From: Mike Snitzer <[email-masked]>

The offset passed to blk_stack_limits() must be in bytes not sectors.
Fixes false warnings like the following:
device-mapper: table: 254:1: target device sda6 is misaligned

Signed-off-by: Mike Snitzer <[email-masked]>
Reported-by: Frans Pop <[email-masked]>
Tested-by: Frans Pop <[email-masked]>
Signed-off-by: Alasdair G Kergon <[email-masked]>

---
 drivers/md/dm-table.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-2.6.31-rc1/drivers/md/dm-table.c
===================================================================
--- linux-2.6.31-rc1.orig/drivers/md/dm-table.c
+++ linux-2.6.31-rc1/drivers/md/dm-table.c
@@ -495,7 +495,7 @@ int dm_set_device_limits(struct dm_targe
 		return 0;
 	}
 
-	if (blk_stack_limits(limits, &q->limits, start) < 0)
+	if (blk_stack_limits(limits, &q->limits, start << 9) < 0)
 		DMWARN("%s: target device %s is misaligned",
 		       dm_device_name(ti->table->md), bdevname(bdev, b));