1163 	struct scatterlist *dsg = cmd->t_data_sg, *psg;  in sbc_dif_generate()  local
1171 		daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;  in sbc_dif_generate()
1178 			if (offset >= dsg->length) {  in sbc_dif_generate()
1179 				offset -= dsg->length;  in sbc_dif_generate()
1180 				kunmap_atomic(daddr - dsg->offset);  in sbc_dif_generate()
1181 				dsg = sg_next(dsg);  in sbc_dif_generate()
1182 				if (!dsg) {  in sbc_dif_generate()
1186 				daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;  in sbc_dif_generate()
1190 			avail = min(block_size, dsg->length - offset);  in sbc_dif_generate()
1193 				kunmap_atomic(daddr - dsg->offset);  in sbc_dif_generate()
1194 				dsg = sg_next(dsg);  in sbc_dif_generate()
1195 				if (!dsg) {  in sbc_dif_generate()
1199 				daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;  in sbc_dif_generate()
1221 		kunmap_atomic(daddr - dsg->offset);  in sbc_dif_generate()
1318 	struct scatterlist *dsg = cmd->t_data_sg;  in sbc_dif_verify()  local
1328 		daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;  in sbc_dif_verify()
1336 			if (dsg_off >= dsg->length) {  in sbc_dif_verify()
1337 				dsg_off -= dsg->length;  in sbc_dif_verify()
1338 				kunmap_atomic(daddr - dsg->offset);  in sbc_dif_verify()
1339 				dsg = sg_next(dsg);  in sbc_dif_verify()
1340 				if (!dsg) {  in sbc_dif_verify()
1344 				daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;  in sbc_dif_verify()
1359 			avail = min(block_size, dsg->length - dsg_off);  in sbc_dif_verify()
1362 				kunmap_atomic(daddr - dsg->offset);  in sbc_dif_verify()
1363 				dsg = sg_next(dsg);  in sbc_dif_verify()
1364 				if (!dsg) {  in sbc_dif_verify()
1368 				daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;  in sbc_dif_verify()
1377 				kunmap_atomic(daddr - dsg->offset);  in sbc_dif_verify()
1388 		kunmap_atomic(daddr - dsg->offset);  in sbc_dif_verify()