From 99f55abc56bf1ce6b6f0e7d9cae67e347ace16b2 Mon Sep 17 00:00:00 2001
From: "Bryn M. Reeves" <bmr@redhat.com>
Date: Fri, 7 Aug 2015 13:09:56 +0100
Subject: [PATCH] libdm: add dm_timestamp_copy()

---
 libdm/.exported_symbols.DM_1_02_104 | 1 +
 libdm/libdevmapper.h                | 5 +++++
 libdm/libdm-timestamp.c             | 5 +++++
 3 files changed, 11 insertions(+)

diff --git a/libdm/.exported_symbols.DM_1_02_104 b/libdm/.exported_symbols.DM_1_02_104
index 712fcf2d5..411ab2a96 100644
--- a/libdm/.exported_symbols.DM_1_02_104
+++ b/libdm/.exported_symbols.DM_1_02_104
@@ -72,6 +72,7 @@ dm_task_get_ioctl_timestamp
 dm_task_set_record_timestamp
 dm_timestamp_alloc
 dm_timestamp_compare
+dm_timestamp_copy
 dm_timestamp_delta
 dm_timestamp_destroy
 dm_timestamp_get
diff --git a/libdm/libdevmapper.h b/libdm/libdevmapper.h
index 18df90a33..192fd0f87 100644
--- a/libdm/libdevmapper.h
+++ b/libdm/libdevmapper.h
@@ -2182,6 +2182,11 @@ struct dm_timestamp *dm_timestamp_alloc(void);
  */
 int dm_timestamp_get(struct dm_timestamp *ts);
 
+/*
+ * Copy a timestamp from ts_old to ts_new.
+ */
+void dm_timestamp_copy(struct dm_timestamp *ts_new, struct dm_timestamp *ts_old);
+
 /*
  * Compare two timestamps.
  *
diff --git a/libdm/libdm-timestamp.c b/libdm/libdm-timestamp.c
index fe006d58f..3e01442ef 100644
--- a/libdm/libdm-timestamp.c
+++ b/libdm/libdm-timestamp.c
@@ -168,6 +168,11 @@ uint64_t dm_timestamp_delta(struct dm_timestamp *ts1, struct dm_timestamp *ts2)
 	return t2 - t1;
 }
 
+void dm_timestamp_copy(struct dm_timestamp *ts_new, struct dm_timestamp *ts_old)
+{
+	*ts_new = *ts_old;
+}
+
 void dm_timestamp_destroy(struct dm_timestamp *ts)
 {
 	dm_free(ts);