From: Jan Engelhardt <jengelh@xxxxxxxxxxxxxxx> Date: Tue, 12 Feb 2008 15:00:20 +0100 (CET) > Something looks wrong here. Why would btrfs need to zero at all? So that existing superblocks on the partition won't be interpreted as correct by other filesystems. It's a safety measure many mkfs programs use. > Superblock at 0, and done. Just like xfs. No, we won't do stupid things like that and make an entire cylinder of our disks unusable. See my other reply. - 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