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qemu-img: find the image end offset during check
This patch adds the support for reporting the image end offset (inbytes). This is particularly useful after a conversion (or a rebase)where the destination is a block device in order to find the firstunused byte at the end of the image....
qemu-iotests: skip 039 with ./check -nocache
When the qemu-io --nocache option is used the 039 test case cannot abortQEMU at a point where the image is dirty. Skip the test case.
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>Signed-off-by: Kevin Wolf <kwolf@redhat.com>
qemu-iotests: add 039 qcow2 lazy refcounts test
This tests establishes the basic post-conditions of the qcow2 lazyrefcounts features:
1. If the image was closed normally, it is marked clean.
2. If an allocating write was performed and the image was not closed...