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Subject[ 14/78] mtd: doc2001plus: initialize writebufsize
3.3-stable review patch.  If anyone has any objections, please let me know.


From: Artem Bityutskiy <>

commit 71f60fbebf0f18dd4e855335a009efda251b1697 upstream.

The writebufsize concept was introduce by commit
"0e4ca7e mtd: add writebufsize field to mtd_info struct" and it represents
the maximum amount of data the device writes to the media at a time. This is
an important parameter for UBIFS which is used during recovery and which
basically defines how big a corruption caused by a power cut can be.

Set it to be equivalent to mtd->writesize because this is the maximum amount
of data the driver writes at a time.

Signed-off-by: Artem Bityutskiy <>
Signed-off-by: David Woodhouse <>
Signed-off-by: Greg Kroah-Hartman <>

drivers/mtd/devices/doc2001plus.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/mtd/devices/doc2001plus.c
+++ b/drivers/mtd/devices/doc2001plus.c
@@ -467,7 +467,7 @@ void DoCMilPlus_init(struct mtd_info *mt

mtd->type = MTD_NANDFLASH;
mtd->flags = MTD_CAP_NANDFLASH;
- mtd->writesize = 512;
+ mtd->writebufsize = mtd->writesize = 512;
mtd->oobsize = 16;
mtd->owner = THIS_MODULE;
mtd->erase = doc_erase;

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