Btrfs: initial move to kernel module land

Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c
index 24cfd6d..8e1e5b4 100644
--- a/fs/btrfs/file-item.c
+++ b/fs/btrfs/file-item.c
@@ -1,9 +1,5 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include "kerncompat.h"
-#include "radix-tree.h"
+#include <linux/module.h>
 #include "ctree.h"
-#include "disk-io.h"
 #include "transaction.h"
 
 int btrfs_create_file(struct btrfs_trans_handle *trans,