From b027a1039f8cb71c86e7fc246f25c64c373e2f81 Mon Sep 17 00:00:00 2001
From: Joe Thornber <ejt@redhat.com>
Date: Wed, 17 Apr 2019 12:15:46 +0100
Subject: [PATCH] [thin-provisioning] Add a new constructor for the metadata
 class

This one takes a superblock.  Used when repairing.
---
 thin-provisioning/metadata.cc | 7 +++++++
 thin-provisioning/metadata.h  | 3 +++
 2 files changed, 10 insertions(+)

diff --git a/thin-provisioning/metadata.cc b/thin-provisioning/metadata.cc
index 7f91b51..fa26cfa 100644
--- a/thin-provisioning/metadata.cc
+++ b/thin-provisioning/metadata.cc
@@ -134,6 +134,13 @@ metadata::metadata(block_manager<>::ptr bm,
 	open_btrees();
 }
 
+metadata::metadata(block_manager<>::ptr bm, superblock_detail::superblock const &sb)
+{
+	tm_ = open_tm(bm, SUPERBLOCK_LOCATION);
+	sb_ = sb;
+	open_btrees();
+}
+
 void
 metadata::commit()
 {
diff --git a/thin-provisioning/metadata.h b/thin-provisioning/metadata.h
index 0af2e38..bafd933 100644
--- a/thin-provisioning/metadata.h
+++ b/thin-provisioning/metadata.h
@@ -78,6 +78,9 @@ namespace thin_provisioning {
 		metadata(block_manager<>::ptr,
 			 boost::optional<block_address> metadata_snap); // (ii) and (iii)
 
+		// This is used by repair, when we rebuild the superblock
+		metadata(block_manager<>::ptr bm, superblock_detail::superblock const &sb);
+
 		void commit();