On Tue, Sep 15, 2015 at 05:01:56PM +0800, Dongsheng Yang wrote: > There are some filesystems are running on char devs, such > as ubifs. So we need a field in super_block to hold a > reference to the char device. We only care about the block device to get a device number to return in st.st_dev. And while filesystem literally run on top of a block device that is not the case of a character device - you might use a chardev to identify a device to mount but it'll never use the actual char device. So please don't bloat the superblock with this. -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
