btrfs: get fs_info from eb in btrfs_print_tree, remove argument

Signed-off-by: NDavid Sterba <dsterba@suse.com>

fs/btrfs/print-tree.c

@@ -320,14 +320,16 @@ void btrfs_print_leaf(struct extent_buffer *l)
 	}
 }
 
-void btrfs_print_tree(struct btrfs_fs_info *fs_info, struct extent_buffer *c)
+void btrfs_print_tree(struct extent_buffer *c)
 {
+	struct btrfs_fs_info *fs_info;
 	int i; u32 nr;
 	struct btrfs_key key;
 	int level;
 
 	if (!c)
 		return;
+	fs_info = c->fs_info;
 	nr = btrfs_header_nritems(c);
 	level = btrfs_header_level(c);
 	if (level == 0) {
@@ -361,7 +363,7 @@ void btrfs_print_tree(struct btrfs_fs_info *fs_info, struct extent_buffer *c)
 		if (btrfs_header_level(next) !=
 		       level - 1)
 			BUG();
-		btrfs_print_tree(fs_info, next);
+		btrfs_print_tree(next);
 		free_extent_buffer(next);
 	}
 }

fs/btrfs/print-tree.h

@@ -19,5 +19,5 @@
 #ifndef __PRINT_TREE_
 #define __PRINT_TREE_
 void btrfs_print_leaf(struct extent_buffer *l);
-void btrfs_print_tree(struct btrfs_fs_info *fs_info, struct extent_buffer *c);
+void btrfs_print_tree(struct extent_buffer *c);
 #endif