This tests that qemu-img rebase doesn't assume that the backing file has the same size as the image, but considers that it can be smaller.
Signed-off-by: Kevin Wolf <kw...@redhat.com> Reviewed-by: Stefan Hajnoczi <stefa...@linux.vnet.ibm.com> --- tests/qemu-iotests/028 | 5 +++++ tests/qemu-iotests/028.out | 1 + 2 files changed, 6 insertions(+), 0 deletions(-) diff --git a/tests/qemu-iotests/028 b/tests/qemu-iotests/028 index 07c5bb6..b091ba9 100755 --- a/tests/qemu-iotests/028 +++ b/tests/qemu-iotests/028 @@ -96,6 +96,11 @@ io_zero readv $(( offset + 32 * 1024 )) 512 1024 32 _check_test_img +# Rebase it on top of its base image +$QEMU_IMG rebase -b $TEST_IMG.base $TEST_IMG + +_check_test_img + # success, all done echo "*** done" rm -f $seq.full diff --git a/tests/qemu-iotests/028.out b/tests/qemu-iotests/028.out index f429029..fe00788 100644 --- a/tests/qemu-iotests/028.out +++ b/tests/qemu-iotests/028.out @@ -465,4 +465,5 @@ qemu-io> read 512/512 bytes at offset 3221257728 qemu-io> read 512/512 bytes at offset 3221258752 512.000000 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) qemu-io> No errors were found on the image. +No errors were found on the image. *** done -- 1.7.6.5