New enhancements for writing compressed data to QCOW2 image.
The preceding patches have been queued in the Max's block branch:
Based-on: <20190916175324.18478-1-vsement...@virtuozzo.com>
v2:
Instead of introducing multiple key options for many drivers, the
'compression' option has been introduced on generic block layer
as suggested by Roman Kagan. Discussed on the thread ID
<1570026166-748566-1-git-send-email-andrey.shinkev...@virtuozzo.com>
Andrey Shinkevich (5):
qcow2: Allow writing compressed data of multiple clusters
tests/qemu-iotests: add case to write compressed data of multiple
clusters
block: support compressed write for copy-on-read
block-stream: add compress option
tests/qemu-iotests: add case for block-stream compress
block.c | 12 ++++-
block/io.c | 23 +++++++---
block/qcow2.c | 106 +++++++++++++++++++++++++++++++++------------
block/qcow2.h | 1 +
block/stream.c | 10 ++++-
block/trace-events | 2 +-
blockdev.c | 16 ++++++-
include/block/block.h | 1 +
include/block/block_int.h | 2 +
qapi/block-core.json | 6 ++-
qemu-options.hx | 6 ++-
tests/qemu-iotests/030 | 51 +++++++++++++++++++++-
tests/qemu-iotests/030.out | 4 +-
tests/qemu-iotests/214 | 35 +++++++++++++++
tests/qemu-iotests/214.out | 15 +++++++
15 files changed, 246 insertions(+), 44 deletions(-)
--
1.8.3.1
