[PATCH] mtdoops: skip reading initially bad blocks

Roman Tereshonkov roman.tereshonkov at nokia.com
Fri Dec 2 08:07:17 EST 2011


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 at nokia.com>
---
 drivers/mtd/mtdoops.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/mtd/mtdoops.c b/drivers/mtd/mtdoops.c
index 1e2fa62..cea9279 100644
--- a/drivers/mtd/mtdoops.c
+++ b/drivers/mtd/mtdoops.c
@@ -253,6 +253,9 @@ static void find_next_position(struct mtdoops_context *cxt)
 	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,
-- 
1.7.0.4




More information about the linux-mtd mailing list