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-rw-r--r--block/qapi.c5
-rw-r--r--qapi-schema.json10
2 files changed, 11 insertions, 4 deletions
diff --git a/block/qapi.c b/block/qapi.c
index a32cb79..98b1b83 100644
--- a/block/qapi.c
+++ b/block/qapi.c
@@ -318,6 +318,11 @@ BlockStats *bdrv_query_stats(const BlockDriverState *bs)
s->parent = bdrv_query_stats(bs->file);
}
+ if (bs->backing_hd) {
+ s->has_backing = true;
+ s->backing = bdrv_query_stats(bs->backing_hd);
+ }
+
return s;
}
diff --git a/qapi-schema.json b/qapi-schema.json
index 35f7b34..a433869 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -1022,15 +1022,17 @@
#
# @stats: A @BlockDeviceStats for the device.
#
-# @parent: #optional This may point to the backing block device if this is a
-# a virtual block device. If it's a backing block, this will point
-# to the backing file is one is present.
+# @parent: #optional This describes the file block device if it has one.
+#
+# @backing: #optional This describes the backing block device if it has one.
+# (Since 2.0)
#
# Since: 0.14.0
##
{ 'type': 'BlockStats',
'data': {'*device': 'str', 'stats': 'BlockDeviceStats',
- '*parent': 'BlockStats'} }
+ '*parent': 'BlockStats',
+ '*backing': 'BlockStats'} }
##
# @query-blockstats:
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