FileStore: Add omap_backend to "<<" operator

Signed-off-by: Haomai Wang <haomaiwang@gmail.com>

diff --git a/src/os/FileStore.h b/src/os/FileStore.h
index 0913d7283951acd24a0dfb68b623768bf9e8d5b9..ca3def0d3afae2964f59e90acf0a130d961032c2 100644 (file)
--- a/src/os/FileStore.h
+++ b/src/os/FileStore.h
@@ -83,7 +83,8 @@ WRITE_CLASS_ENCODER(FSSuperblock)
 
 inline ostream& operator<<(ostream& out, const FSSuperblock& sb)
 {
-  return out << "sb(" << sb.compat_features << ")";
+  return out << "sb(" << sb.compat_features << "): "
+             << sb.omap_backend;
 }
 
 class FileStore : public JournalingObjectStore,