static void fuse_fs_cleanup(void)
{
	unregister_filesystem(&fuse_fs_type);
	unregister_fuseblk();

	/*
	 * Make sure all delayed rcu free inodes are flushed before we
	 * destroy cache.
	 */
	rcu_barrier();
	kmem_cache_destroy(fuse_inode_cachep);
}
static void fuse_fs_cleanup(void)
{
	unregister_filesystem(&fuse_fs_type);
	unregister_fuseblk();

	 
	rcu_barrier();
	kmem_cache_destroy(fuse_inode_cachep);
}