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qmp: add ImageInfo in BlockDeviceInfo used by query-block

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Now image info will be retrieved as an embbed json object inside
BlockDeviceInfo, backing chain info and all related internal snapshot
info can be got in the enhanced recursive structure of ImageInfo. New
recursive member *backing-image is added to reflect the backing chain
status.

Signed-off-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Wenchao Xia 2013-06-06 12:27:59 +08:00 • committed by Stefan Hajnoczi
parent 43526ec8d1
commit 553a7e8718
4 changed files with 125 additions and 8 deletions
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4
include/block/qapi.h
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@ -35,7 +35,9 @@ int bdrv_query_snapshot_info_list(BlockDriverState *bs,
void bdrv_query_image_info(BlockDriverState *bs,
ImageInfo **p_info,
Error **errp);
BlockInfo *bdrv_query_info(BlockDriverState *s);
void bdrv_query_info(BlockDriverState *bs,
BlockInfo **p_info,
Error **errp);
BlockStats *bdrv_query_stats(const BlockDriverState *bs);
void bdrv_snapshot_dump(fprintf_function func_fprintf, void *f,