librbd: notify of header update after rebuilding object map

This will allow clients to detect that the object map is no longer
invalid and to reload the object map from disk.

Signed-off-by: Jason Dillaman <dillaman@redhat.com>

diff --git a/src/librbd/internal.cc b/src/librbd/internal.cc
index 4d7f54086a2da59128c34d64fcd93507e4475f9d..67ab35dfc6a17e9262163d62d6ade4664b81cdd7 100644 (file)
--- a/src/librbd/internal.cc
+++ b/src/librbd/internal.cc
@@ -2732,6 +2732,9 @@ reprotect_and_return_err:
     }
 
     ldout(cct, 10) << "rebuild object map finished" << dendl;
+    if (r < 0) {
+      notify_change(ictx->md_ctx, ictx->header_oid, ictx);
+    }
     return r;
   }