[PATCH] md: fix sizing problem with raid5-reshape and CONFIG_LBD=n

I forgot to has the size-in-blocks to (loff_t) before shifting up to a
size-in-bytes.

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index e14f457..69c3e20 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3659,7 +3659,7 @@
 		bdev = bdget_disk(conf->mddev->gendisk, 0);
 		if (bdev) {
 			mutex_lock(&bdev->bd_inode->i_mutex);
-			i_size_write(bdev->bd_inode, conf->mddev->array_size << 10);
+			i_size_write(bdev->bd_inode, (loff_t)conf->mddev->array_size << 10);
 			mutex_unlock(&bdev->bd_inode->i_mutex);
 			bdput(bdev);
 		}