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-rw-r--r--volumes.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/volumes.h b/volumes.h
index 447dd4b8..221ef34f 100644
--- a/volumes.h
+++ b/volumes.h
@@ -39,6 +39,8 @@ struct btrfs_device {
u64 total_devs;
u64 super_bytes_used;
+ u64 generation;
+
/* the internal btrfs device id */
u64 devid;