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authorJason Liu <r64343@freescale.com>2008-03-25 21:57:06 -0500
committerDaniel Schaeffer <daniel.schaeffer@timesys.com>2008-08-25 15:20:55 -0400
commit5d040f9ca42c05a6a2e6c9c13c8dfb6e6c82f2b1 (patch)
treeaff9da2b8f5f4a0df2cf9a509bb61ba393bd76fd
parentfb57af368973653d5639ef1a5d5ecde78589979d (diff)
ENGR00069937 Community patch for Fix mount error in case of MLC flash
Even though we don't use the OOB for MLC nand flash, we should use the bad block information to skip the bad block. Patch url: http://patchwork.ozlabs.org/linux-mtd/patch?q=mlc&filter=none&id=15477 Author:Kyungmin Park Signed-off-by: Jason Liu <r64343@freescale.com>
-rw-r--r--fs/jffs2/scan.c24
1 files changed, 13 insertions, 11 deletions
diff --git a/fs/jffs2/scan.c b/fs/jffs2/scan.c
index 272872d27fd5..fece2e523ce7 100644
--- a/fs/jffs2/scan.c
+++ b/fs/jffs2/scan.c
@@ -111,7 +111,7 @@ int jffs2_scan_medium(struct jffs2_sb_info *c)
if (!flashbuf) {
/* For NAND it's quicker to read a whole eraseblock at a time,
apparently */
- if (jffs2_cleanmarker_oob(c))
+ if (c->mtd->type == MTD_NANDFLASH)
buf_size = c->sector_size;
else
buf_size = PAGE_SIZE;
@@ -448,22 +448,24 @@ static int jffs2_scan_eraseblock (struct jffs2_sb_info *c, struct jffs2_eraseblo
D1(printk(KERN_DEBUG "jffs2_scan_eraseblock(): Scanning block at 0x%x\n", ofs));
#ifdef CONFIG_JFFS2_FS_WRITEBUFFER
- if (jffs2_cleanmarker_oob(c)) {
+ if (c->mtd->type == MTD_NANDFLASH) {
int ret;
if (c->mtd->block_isbad(c->mtd, jeb->offset))
return BLK_STATE_BADBLOCK;
- ret = jffs2_check_nand_cleanmarker(c, jeb);
- D2(printk(KERN_NOTICE "jffs_check_nand_cleanmarker returned %d\n",ret));
+ if (jffs2_cleanmarker_oob(c)) {
+ ret = jffs2_check_nand_cleanmarker(c, jeb);
+ D2(printk(KERN_NOTICE "jffs_check_nand_cleanmarker returned %d\n", ret));
- /* Even if it's not found, we still scan to see
- if the block is empty. We use this information
- to decide whether to erase it or not. */
- switch (ret) {
- case 0: cleanmarkerfound = 1; break;
- case 1: break;
- default: return ret;
+ /* Even if it's not found, we still scan to see
+ if the block is empty. We use this information
+ to decide whether to erase it or not. */
+ switch (ret) {
+ case 0: cleanmarkerfound = 1; break;
+ case 1: break;
+ default: return ret;
+ }
}
}
#endif