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-rw-r--r--qapi/block-core.json4
1 files changed, 4 insertions, 0 deletions
diff --git a/qapi/block-core.json b/qapi/block-core.json
index de4d4fd0e4..2303266bc4 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -4135,6 +4135,9 @@
# Driver specific image creation options for qcow2.
#
# @file Node to create the image format on
+# @data-file Node to use as an external data file in which all guest
+# data is stored so that only metadata remains in the qcow2
+# file (since: 4.0)
# @size Size of the virtual disk in bytes
# @version Compatibility level (default: v3)
# @backing-file File name of the backing file if a backing file
@@ -4150,6 +4153,7 @@
##
{ 'struct': 'BlockdevCreateOptionsQcow2',
'data': { 'file': 'BlockdevRef',
+ '*data-file': 'BlockdevRef',
'size': 'size',
'*version': 'BlockdevQcow2Version',
'*backing-file': 'str',