[02/48] mtd: mtdoops: skip reading initially bad blocks
From: Greg KH
Date: Mon Jan 16 2012 - 13:48:09 EST
3.1-stable review patch. If anyone has any objections, please let me know.
------------------
From: Roman Tereshonkov <roman.tereshonkov@xxxxxxxxx>
commit 3538c56329936c78f7d356889908790006d0124c upstream.
Use block_isbad to check and skip the bad blocks reading.
This will allow to get rid of the read errors if bad blocks
are present initially.
Signed-off-by: Roman Tereshonkov <roman.tereshonkov@xxxxxxxxx>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@xxxxxxxxxxxxxxx>
Signed-off-by: David Woodhouse <David.Woodhouse@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
drivers/mtd/mtdoops.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/mtd/mtdoops.c
+++ b/drivers/mtd/mtdoops.c
@@ -253,6 +253,9 @@ static void find_next_position(struct mt
size_t retlen;
for (page = 0; page < cxt->oops_pages; page++) {
+ if (mtd->block_isbad &&
+ mtd->block_isbad(mtd, page * record_size))
+ continue;
/* Assume the page is used */
mark_page_used(cxt, page);
ret = mtd->read(mtd, page * record_size, MTDOOPS_HEADER_SIZE,
--
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