btrfs: Move leaf and node validation checker to tree-checker.c

It's no doubt the comprehensive tree block checker will become larger,
so moving them into their own files is quite reasonable.

Signed-off-by: Qu Wenruo <quwenruo.btrfs@gmx.com>
[ wording adjustments ]
Signed-off-by: David Sterba <dsterba@suse.com>

1 files changed, 26 insertions, 0 deletions

diff --git a/fs/btrfs/tree-checker.h b/fs/btrfs/tree-checker.h
new file mode 100644
index 000000000000..96c486e95d70
--- /dev/null
+++ b/fs/btrfs/tree-checker.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) Qu Wenruo 2017.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License v2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program.
+ */
+
+#ifndef __BTRFS_TREE_CHECKER__
+#define __BTRFS_TREE_CHECKER__
+
+#include "ctree.h"
+#include "extent_io.h"
+
+int btrfs_check_leaf(struct btrfs_root *root, struct extent_buffer *leaf);
+int btrfs_check_node(struct btrfs_root *root, struct extent_buffer *node);
+
+#endif