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2020-01-06iotests: Replace IMGOPTS= by -oMax Reitz
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>
2019-09-10iotests: Test reverse sub-cluster qcow2 writesMax Reitz
This exercises the regression introduced in commit 50ba5b2d994853b38fed10e0841b119da0f8b8e5. On my machine, it has close to a 50 % false-negative rate, but that should still be sufficient to test the fix. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com> Tested-by: Stefano Garzarella <sgarzare@redhat.com> Tested-by: John Snow <jsnow@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>