125 	node->hdr.info.back = 0;  in xfs_da_node_create()
266 		node->hdr.info.back = cpu_to_be32(oldblk->blkno);  in xfs_da_split()
272 	if (node->hdr.info.back) {  in xfs_da_split()
273 		if (be32_to_cpu(node->hdr.info.back) == addblk->blkno) {  in xfs_da_split()
725 	ASSERT(!oldroot->hdr.info.back);  in xfs_da_root_join()
752 	ASSERT(!blkinfo->back);  in xfs_da_root_join()
826 	forward = (be32_to_cpu(info->forw) < be32_to_cpu(info->back));  in xfs_da_node_toosmall()
831 			blkno = be32_to_cpu(info->back);  in xfs_da_node_toosmall()
1233 		new_info->back = old_info->back;  in xfs_da_blk_link()
1234 		if (old_info->back) {  in xfs_da_blk_link()
1236 						be32_to_cpu(old_info->back),  in xfs_da_blk_link()
1248 		old_info->back = cpu_to_be32(new_blk->blkno);  in xfs_da_blk_link()
1254 		new_info->back = cpu_to_be32(old_blk->blkno);  in xfs_da_blk_link()
1264 			ASSERT(be32_to_cpu(tmp_info->back) == old_blk->blkno);  in xfs_da_blk_link()
1265 			tmp_info->back = cpu_to_be32(new_blk->blkno);  in xfs_da_blk_link()
1342 	       (be32_to_cpu(save_info->back) == drop_blk->blkno));  in xfs_da_blk_unlink()
1344 	       (be32_to_cpu(drop_info->back) == save_blk->blkno));  in xfs_da_blk_unlink()
1349 	if (be32_to_cpu(save_info->back) == drop_blk->blkno) {  in xfs_da_blk_unlink()
1350 		save_info->back = drop_info->back;  in xfs_da_blk_unlink()
1351 		if (drop_info->back) {  in xfs_da_blk_unlink()
1353 						be32_to_cpu(drop_info->back),  in xfs_da_blk_unlink()
1377 			ASSERT(be32_to_cpu(tmp_info->back) == drop_blk->blkno);  in xfs_da_blk_unlink()
1378 			tmp_info->back = cpu_to_be32(save_blk->blkno);  in xfs_da_blk_unlink()
1728 	if ((sib_blkno = be32_to_cpu(dead_info->back))) {  in xfs_da_swap_lastblock()
1755 		       be32_to_cpu(sib_info->back) != last_blkno ||  in xfs_da_swap_lastblock()
1762 		sib_info->back = cpu_to_be32(dead_blkno);  in xfs_da_swap_lastblock()
1764 			XFS_DA_LOGRANGE(sib_info, &sib_info->back,  in xfs_da_swap_lastblock()
1765 					sizeof(sib_info->back)));  in xfs_da_swap_lastblock()