It might be useful to compress images during block-stream; this way the user can merge compressed images of a backing chain and the result will remain compressed.
Anton Nefedov (4): qcow2: reject unaligned offsets in write compressed block: support compressed write for copy-on-read block-stream: add compress option iotest 030: add compressed block-stream test Pavel Butsykin (1): qcow2: multiple clusters write compressed qapi/block-core.json | 4 +++ include/block/block_int.h | 4 ++- block/io.c | 30 +++++++++++++++---- block/qcow2.c | 73 +++++++++++++++++++++++++++++++++++----------- block/stream.c | 16 +++++++--- blockdev.c | 13 ++++++++- hmp.c | 2 ++ block/trace-events | 2 +- hmp-commands.hx | 4 +-- tests/qemu-iotests/030 | 69 ++++++++++++++++++++++++++++++++++++++++++- tests/qemu-iotests/030.out | 4 +-- 11 files changed, 186 insertions(+), 35 deletions(-) -- 2.7.4
