On Fri, May 11, 2012 at 06:11:26PM +0800, Liu Bo wrote: > In normal cases, we would not be allowed to do balance in RO mode. > However, when we're using a seeding device and adding another device to sprout, > things will change: > > $ mkfs.btrfs /dev/sdb7 > $ btrfstune -S 1 /dev/sdb7 > $ mount /dev/sdb7 /mnt/btrfs -o ro > $ btrfs fi bal /mnt/btrfs -----------------------> fail. > $ btrfs dev add /dev/sdb8 /mnt/btrfs > $ btrfs fi bal /mnt/btrfs -----------------------> works! > > It should not be designed as an exception, and we'd better add another check for > mnt flags. > Added to btrfs-next and added my Reviewed-by. Thanks, Josef -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
