diff --git a/src/qemu/qemu_blockjob.c b/src/qemu/qemu_blockjob.c
index 3a4e364a8d..71bb143ea2 100644
--- a/src/qemu/qemu_blockjob.c
+++ b/src/qemu/qemu_blockjob.c
@@ -88,7 +88,7 @@ qemuBlockJobDataOnceInit(void)
 
 VIR_ONCE_GLOBAL_INIT(qemuBlockJobData);
 
-static qemuBlockJobDataPtr
+qemuBlockJobDataPtr
 qemuBlockJobDataNew(qemuBlockJobType type,
                     const char *name)
 {
@@ -111,7 +111,7 @@ qemuBlockJobDataNew(qemuBlockJobType type,
 }
 
 
-static int
+int
 qemuBlockJobRegister(qemuBlockJobDataPtr job,
                      virDomainObjPtr vm,
                      virDomainDiskDefPtr disk)
diff --git a/src/qemu/qemu_blockjob.h b/src/qemu/qemu_blockjob.h
index 77298a4bea..fe16badbc8 100644
--- a/src/qemu/qemu_blockjob.h
+++ b/src/qemu/qemu_blockjob.h
@@ -82,6 +82,16 @@ struct _qemuBlockJobData {
     int newstate; /* qemuBlockjobState, subset of events emitted by qemu */
 };
 
+int
+qemuBlockJobRegister(qemuBlockJobDataPtr job,
+                     virDomainObjPtr vm,
+                     virDomainDiskDefPtr disk)
+    ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
+
+qemuBlockJobDataPtr
+qemuBlockJobDataNew(qemuBlockJobType type,
+                    const char *name)
+    ATTRIBUTE_NONNULL(2);
 
 qemuBlockJobDataPtr
 qemuBlockJobDiskNew(virDomainObjPtr vm,