Merge pull request #11852: jewel: Exclusive lock improperly initializ…

…ed on read-only image when using snap_set API Reviewed-by: Loic Dachary <ldachary@redhat.com>
ceph · Nov 9, 2016 · 804fdbf · 804fdbf
2 parents 30d9864 + 20ae76b
commit 804fdbf
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/librbd/image/SetSnapRequest.cc b/src/librbd/image/SetSnapRequest.cc
@@ -56,7 +56,8 @@ void SetSnapRequest<I>::send_init_exclusive_lock() {
     }
   }
 
-  if (!m_image_ctx.test_features(RBD_FEATURE_EXCLUSIVE_LOCK)) {
+  if (m_image_ctx.read_only ||
+      !m_image_ctx.test_features(RBD_FEATURE_EXCLUSIVE_LOCK)) {
     int r = 0;
     if (send_refresh_parent(&r) != nullptr) {
       send_complete();