[Qemu-devel] [PATCH COLO v3 08/14] Allow creating backup jobs when opening BDS

[Wen Congyang]

When opening BDS, we need to create backup jobs for
image-fleecing. This feature is not used by qemu-img,
qemu-io or qemu-nbd. So just adding the referenced
functions to stubs.

Signed-off-by: Wen Congyang <address@hidden>
Signed-off-by: zhanghailiang <address@hidden>
Signed-off-by: Gonglei <address@hidden>
---
 stubs/Makefile.objs |  1 +
 stubs/backup.c      | 11 +++++++++++
 2 files changed, 12 insertions(+)
 create mode 100644 stubs/backup.c

diff --git a/stubs/Makefile.objs b/stubs/Makefile.objs
index 8beff4c..5ae2214 100644
--- a/stubs/Makefile.objs
+++ b/stubs/Makefile.objs
@@ -39,3 +39,4 @@ stub-obj-$(CONFIG_WIN32) += fd-register.o
 stub-obj-y += cpus.o
 stub-obj-y += kvm.o
 stub-obj-y += qmp_pc_dimm_device_list.o
+stub-obj-y += backup.o
diff --git a/stubs/backup.c b/stubs/backup.c
new file mode 100644
index 0000000..3ebcc71
--- /dev/null
+++ b/stubs/backup.c
@@ -0,0 +1,11 @@
+#include "block/block_int.h"
+
+void backup_start(BlockDriverState *bs, BlockDriverState *target,
+                  int64_t speed, MirrorSyncMode sync_mode,
+                  BlockdevOnError on_source_error,
+                  BlockdevOnError on_target_error,
+                  BlockCompletionFunc *cb, void *opaque,
+                  Error **errp)
+{
+    error_setg(errp, "this feature or command is not currently supported");
+}
-- 
2.1.0