configfs: register_filesystem() called too early

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/configfs/inode.c b/fs/configfs/inode.c
index ca418aa..9d8715c 100644
--- a/fs/configfs/inode.c
+++ b/fs/configfs/inode.c
@@ -292,7 +292,7 @@
 	return bdi_init(&configfs_backing_dev_info);
 }
 
-void __exit configfs_inode_exit(void)
+void configfs_inode_exit(void)
 {
 	bdi_destroy(&configfs_backing_dev_info);
 }