On 11/22/18 12:48 PM, Andrey Shinkevich wrote:
Adding a parameter to QMP block-stream command to allow discarding
blocks in the backing chain while blocks are being copied to the
active layer.
Signed-off-by: Andrey Shinkevich <andrey.shinkev...@virtuozzo.com>
---
block/stream.c | 3 +--
blockdev.c | 8 +++++++-
hmp-commands.hx | 4 ++--
hmp.c | 4 +++-
include/block/block_int.h | 2 +-
qapi/block-core.json | 5 ++++-
6 files changed, 18 insertions(+), 8 deletions(-)
+++ b/qapi/block-core.json
@@ -2334,6 +2334,9 @@
#
# @speed: the maximum speed, in bytes per second
#
+# @discard: true to delete blocks duplicated in old backing files.
+# (default: false). Since 3.1.
+#
This feels like a feature addition and not a bug fix, so not appropriate
for 3.1-rc3. The next release will be 4.0, so the "since" line should
be updated accordingly.
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3266
Virtualization: qemu.org | libvirt.org
