146 				 Indirect chain[4], int *err)  in ext4_get_branch()
149 	Indirect *p = chain;  in ext4_get_branch()
156 	add_chain(chain, NULL, EXT4_I(inode)->i_data + *offsets);  in ext4_get_branch()
537 	Indirect chain[4];  in ext4_ind_map_blocks()  local
554 	partial = ext4_get_branch(inode, depth, offsets, chain, &err);  in ext4_ind_map_blocks()
558 		first_block = le32_to_cpu(chain[depth - 1].key);  in ext4_ind_map_blocks()
564 			blk = le32_to_cpu(*(chain[depth-1].p + count));  in ext4_ind_map_blocks()
586 		for (i = partial - chain + 1; i < depth; i++)  in ext4_ind_map_blocks()
623 	indirect_blks = (chain + depth) - partial - 1;  in ext4_ind_map_blocks()
636 				offsets + (partial - chain), partial);  in ext4_ind_map_blocks()
657 	map->m_pblk = le32_to_cpu(chain[depth-1].key);  in ext4_ind_map_blocks()
663 	partial = chain + depth - 1;	/* the whole chain */  in ext4_ind_map_blocks()
665 	while (partial > chain) {  in ext4_ind_map_blocks()
798 				  ext4_lblk_t offsets[4], Indirect chain[4],  in ext4_find_shared()
808 	partial = ext4_get_branch(inode, k, offsets, chain, &err);  in ext4_find_shared()
811 		partial = chain + k-1;  in ext4_find_shared()
819 	for (p = partial; (p > chain) && all_zeroes((__le32 *) p->bh->b_data, p->p); p--)  in ext4_find_shared()
827 	if (p == chain + k - 1 && p > chain) {  in ext4_find_shared()
1118 	Indirect chain[4];  in ext4_ind_truncate()  local
1159 	partial = ext4_find_shared(inode, n, offsets, chain, &nr);  in ext4_ind_truncate()
1162 		if (partial == chain) {  in ext4_ind_truncate()
1165 					   &nr, &nr+1, (chain+n-1) - partial);  in ext4_ind_truncate()
1176 					partial->p+1, (chain+n-1) - partial);  in ext4_ind_truncate()
1180 	while (partial > chain) {  in ext4_ind_truncate()
1183 				   (chain+n-1) - partial);  in ext4_ind_truncate()
1234 	Indirect chain[4], chain2[4];  in ext4_ind_remove_space()  local
1278 		partial = p = ext4_find_shared(inode, n, offsets, chain, &nr);  in ext4_ind_remove_space()
1280 			if (partial == chain) {  in ext4_ind_remove_space()
1283 					   &nr, &nr+1, (chain+n-1) - partial);  in ext4_ind_remove_space()
1290 					partial->p+1, (chain+n-1) - partial);  in ext4_ind_remove_space()
1298 		while (partial > chain) {  in ext4_ind_remove_space()
1302 				(chain+n-1) - partial);  in ext4_ind_remove_space()
1343 	partial = p = ext4_find_shared(inode, n, offsets, chain, &nr);  in ext4_ind_remove_space()
1348 		int level = min(partial - chain, partial2 - chain2);  in ext4_ind_remove_space()
1360 			if (partial == chain) {  in ext4_ind_remove_space()
1364 						   (chain+n-1) - partial);  in ext4_ind_remove_space()
1372 						   (chain+n-1) - partial);  in ext4_ind_remove_space()
1387 	while (partial > chain || partial2 > chain2) {  in ext4_ind_remove_space()
1388 		int depth = (chain+n-1) - partial;  in ext4_ind_remove_space()
1391 		if (partial > chain && partial2 > chain2 &&  in ext4_ind_remove_space()
1400 					   (chain+n-1) - partial);  in ext4_ind_remove_space()
1411 		if (partial > chain && depth <= depth2) {  in ext4_ind_remove_space()
1415 					   (chain+n-1) - partial);  in ext4_ind_remove_space()
1428 	while (p && p > chain) {  in ext4_ind_remove_space()