[PATCH] block2mtd: avoid touching truncate_count

blockmtd doesn't need to initialise address_space.truncate_count:
open_bdev_excl did that.

Plus I have a patch queued up which removes ->truncate_count.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/mtd/devices/block2mtd.c

@@ -324,7 +324,6 @@ static struct blockmtd_dev *add_device(char *devname, int erase_size)
 		goto devinit_err;
 	}
 
-	atomic_set(&bdev->bd_inode->i_mapping->truncate_count, 0);
 	init_MUTEX(&dev->write_mutex);
 
 	/* Setup the MTD structure */