struct btrfs_path *btrfs_alloc_path(void)
{
	struct btrfs_path *path;
	path = kmem_cache_zalloc(btrfs_path_cachep, GFP_NOFS);
	return path;
}
struct btrfs_path *btrfs_alloc_path(void)
{
	struct btrfs_path *path;
	path = kmem_cache_zalloc(btrfs_path_cachep, GFP_NOFS);
	return path;
}