diff options
Diffstat (limited to 'block/qapi.c')
| -rw-r--r-- | block/qapi.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/block/qapi.c b/block/qapi.c index d70336a012..3a14559ca0 100644 --- a/block/qapi.c +++ b/block/qapi.c @@ -300,7 +300,8 @@ static void bdrv_query_info(BlockBackend *blk, BlockInfo **p_info, qapi_free_BlockInfo(info); } -static BlockStats *bdrv_query_stats(const BlockDriverState *bs) +static BlockStats *bdrv_query_stats(const BlockDriverState *bs, + bool query_backing) { BlockStats *s; @@ -330,12 +331,12 @@ static BlockStats *bdrv_query_stats(const BlockDriverState *bs) if (bs->file) { s->has_parent = true; - s->parent = bdrv_query_stats(bs->file); + s->parent = bdrv_query_stats(bs->file, query_backing); } - if (bs->backing_hd) { + if (query_backing && bs->backing_hd) { s->has_backing = true; - s->backing = bdrv_query_stats(bs->backing_hd); + s->backing = bdrv_query_stats(bs->backing_hd, query_backing); } return s; @@ -366,17 +367,22 @@ BlockInfoList *qmp_query_block(Error **errp) return NULL; } -BlockStatsList *qmp_query_blockstats(Error **errp) +BlockStatsList *qmp_query_blockstats(bool has_query_nodes, + bool query_nodes, + Error **errp) { BlockStatsList *head = NULL, **p_next = &head; BlockDriverState *bs = NULL; - while ((bs = bdrv_next(bs))) { + /* Just to be safe if query_nodes is not always initialized */ + query_nodes = has_query_nodes && query_nodes; + + while ((bs = query_nodes ? bdrv_next_node(bs) : bdrv_next(bs))) { BlockStatsList *info = g_malloc0(sizeof(*info)); AioContext *ctx = bdrv_get_aio_context(bs); aio_context_acquire(ctx); - info->value = bdrv_query_stats(bs); + info->value = bdrv_query_stats(bs, !query_nodes); aio_context_release(ctx); *p_next = info; |