212 	struct buffer_head *obh, *nbh;  in nilfs_btnode_prepare_change_key()  local
255 	nbh = nilfs_btnode_create_block(btnc, newkey);  in nilfs_btnode_prepare_change_key()
256 	if (IS_ERR(nbh))  in nilfs_btnode_prepare_change_key()
257 		return PTR_ERR(nbh);  in nilfs_btnode_prepare_change_key()
259 	BUG_ON(nbh == obh);  in nilfs_btnode_prepare_change_key()
260 	ctxt->newbh = nbh;  in nilfs_btnode_prepare_change_key()
288 	struct buffer_head *obh = ctxt->bh, *nbh = ctxt->newbh;  in nilfs_btnode_commit_change_key()  local
295 	if (nbh == NULL) {	/* blocksize == pagesize */  in nilfs_btnode_commit_change_key()
312 		nilfs_copy_buffer(nbh, obh);  in nilfs_btnode_commit_change_key()
313 		mark_buffer_dirty(nbh);  in nilfs_btnode_commit_change_key()
315 		nbh->b_blocknr = newkey;  in nilfs_btnode_commit_change_key()
316 		ctxt->bh = nbh;  in nilfs_btnode_commit_change_key()
339 	struct buffer_head *nbh = ctxt->newbh;  in nilfs_btnode_abort_change_key()  local
345 	if (nbh == NULL) {	/* blocksize == pagesize */  in nilfs_btnode_abort_change_key()
356 		nilfs_btnode_delete(nbh);  in nilfs_btnode_abort_change_key()