137 static int msb_get_zone_from_lba(int lba)  in msb_get_zone_from_lba()  argument
139 	if (lba < 494)  in msb_get_zone_from_lba()
141 	return ((lba - 494) / 496) + 1;  in msb_get_zone_from_lba()
1001 			u16 pba, u32 lba, struct scatterlist *sg, int offset)  in msb_write_block()  argument
1015 	if (pba >= msb->block_count || lba >= msb->logical_block_count) {  in msb_write_block()
1021 	if (msb_get_zone_from_lba(lba) != msb_get_zone_from_pba(pba)) {  in msb_write_block()
1043 		msb->regs.extra_data.logical_address = cpu_to_be16(lba);  in msb_write_block()
1115 static int msb_update_block(struct msb_data *msb, u16 lba,  in msb_update_block()  argument
1121 	pba = msb->lba_to_pba_table[lba];  in msb_update_block()
1122 	dbg_verbose("start of a block update at lba  %d, pba %d", lba, pba);  in msb_update_block()
1132 			msb_get_zone_from_lba(lba));  in msb_update_block()
1141 		error = msb_write_block(msb, new_pba, lba, sg, offset);  in msb_update_block()
1152 		msb->lba_to_pba_table[lba] = new_pba;  in msb_update_block()
1369 	u16 pba, lba, other_block;  in msb_ftl_scan()  local
1411 		lba = be16_to_cpu(extra.logical_address);  in msb_ftl_scan()
1441 		if (lba == MS_BLOCK_INVALID) {  in msb_ftl_scan()
1449 		if (msb_get_zone_from_lba(lba) != msb_get_zone_from_pba(pba)) {  in msb_ftl_scan()
1451 								pba, lba);  in msb_ftl_scan()
1457 		if (msb->lba_to_pba_table[lba] == MS_BLOCK_INVALID) {  in msb_ftl_scan()
1458 			dbg_verbose("pba %05d -> [lba %05d]", pba, lba);  in msb_ftl_scan()
1459 			msb->lba_to_pba_table[lba] = pba;  in msb_ftl_scan()
1463 		other_block = msb->lba_to_pba_table[lba];  in msb_ftl_scan()
1472 			msb->lba_to_pba_table[lba] = pba;  in msb_ftl_scan()
1487 		msb->lba_to_pba_table[lba] = pba;  in msb_ftl_scan()
1534 	u16 pba, lba;  in msb_cache_flush()  local
1542 	lba = msb->cache_block_lba;  in msb_cache_flush()
1543 	pba = msb->lba_to_pba_table[lba];  in msb_cache_flush()
1559 			page, lba);  in msb_cache_flush()
1602 static int msb_cache_write(struct msb_data *msb, int lba,  in msb_cache_write()  argument
1612 						lba != msb->cache_block_lba)  in msb_cache_write()
1618 						lba != msb->cache_block_lba) {  in msb_cache_write()
1626 		msb->cache_block_lba  = lba;  in msb_cache_write()
1631 	dbg_verbose("Write of LBA %d page %d to cache ", lba, page);  in msb_cache_write()
1643 static int msb_cache_read(struct msb_data *msb, int lba,  in msb_cache_read()  argument
1646 	int pba = msb->lba_to_pba_table[lba];  in msb_cache_read()
1650 	if (lba == msb->cache_block_lba &&  in msb_cache_read()
1654 							lba, pba, page);  in msb_cache_read()
1664 							lba, pba, page);  in msb_cache_read()
1670 		msb_cache_write(msb, lba, page, true, sg, offset);  in msb_cache_read()
1805 static int msb_do_write_request(struct msb_data *msb, int lba,  in msb_do_write_request()  argument
1815 			if (msb->cache_block_lba == lba)  in msb_do_write_request()
1818 			dbg_verbose("Writing whole lba %d", lba);  in msb_do_write_request()
1819 			error = msb_update_block(msb, lba, sg, offset);  in msb_do_write_request()
1825 			lba++;  in msb_do_write_request()
1829 		error = msb_cache_write(msb, lba, page, false, sg, offset);  in msb_do_write_request()
1839 			lba++;  in msb_do_write_request()
1845 static int msb_do_read_request(struct msb_data *msb, int lba,  in msb_do_read_request()  argument
1854 		error = msb_cache_read(msb, lba, page, sg, offset);  in msb_do_read_request()
1864 			lba++;  in msb_do_read_request()
1874 	sector_t lba;  in msb_io_work()  local
1909 		lba = blk_rq_pos(msb->req);  in msb_io_work()
1911 		sector_div(lba, msb->page_size / 512);  in msb_io_work()
1912 		page = do_div(lba, msb->pages_in_block);  in msb_io_work()
1915 			error = msb_do_read_request(msb, lba, page, sg,  in msb_io_work()
1918 			error = msb_do_write_request(msb, lba, page, sg,  in msb_io_work()