Reitz (2):
>   qemu-img: Use strerror() for generic resize error
>   qcow2: Avoid making the L1 table too big
> 
>  block/qcow2-cluster.c | 2 +-
>  qemu-img.c            | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)

Applied to my block branch.

Max


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