bdev: switch to ->free_inode()

	return &ei->vfs_inode;

}

static void bdev_i_callback(struct rcu_head *head)

static void bdev_free_inode(struct inode *inode)

{

	struct inode *inode = container_of(head, struct inode, i_rcu);

	struct bdev_inode *bdi = BDEV_I(inode);

	kmem_cache_free(bdev_cachep, bdi);

}

static void bdev_destroy_inode(struct inode *inode)

{

	call_rcu(&inode->i_rcu, bdev_i_callback);

	kmem_cache_free(bdev_cachep, BDEV_I(inode));

}

static void init_once(void *foo)

static const struct super_operations bdev_sops = {

	.statfs = simple_statfs,

	.alloc_inode = bdev_alloc_inode,

	.destroy_inode = bdev_destroy_inode,

	.free_inode = bdev_free_inode,

	.drop_inode = generic_delete_inode,

	.evict_inode = bdev_evict_inode,

};