block: Add driver callback to get cluster informationblock_qcow2_cluster_info

Signed-off-by: Manuel Bentele <development@manuel-bentele.de>

1 files changed, 17 insertions, 0 deletions

diff --git a/block.c b/block.c
index a18f052374..e73b262871 100644
--- a/block.c
+++ b/block.c
@@ -6304,6 +6304,23 @@ BlockStatsSpecific *bdrv_get_specific_stats(BlockDriverState *bs)
     return drv->bdrv_get_specific_stats(bs);
 }
 
+#ifdef CONFIG_BDRV_CLUSTER_INFO
+int bdrv_get_cluster_info(BlockDriverState *bs, uint64_t offset)
+{
+    BlockDriver *drv = bs->drv;
+
+    if (!drv) {
+        return -ENOMEDIUM;
+    }
+
+    if (drv->bdrv_get_cluster_info) {
+        return drv->bdrv_get_cluster_info(bs, offset);
+    }
+
+    return -ENOTSUP;
+}
+#endif
+
 void bdrv_debug_event(BlockDriverState *bs, BlkdebugEvent event)
 {
     IO_CODE();