diff options
Diffstat (limited to 'qapi')
| -rw-r--r-- | qapi/block-core.json | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/qapi/block-core.json b/qapi/block-core.json index 8848319..f745b88 100644 --- a/qapi/block-core.json +++ b/qapi/block-core.json @@ -1193,9 +1193,31 @@ # # Generates a snapshot of a block device. # +# Create a snapshot, by installing 'node' as the backing image of +# 'overlay'. Additionally, if 'node' is associated with a block +# device, the block device changes to using 'overlay' as its new active +# image. +# # For the arguments, see the documentation of BlockdevSnapshot. # # Since: 2.5 +# +# Example: +# +# -> { "execute": "blockdev-add", +# "arguments": { "options": { "driver": "qcow2", +# "node-name": "node1534", +# "file": { "driver": "file", +# "filename": "hd1.qcow2" }, +# "backing": "" } } } +# +# <- { "return": {} } +# +# -> { "execute": "blockdev-snapshot", +# "arguments": { "node": "ide-hd0", +# "overlay": "node1534" } } +# <- { "return": {} } +# ## { 'command': 'blockdev-snapshot', 'data': 'BlockdevSnapshot' } |