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 | 16 +++++++++++++++- qapi-schema.json | 5 ++++- 2 files changed, 19 insertions(+), 2 deletions(-)
diff --git a/block/qapi.c b/block/qapi.c index 680ec23..cbef584 100644 --- a/block/qapi.c +++ b/block/qapi.c @@ -88,7 +88,21 @@ int bdrv_query_snapshot_info_list(BlockDriverState *bs, return 0; } -/* @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. + * + * @p_info will be set only on success. On error, store error in @errp. + */ void bdrv_query_image_info(BlockDriverState *bs, ImageInfo **p_info, Error **errp) diff --git a/qapi-schema.json b/qapi-schema.json index ef1f657..a02999d 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -236,6 +236,8 @@ # # @snapshots: #optional list of VM snapshots # +# @backing-image: #optional info of the backing image (since 1.6) +# # Since: 1.3 # ## @@ -245,7 +247,8 @@ '*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