New member *backing-image is added to reflect the backing chain
status.
Signed-off-by: Wenchao Xia <xiaw...@linux.vnet.ibm.com>
---
block/qapi.c | 18 +++++++++++++++++-
qapi-schema.json | 5 ++++-
2 files changed, 21 insertions(+), 2 deletions(-)
diff --git a/block/qapi.c b/block/qapi.c
index 13c7860..2f33a05 100644
--- a/block/qapi.c
+++ b/block/qapi.c
@@ -135,7 +135,23 @@ int bdrv_query_snapshot_info_list(BlockDriverState *bs,
return 0;
}
-/* return 0 on success, and @p_info will be set only on success. */
+/**
+ * bdrv_query_image_info:
+ * @bs: block device to examine
+ * @p_info: location to store image information
+ * @errp: location to store error information
+ *
+ * Store "flat" image inforation in @p_info.
+ *
+ * "Flat" means it does *not* query backing image information,
+ * i.e. (*pinfo)->has_backing_image will be set to false and
+ * (*pinfo)->backing_image to NULL even when the image does in fact have
+ * a backing image.
+ *
+ * On error, store error in @errp.
+ *
+ * Returns: 0 on success, -errno on error.
+ */
int bdrv_query_image_info(BlockDriverState *bs,
ImageInfo **p_info,
Error **errp)
diff --git a/qapi-schema.json b/qapi-schema.json
index 16d0b1f..955ff05 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -233,6 +233,8 @@
#
# @snapshots: #optional list of VM snapshots
#
+# @backing-image: #optional info of the backing image (since 1.5)
+#
# Since: 1.3
#
##
@@ -242,7 +244,8 @@
'*actual-size': 'int', 'virtual-size': 'int',
'*cluster-size': 'int', '*encrypted': 'bool',
'*backing-filename': 'str', '*full-backing-filename': 'str',
- '*backing-filename-format': 'str', '*snapshots': ['SnapshotInfo'] }
}
+ '*backing-filename-format': 'str', '*snapshots': ['SnapshotInfo'],
+ '*backing-image': 'ImageInfo' } }
##
# @ImageCheck:
--
1.7.1
