Three test cases:
(1) Adding a qcow2 (metadata) file to an existing data file, see whether
we can read the existing data through the qcow2 image.
(2) Append data to the data file, grow the qcow2 image accordingly, see
whether we can read the new data through the qcow2 image.
(3) At runtime, add a backing image to a freshly created qcow2 image
with an external data file (with data-file-raw). Reading data from
the qcow2 image must return the same result as reading data from the
data file, so everything in the backing image must be ignored.
(This did not use to be the case, because without the L2 tables
preallocated, all clusters would appear as unallocated, and so the
qcow2 driver would fall through to the backing file.)
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20210326145509.163455-3-mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
We are going to drop group file. Define group in tests as a preparatory
step.
The patch is generated by
cd tests/qemu-iotests
grep '^[0-9]\{3\} ' group | while read line; do
file=$(awk '{print $1}' <<< "$line");
groups=$(sed -e 's/^... //' <<< "$line");
awk "NR==2{print \"# group: $groups\"}1" $file > tmp;
cat tmp > $file;
done
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20210116134424.82867-7-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Flushing a qcow2 node must lead to the data-file node being flushed as
well.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Test 244 checks the expected behavior of qcow2 external data files
with respect to zero and discarded clusters. Filesystems however
are free to ignore discard requests, and this seems to be the
case for overlayfs. Relax the tests to skip checks on the
external data file for discarded areas, which implies not using
qemu-img compare in the data_file_raw=on case.
This fixes docker tests on RHEL8.
Cc: Kevin Wolf <kwolf@redhat.com>
Cc: qemu-block@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200409191006.24429-1-pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This adds a test for 'qemu-img convert' with copy offloading where the
target image has an external data file. If the test hosts supports it,
it tests both the case where copy offloading is supported and the case
where it isn't (otherwise we just test unsupported twice).
More specifically, the case with unsupported copy offloading tests
qcow2_alloc_cluster_abort() with external data files.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20200211094900.17315-4-kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20191107163708.833192-22-mreitz@redhat.com
[mreitz: Also disable 273]
Signed-off-by: Max Reitz <mreitz@redhat.com>
Just rm will not delete external data files. Use _rm_test_img every
time we delete a test image.
(In the process, clean up the indentation of every _cleanup() this patch
touches.)
((Also, use quotes consistently. I am happy to see unquoted instances
like "rm -rf $TEST_DIR/..." go.))
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-id: 20191107163708.833192-16-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
Tests should not overwrite all user-supplied image options, but only add
to it (which will effectively overwrite conflicting values). Accomplish
this by passing options to _make_test_img via -o instead of $IMGOPTS.
For some tests, there is no functional change because they already only
appended options to IMGOPTS. For these, this patch is just a
simplification.
For others, this is a change, so they now heed user-specified $IMGOPTS.
Some of those tests do not work with all image options, though, so we
need to disable them accordingly.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-id: 20191107163708.833192-12-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
bash is installed in a different directory on non-Linux systems like
FreeBSD. Do not hard-code /bin/bash here so that the tests can run
there, too.
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Message-Id: <20190502084506.8009-4-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Max Reitz
Vladimir Sementsov-Ogievskiy
Paolo Bonzini
Kevin Wolf
Thomas Huth