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authorKevin Wolf <kwolf@redhat.com>2021-12-17 17:46:53 +0100
committerKevin Wolf <kwolf@redhat.com>2022-01-14 12:03:16 +0100
commit51cd8bddd63540514d44808f7920811439baa253 (patch)
tree44915450ba6dcb3dfc7fb07dec62f7f06a500337 /scripts/render_block_graph.py
parentb9b8860d24676ec59c878d5206ea6bcfc87af798 (diff)
downloadfocaccia-qemu-51cd8bddd63540514d44808f7920811439baa253.tar.gz
focaccia-qemu-51cd8bddd63540514d44808f7920811439baa253.zip
iotests: Test qemu-img convert of zeroed data cluster
This demonstrates what happens when the block status changes in
sub-min_sparse granularity, but all of the parts are zeroed out. The
alignment logic in is_allocated_sectors() prevents that the target image
remains fully sparse as expected, but turns it into a data cluster of
explicit zeros.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20211217164654.1184218-2-vsementsov@virtuozzo.com>
Tested-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'scripts/render_block_graph.py')
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