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-rwxr-xr-xtests/qemu-iotests/0155
1 files changed, 3 insertions, 2 deletions
diff --git a/tests/qemu-iotests/015 b/tests/qemu-iotests/015
index eec5387f3d..4d8effd0ae 100755
--- a/tests/qemu-iotests/015
+++ b/tests/qemu-iotests/015
@@ -40,8 +40,9 @@ trap "_cleanup; exit \$status" 0 1 2 3 15
# actually any format that supports snapshots
_supported_fmt qcow2
_supported_proto generic
-# Internal snapshots are (currently) impossible with refcount_bits=1
-_unsupported_imgopts 'refcount_bits=1[^0-9]'
+# Internal snapshots are (currently) impossible with refcount_bits=1,
+# and generally impossible with external data files
+_unsupported_imgopts 'refcount_bits=1[^0-9]' data_file
echo
echo "creating image"