240 static int build_logical_block_map(struct ssfdcr_record *ssfdc)  in build_logical_block_map()  argument
245 	struct mtd_info *mtd = ssfdc->mbd.mtd;  in build_logical_block_map()
248 	      ssfdc->map_len,  in build_logical_block_map()
249 	      (unsigned long)ssfdc->map_len * ssfdc->erase_size / 1024);  in build_logical_block_map()
252 	for (phys_block = ssfdc->cis_block + 1; phys_block < ssfdc->map_len;  in build_logical_block_map()
254 		offset = (unsigned long)phys_block * ssfdc->erase_size;  in build_logical_block_map()
273 			ssfdc->logic_block_map[block_address] =  in build_logical_block_map()
286 	struct ssfdcr_record *ssfdc;  in ssfdcr_add_mtd()  local
299 	ssfdc = kzalloc(sizeof(struct ssfdcr_record), GFP_KERNEL);  in ssfdcr_add_mtd()
300 	if (!ssfdc)  in ssfdcr_add_mtd()
303 	ssfdc->mbd.mtd = mtd;  in ssfdcr_add_mtd()
304 	ssfdc->mbd.devnum = -1;  in ssfdcr_add_mtd()
305 	ssfdc->mbd.tr = tr;  in ssfdcr_add_mtd()
306 	ssfdc->mbd.readonly = 1;  in ssfdcr_add_mtd()
308 	ssfdc->cis_block = cis_sector / (mtd->erasesize >> SECTOR_SHIFT);  in ssfdcr_add_mtd()
309 	ssfdc->erase_size = mtd->erasesize;  in ssfdcr_add_mtd()
310 	ssfdc->map_len = (u32)mtd->size / mtd->erasesize;  in ssfdcr_add_mtd()
313 		ssfdc->cis_block, ssfdc->erase_size, ssfdc->map_len,  in ssfdcr_add_mtd()
314 		DIV_ROUND_UP(ssfdc->map_len, MAX_PHYS_BLK_PER_ZONE));  in ssfdcr_add_mtd()
317 	ssfdc->heads = 16;  in ssfdcr_add_mtd()
318 	ssfdc->sectors = 32;  in ssfdcr_add_mtd()
319 	get_chs(mtd->size, NULL, &ssfdc->heads, &ssfdc->sectors);  in ssfdcr_add_mtd()
320 	ssfdc->cylinders = (unsigned short)(((u32)mtd->size >> SECTOR_SHIFT) /  in ssfdcr_add_mtd()
321 			((long)ssfdc->sectors * (long)ssfdc->heads));  in ssfdcr_add_mtd()
324 		ssfdc->cylinders, ssfdc->heads , ssfdc->sectors,  in ssfdcr_add_mtd()
325 		(long)ssfdc->cylinders * (long)ssfdc->heads *  in ssfdcr_add_mtd()
326 		(long)ssfdc->sectors);  in ssfdcr_add_mtd()
328 	ssfdc->mbd.size = (long)ssfdc->heads * (long)ssfdc->cylinders *  in ssfdcr_add_mtd()
329 				(long)ssfdc->sectors;  in ssfdcr_add_mtd()
332 	ssfdc->logic_block_map =  in ssfdcr_add_mtd()
333 		kmalloc_array(ssfdc->map_len,  in ssfdcr_add_mtd()
334 			      sizeof(ssfdc->logic_block_map[0]), GFP_KERNEL);  in ssfdcr_add_mtd()
335 	if (!ssfdc->logic_block_map)  in ssfdcr_add_mtd()
337 	memset(ssfdc->logic_block_map, 0xff, sizeof(ssfdc->logic_block_map[0]) *  in ssfdcr_add_mtd()
338 		ssfdc->map_len);  in ssfdcr_add_mtd()
341 	if (build_logical_block_map(ssfdc) < 0)  in ssfdcr_add_mtd()
345 	if (add_mtd_blktrans_dev(&ssfdc->mbd))  in ssfdcr_add_mtd()
349 		ssfdc->mbd.devnum + 'a', mtd->index, mtd->name);  in ssfdcr_add_mtd()
353 	kfree(ssfdc->logic_block_map);  in ssfdcr_add_mtd()
354         kfree(ssfdc);  in ssfdcr_add_mtd()
359 	struct ssfdcr_record *ssfdc = (struct ssfdcr_record *)dev;  in ssfdcr_remove_dev()  local
364 	kfree(ssfdc->logic_block_map);  in ssfdcr_remove_dev()
370 	struct ssfdcr_record *ssfdc = (struct ssfdcr_record *)dev;  in ssfdcr_readsect()  local
373 	sectors_per_block = ssfdc->erase_size >> SECTOR_SHIFT;  in ssfdcr_readsect()
381 	BUG_ON(block_address >= ssfdc->map_len);  in ssfdcr_readsect()
383 	block_address = ssfdc->logic_block_map[block_address];  in ssfdcr_readsect()
397 		if (read_physical_sector(ssfdc->mbd.mtd, buf, sect_no) < 0)  in ssfdcr_readsect()
408 	struct ssfdcr_record *ssfdc = (struct ssfdcr_record *)dev;  in ssfdcr_getgeo()  local
411 			ssfdc->cylinders, ssfdc->heads, ssfdc->sectors);  in ssfdcr_getgeo()
413 	geo->heads = ssfdc->heads;  in ssfdcr_getgeo()
414 	geo->sectors = ssfdc->sectors;  in ssfdcr_getgeo()
415 	geo->cylinders = ssfdc->cylinders;  in ssfdcr_getgeo()