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path: root/drivers/mtd/nftlmount.c
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Diffstat (limited to 'drivers/mtd/nftlmount.c')
-rw-r--r--drivers/mtd/nftlmount.c55
1 files changed, 24 insertions, 31 deletions
diff --git a/drivers/mtd/nftlmount.c b/drivers/mtd/nftlmount.c
index 0513cbc8834..51b9d6af307 100644
--- a/drivers/mtd/nftlmount.c
+++ b/drivers/mtd/nftlmount.c
@@ -2,9 +2,8 @@
* NFTL mount code with extensive checks
*
* Author: Fabrice Bellard (fabrice.bellard@netgem.com)
- * Copyright (C) 2000 Netgem S.A.
- *
- * $Id: nftlmount.c,v 1.41 2005/11/07 11:14:21 gleixner Exp $
+ * Copyright © 2000 Netgem S.A.
+ * Copyright © 1999-2010 David Woodhouse <dwmw2@infradead.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -31,16 +30,9 @@
#define SECTORSIZE 512
-char nftlmountrev[]="$Revision: 1.41 $";
-
-extern int nftl_read_oob(struct mtd_info *mtd, loff_t offs, size_t len,
- size_t *retlen, uint8_t *buf);
-extern int nftl_write_oob(struct mtd_info *mtd, loff_t offs, size_t len,
- size_t *retlen, uint8_t *buf);
-
/* find_boot_record: Find the NFTL Media Header and its Spare copy which contains the
* various device information of the NFTL partition and Bad Unit Table. Update
- * the ReplUnitTable[] table accroding to the Bad Unit Table. ReplUnitTable[]
+ * the ReplUnitTable[] table according to the Bad Unit Table. ReplUnitTable[]
* is used for management of Erase Unit in other routines in nftl.c and nftlmount.c
*/
static int find_boot_record(struct NFTLrecord *nftl)
@@ -60,7 +52,7 @@ static int find_boot_record(struct NFTLrecord *nftl)
the mtd device accordingly. We could even get rid of
nftl->EraseSize if there were any point in doing so. */
nftl->EraseSize = nftl->mbd.mtd->erasesize;
- nftl->nb_blocks = nftl->mbd.mtd->size / nftl->EraseSize;
+ nftl->nb_blocks = (u32)nftl->mbd.mtd->size / nftl->EraseSize;
nftl->MediaUnit = BLOCK_NIL;
nftl->SpareMediaUnit = BLOCK_NIL;
@@ -71,8 +63,8 @@ static int find_boot_record(struct NFTLrecord *nftl)
/* Check for ANAND header first. Then can whinge if it's found but later
checks fail */
- ret = mtd->read(mtd, block * nftl->EraseSize, SECTORSIZE,
- &retlen, buf);
+ ret = mtd_read(mtd, block * nftl->EraseSize, SECTORSIZE,
+ &retlen, buf);
/* We ignore ret in case the ECC of the MediaHeader is invalid
(which is apparently acceptable) */
if (retlen != SECTORSIZE) {
@@ -177,7 +169,7 @@ device is already correct.
printk(KERN_NOTICE "WARNING: Support for NFTL with UnitSizeFactor 0x%02x is experimental\n",
mh->UnitSizeFactor);
nftl->EraseSize = nftl->mbd.mtd->erasesize << (0xff - mh->UnitSizeFactor);
- nftl->nb_blocks = nftl->mbd.mtd->size / nftl->EraseSize;
+ nftl->nb_blocks = (u32)nftl->mbd.mtd->size / nftl->EraseSize;
}
#endif
nftl->nb_boot_blocks = le16_to_cpu(mh->FirstPhysicalEUN);
@@ -250,7 +242,8 @@ The new DiskOnChip driver already scanned the bad block table. Just query it.
if (buf[i & (SECTORSIZE - 1)] != 0xff)
nftl->ReplUnitTable[i] = BLOCK_RESERVED;
#endif
- if (nftl->mbd.mtd->block_isbad(nftl->mbd.mtd, i * nftl->EraseSize))
+ if (mtd_block_isbad(nftl->mbd.mtd,
+ i * nftl->EraseSize))
nftl->ReplUnitTable[i] = BLOCK_RESERVED;
}
@@ -282,7 +275,7 @@ static int check_free_sectors(struct NFTLrecord *nftl, unsigned int address, int
int i;
for (i = 0; i < len; i += SECTORSIZE) {
- if (mtd->read(mtd, address, SECTORSIZE, &retlen, buf))
+ if (mtd_read(mtd, address, SECTORSIZE, &retlen, buf))
return -1;
if (memcmpb(buf, 0xff, SECTORSIZE) != 0)
return -1;
@@ -305,7 +298,7 @@ static int check_free_sectors(struct NFTLrecord *nftl, unsigned int address, int
*
* Return: 0 when succeed, -1 on error.
*
- * ToDo: 1. Is it neceressary to check_free_sector after erasing ??
+ * ToDo: 1. Is it necessary to check_free_sector after erasing ??
*/
int NFTL_formatblock(struct NFTLrecord *nftl, int block)
{
@@ -334,7 +327,7 @@ int NFTL_formatblock(struct NFTLrecord *nftl, int block)
instr->mtd = nftl->mbd.mtd;
instr->addr = block * nftl->EraseSize;
instr->len = nftl->EraseSize;
- mtd->erase(mtd, instr);
+ mtd_erase(mtd, instr);
if (instr->state == MTD_ERASE_FAILED) {
printk("Error while formatting block %d\n", block);
@@ -345,7 +338,7 @@ int NFTL_formatblock(struct NFTLrecord *nftl, int block)
nb_erases = le32_to_cpu(uci.WearInfo);
nb_erases++;
- /* wrap (almost impossible with current flashs) or free block */
+ /* wrap (almost impossible with current flash) or free block */
if (nb_erases == 0)
nb_erases = 1;
@@ -363,7 +356,7 @@ int NFTL_formatblock(struct NFTLrecord *nftl, int block)
fail:
/* could not format, update the bad block table (caller is responsible
for setting the ReplUnitTable to BLOCK_RESERVED on failure) */
- nftl->mbd.mtd->block_markbad(nftl->mbd.mtd, instr->addr);
+ mtd_block_markbad(nftl->mbd.mtd, instr->addr);
return -1;
}
@@ -371,10 +364,10 @@ fail:
* Mark as 'IGNORE' each incorrect sector. This check is only done if the chain
* was being folded when NFTL was interrupted.
*
- * The check_free_sectors in this function is neceressary. There is a possible
+ * The check_free_sectors in this function is necessary. There is a possible
* situation that after writing the Data area, the Block Control Information is
* not updated according (due to power failure or something) which leaves the block
- * in an umconsistent state. So we have to check if a block is really FREE in this
+ * in an inconsistent state. So we have to check if a block is really FREE in this
* case. */
static void check_sectors_in_chain(struct NFTLrecord *nftl, unsigned int first_block)
{
@@ -436,7 +429,7 @@ static int calc_chain_length(struct NFTLrecord *nftl, unsigned int first_block)
for (;;) {
length++;
- /* avoid infinite loops, although this is guaranted not to
+ /* avoid infinite loops, although this is guaranteed not to
happen because of the previous checks */
if (length >= nftl->nb_blocks) {
printk("nftl: length too long %d !\n", length);
@@ -455,11 +448,11 @@ static int calc_chain_length(struct NFTLrecord *nftl, unsigned int first_block)
/* format_chain: Format an invalid Virtual Unit chain. It frees all the Erase Units in a
* Virtual Unit Chain, i.e. all the units are disconnected.
*
- * It is not stricly correct to begin from the first block of the chain because
+ * It is not strictly correct to begin from the first block of the chain because
* if we stop the code, we may see again a valid chain if there was a first_block
* flag in a block inside it. But is it really a problem ?
*
- * FixMe: Figure out what the last statesment means. What if power failure when we are
+ * FixMe: Figure out what the last statement means. What if power failure when we are
* in the for (;;) loop formatting blocks ??
*/
static void format_chain(struct NFTLrecord *nftl, unsigned int first_block)
@@ -493,7 +486,7 @@ static void format_chain(struct NFTLrecord *nftl, unsigned int first_block)
* totally free (only 0xff).
*
* Definition: Free Erase Unit -- A properly erased/formatted Free Erase Unit should have meet the
- * following critia:
+ * following criteria:
* 1. */
static int check_and_mark_free_block(struct NFTLrecord *nftl, int block)
{
@@ -510,7 +503,7 @@ static int check_and_mark_free_block(struct NFTLrecord *nftl, int block)
erase_mark = le16_to_cpu ((h1.EraseMark | h1.EraseMark1));
if (erase_mark != ERASE_MARK) {
/* if no erase mark, the block must be totally free. This is
- possible in two cases : empty filsystem or interrupted erase (very unlikely) */
+ possible in two cases : empty filesystem or interrupted erase (very unlikely) */
if (check_free_sectors (nftl, block * nftl->EraseSize, nftl->EraseSize, 1) != 0)
return -1;
@@ -552,7 +545,7 @@ static int check_and_mark_free_block(struct NFTLrecord *nftl, int block)
/* get_fold_mark: Read fold mark from Unit Control Information #2, we use FOLD_MARK_IN_PROGRESS
* to indicate that we are in the progression of a Virtual Unit Chain folding. If the UCI #2
* is FOLD_MARK_IN_PROGRESS when mounting the NFTL, the (previous) folding process is interrupted
- * for some reason. A clean up/check of the VUC is neceressary in this case.
+ * for some reason. A clean up/check of the VUC is necessary in this case.
*
* WARNING: return 0 if read error
*/
@@ -665,7 +658,7 @@ int NFTL_mount(struct NFTLrecord *s)
printk("Block %d: incorrect logical block: %d expected: %d\n",
block, logical_block, first_logical_block);
/* the chain is incorrect : we must format it,
- but we need to read it completly */
+ but we need to read it completely */
do_format_chain = 1;
}
if (is_first_block) {
@@ -677,7 +670,7 @@ int NFTL_mount(struct NFTLrecord *s)
printk("Block %d: incorrectly marked as first block in chain\n",
block);
/* the chain is incorrect : we must format it,
- but we need to read it completly */
+ but we need to read it completely */
do_format_chain = 1;
} else {
printk("Block %d: folding in progress - ignoring first block flag\n",
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 07:31:26 +0000