[PATCH v4 05/13] iotests: Improve iotest 194 to mirror data

[Eric Blake <eblake@redhat.com>]

Mirroring a completely sparse image to a sparse destination should be
practically instantaneous.  It isn't yet, but the test will be more
realistic if it has some non-zero to mirror as well as the holes.

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
---
 tests/qemu-iotests/194 | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tests/qemu-iotests/194 b/tests/qemu-iotests/194
index c0ce82dd257..d0b9c084f5f 100755
--- a/tests/qemu-iotests/194
+++ b/tests/qemu-iotests/194
@@ -34,6 +34,7 @@ with iotests.FilePath('source.img') as source_img_path, \

     img_size = '1G'
     iotests.qemu_img_create('-f', iotests.imgfmt, source_img_path, img_size)
+    iotests.qemu_io('-f', iotests.imgfmt, '-c', 'write 512M 1M', source_img_path)
     iotests.qemu_img_create('-f', iotests.imgfmt, dest_img_path, img_size)

     iotests.log('Launching VMs...')
-- 
2.49.0