diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 44f52d2..dd52146 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1209,6 +1209,7 @@
 	atomic_set(&root->orphan_inodes, 0);
 	atomic_set(&root->refs, 1);
 	root->log_transid = 0;
+	root->log_transid_committed = -1;
 	root->last_log_commit = 0;
 	if (fs_info)
 		extent_io_tree_init(&root->dirty_log_pages,
@@ -1422,6 +1423,7 @@
 	WARN_ON(root->log_root);
 	root->log_root = log_root;
 	root->log_transid = 0;
+	root->log_transid_committed = -1;
 	root->last_log_commit = 0;
 	return 0;
 }