@@ -291,7 +291,7 @@ int ram_postcopy_incoming_init(MigrationIncomingState *mis);
*
* @errp - [out] The reason (if any) we cannot block migration right now.
*
- * @returns - 0 on success, -EBUSY on failure, with errp set.
+ * @returns - 0 on success, -EBUSY/-EACCES on failure, with errp set.
*/
int migrate_add_blocker(Error *reason, Error **errp);
@@ -1113,6 +1113,13 @@ static GSList *migration_blockers;
int migrate_add_blocker(Error *reason, Error **errp)
{
+ if (only_migratable) {
+ error_propagate(errp, error_copy(reason));
+ error_prepend(errp, "disallowing migration blocker "
+ "(--only_migratable) for: ");
+ return -EACCES;
+ }
+
if (migration_is_idle(NULL)) {
migration_blockers = g_slist_prepend(migration_blockers, reason);
return 0;