Hi all! Here is my proposal, about how to correctly update qcow2 specification to introduce new field, keeping in mind currently existing images and downstream Qemu instances.
v8: Add padding, and clarify "zero equals absence" concept. Move some points to commit message from the spec itself. Fix s/108/105 in 02 Vladimij Sementsov-Ogievskiy (3): docs: improve qcow2 spec about extending image header docs: define padding for qcow2 header docs: qcow2: introduce compression type feature docs/interop/qcow2.txt | 48 +++++++++++++++++++++++++++++++++++++++--- 1 file changed, 45 insertions(+), 3 deletions(-) -- 2.21.0