block: Add replaces argument to drive-mirror
drive-mirror will bdrv_swap the new BDS named node-name with the one
pointed by replaces when the mirroring is finished.
Signed-off-by: Benoit Canet <benoit@irqsave.net>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
diff --git a/qapi/block-core.json b/qapi/block-core.json
index ff7224f..406ce03 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -768,6 +768,10 @@
# @node-name: #optional the new block driver state node name in the graph
# (Since 2.1)
#
+# @replaces: #optional with sync=full graph node name to be replaced by the new
+# image when a whole image copy is done. This can be used to repair
+# broken Quorum files. (Since 2.1)
+#
# @mode: #optional whether and how QEMU should create a new image, default is
# 'absolute-paths'.
#
@@ -800,7 +804,7 @@
##
{ 'command': 'drive-mirror',
'data': { 'device': 'str', 'target': 'str', '*format': 'str',
- '*node-name': 'str',
+ '*node-name': 'str', '*replaces': 'str',
'sync': 'MirrorSyncMode', '*mode': 'NewImageMode',
'*speed': 'int', '*granularity': 'uint32',
'*buf-size': 'int', '*on-source-error': 'BlockdevOnError',
