512 		node->hdr.info.back = cpu_to_be32(oldblk->blkno);  in xfs_da3_split()
518 	if (node->hdr.info.back) {  in xfs_da3_split()
519 		if (be32_to_cpu(node->hdr.info.back) != addblk->blkno) {  in xfs_da3_split()
1067 	ASSERT(!blkinfo->back);  in xfs_da_blkinfo_onlychild_validate()
1099 	ASSERT(oldroothdr.back == 0);  in xfs_da3_root_join()
1220 	forward = nodehdr.forw < nodehdr.back;  in xfs_da3_node_toosmall()
1226 			blkno = nodehdr.back;  in xfs_da3_node_toosmall()
1757 		new_info->back = old_info->back;  in xfs_da3_blk_link()
1758 		if (old_info->back) {  in xfs_da3_blk_link()
1760 						be32_to_cpu(old_info->back),  in xfs_da3_blk_link()
1771 		old_info->back = cpu_to_be32(new_blk->blkno);  in xfs_da3_blk_link()
1778 		new_info->back = cpu_to_be32(old_blk->blkno);  in xfs_da3_blk_link()
1788 			ASSERT(be32_to_cpu(tmp_info->back) == old_blk->blkno);  in xfs_da3_blk_link()
1789 			tmp_info->back = cpu_to_be32(new_blk->blkno);  in xfs_da3_blk_link()
1828 	       (be32_to_cpu(save_info->back) == drop_blk->blkno));  in xfs_da3_blk_unlink()
1830 	       (be32_to_cpu(drop_info->back) == save_blk->blkno));  in xfs_da3_blk_unlink()
1835 	if (be32_to_cpu(save_info->back) == drop_blk->blkno) {  in xfs_da3_blk_unlink()
1837 		save_info->back = drop_info->back;  in xfs_da3_blk_unlink()
1838 		if (drop_info->back) {  in xfs_da3_blk_unlink()
1840 						be32_to_cpu(drop_info->back),  in xfs_da3_blk_unlink()
1864 			ASSERT(be32_to_cpu(tmp_info->back) == drop_blk->blkno);  in xfs_da3_blk_unlink()
1865 			tmp_info->back = cpu_to_be32(save_blk->blkno);  in xfs_da3_blk_unlink()
2272 	if ((sib_blkno = be32_to_cpu(dead_info->back))) {  in xfs_da3_swap_lastblock()
2300 		       be32_to_cpu(sib_info->back) != last_blkno ||  in xfs_da3_swap_lastblock()
2307 		sib_info->back = cpu_to_be32(dead_blkno);  in xfs_da3_swap_lastblock()
2309 			XFS_DA_LOGRANGE(sib_info, &sib_info->back,  in xfs_da3_swap_lastblock()
2310 					sizeof(sib_info->back)));  in xfs_da3_swap_lastblock()