Am 17.10.2012 14:02, schrieb Stefan Hajnoczi: > This series adds the --backing-chain option for enumerating the backing file > chain. Given the topmost image it will print qemu-img info information for > each image file in the chain. > > Special care needs to be taken when image files form an infinite loop. This > is > very unusual, most like due to malicious image files. Nevertheless, qemu-img > must be robust against invalid inputs so we explicit check for this. > > v3: > * Use ImageInfoList to avoid manually outputting JSON and to make the code > more QAPI-friendly. > * Solve the output vs error messages issues by printing a detailed error > message but no image info. To dig into a broken image chain, rerun without > --backing-chain. This is different from what I initially tried but is much > cleaner because it doesn't produce confusing output. > * rm -f $TEST_IMG.[123].base [Kevin] > * Include --output=json in test case [Kevin] > * Rename test case to free 043 number [Eric] > > Stefan Hajnoczi (2): > qemu-img: Add --backing-chain option to info command > qemu-iotests: Add 043 backing file chain infinite loop test > > qemu-img.c | 167 > +++++++++++++++++++++++++++++++++++++++---- > tests/qemu-iotests/043 | 94 ++++++++++++++++++++++++ > tests/qemu-iotests/043.out | 66 +++++++++++++++++ > tests/qemu-iotests/common.rc | 10 +++ > tests/qemu-iotests/group | 1 + > 5 files changed, 324 insertions(+), 14 deletions(-) > create mode 100755 tests/qemu-iotests/043 > create mode 100644 tests/qemu-iotests/043.out
Thanks applied both to the block branch. Kevin