Prevents libvirt from treating RBD backing stores as files. Without this
patch,
creating a domain with a qcow2 overlay on an RBD would fail.
This patch essentially extends 9c7c4a4fc533598e59e9a0038ec783e61a38e664,
which allows nbd backing stores, to allow rbd backing stores.
diff --git a/src/util/storage_file.c b/src/util/storage_file.c
index f38aa8e..101518a 100644
--- a/src/util/storage_file.c
+++ b/src/util/storage_file.c
@@ -589,8 +589,8 @@ virStorageFileMatchesVersion(int format,
static bool
virBackingStoreIsFile(const char *backing)
{
- /* Backing store is a network block device */
- if (STRPREFIX(backing, "nbd:"))
+ /* Backing store is a network block device or Rados block device */
+ if (STRPREFIX(backing, "nbd:") || STRPREFIX(backing, "rbd:"))
return false;
return true;
}