133 static int msb_get_zone_from_lba(int lba)  in msb_get_zone_from_lba()  argument
135 	if (lba < 494)  in msb_get_zone_from_lba()
137 	return ((lba - 494) / 496) + 1;  in msb_get_zone_from_lba()
997 			u16 pba, u32 lba, struct scatterlist *sg, int offset)  in msb_write_block()  argument
1011 	if (pba >= msb->block_count || lba >= msb->logical_block_count) {  in msb_write_block()
1017 	if (msb_get_zone_from_lba(lba) != msb_get_zone_from_pba(pba)) {  in msb_write_block()
1039 		msb->regs.extra_data.logical_address = cpu_to_be16(lba);  in msb_write_block()
1111 static int msb_update_block(struct msb_data *msb, u16 lba,  in msb_update_block()  argument
1117 	pba = msb->lba_to_pba_table[lba];  in msb_update_block()
1118 	dbg_verbose("start of a block update at lba  %d, pba %d", lba, pba);  in msb_update_block()
1128 			msb_get_zone_from_lba(lba));  in msb_update_block()
1137 		error = msb_write_block(msb, new_pba, lba, sg, offset);  in msb_update_block()
1148 		msb->lba_to_pba_table[lba] = new_pba;  in msb_update_block()
1367 	u16 pba, lba, other_block;  in msb_ftl_scan()  local
1409 		lba = be16_to_cpu(extra.logical_address);  in msb_ftl_scan()
1439 		if (lba == MS_BLOCK_INVALID) {  in msb_ftl_scan()
1447 		if (msb_get_zone_from_lba(lba) != msb_get_zone_from_pba(pba)) {  in msb_ftl_scan()
1449 								pba, lba);  in msb_ftl_scan()
1455 		if (msb->lba_to_pba_table[lba] == MS_BLOCK_INVALID) {  in msb_ftl_scan()
1456 			dbg_verbose("pba %05d -> [lba %05d]", pba, lba);  in msb_ftl_scan()
1457 			msb->lba_to_pba_table[lba] = pba;  in msb_ftl_scan()
1461 		other_block = msb->lba_to_pba_table[lba];  in msb_ftl_scan()
1470 			msb->lba_to_pba_table[lba] = pba;  in msb_ftl_scan()
1485 		msb->lba_to_pba_table[lba] = pba;  in msb_ftl_scan()
1531 	u16 pba, lba;  in msb_cache_flush()  local
1539 	lba = msb->cache_block_lba;  in msb_cache_flush()
1540 	pba = msb->lba_to_pba_table[lba];  in msb_cache_flush()
1556 			page, lba);  in msb_cache_flush()
1599 static int msb_cache_write(struct msb_data *msb, int lba,  in msb_cache_write()  argument
1609 						lba != msb->cache_block_lba)  in msb_cache_write()
1615 						lba != msb->cache_block_lba) {  in msb_cache_write()
1623 		msb->cache_block_lba  = lba;  in msb_cache_write()
1628 	dbg_verbose("Write of LBA %d page %d to cache ", lba, page);  in msb_cache_write()
1640 static int msb_cache_read(struct msb_data *msb, int lba,  in msb_cache_read()  argument
1643 	int pba = msb->lba_to_pba_table[lba];  in msb_cache_read()
1647 	if (lba == msb->cache_block_lba &&  in msb_cache_read()
1651 							lba, pba, page);  in msb_cache_read()
1661 							lba, pba, page);  in msb_cache_read()
1667 		msb_cache_write(msb, lba, page, true, sg, offset);  in msb_cache_read()
1802 static int msb_do_write_request(struct msb_data *msb, int lba,  in msb_do_write_request()  argument
1812 			if (msb->cache_block_lba == lba)  in msb_do_write_request()
1815 			dbg_verbose("Writing whole lba %d", lba);  in msb_do_write_request()
1816 			error = msb_update_block(msb, lba, sg, offset);  in msb_do_write_request()
1822 			lba++;  in msb_do_write_request()
1826 		error = msb_cache_write(msb, lba, page, false, sg, offset);  in msb_do_write_request()
1836 			lba++;  in msb_do_write_request()
1842 static int msb_do_read_request(struct msb_data *msb, int lba,  in msb_do_read_request()  argument
1851 		error = msb_cache_read(msb, lba, page, sg, offset);  in msb_do_read_request()
1861 			lba++;  in msb_do_read_request()
1871 	sector_t lba;  in msb_io_work()  local
1900 		lba = blk_rq_pos(req);  in msb_io_work()
1902 		sector_div(lba, msb->page_size / 512);  in msb_io_work()
1903 		page = sector_div(lba, msb->pages_in_block);  in msb_io_work()
1906 			error = msb_do_read_request(msb, lba, page, sg,  in msb_io_work()
1909 			error = msb_do_write_request(msb, lba, page, sg,  in msb_io_work()