On 2013-11-08 18:44, Chris Murphy wrote: > > On Nov 8, 2013, at 5:55 AM, Goffredo Baroncelli <kreij...@libero.it> > <kreij...@libero.it> wrote: >> >> Instead of using set-default, I am used to rename the subvolume. >> I.E. I assume that the root filesystem is a subvolume always called >> "__active". When I want to rollback, I rename "__active" in >> "__broken" (or remove it), then I rename (or re-snapshot) >> "snapshot-yyyymmdd" in "__active". >> >>>> That way, we ensure the best compatibility and lowest >>>> maintenance, >>> as we don't overwrite default init functions. >>> >>> I'm sympathetic to the alternative problem, which is that you >>> need to alter grub.cfg to use the proper rootflags=subvol= to >>> explicitly use the proper snapshot, and also it would mean >>> altering the /etc/fstab within that snapshot. >> >> With rename you can address both the issues > > Now I don't know what snapshot that is, since it's just renamed to > some non-descriptive name like "root" which happens to, by > convention, always be the active root. This is the problem with using > user domain to store contextual metadata. We need another way to do > this, rather than inject these changes into filename/foldername which > are primarily user domain. And we need agreement on a right way to do > this rather than distribution convention.
Put all the required information in an xattr... > > We need some distribution collaboration in this area, or this is > going to turn into an end-user pain point, with multiboot users top > on the list of the injured. I fully agree: whatever solution we found, it has to be shared across all distributions. > > > Chris Murphy-- To unsubscribe from this list: send the line > "unsubscribe linux-btrfs" in the body of a message to > majord...@vger.kernel.org More majordomo info at > http://vger.kernel.org/majordomo-info.html > -- gpg @keyserver.linux.it: Goffredo Baroncelli (kreijackATinwind.it> Key fingerprint BBF5 1610 0B64 DAC6 5F7D 17B2 0EDA 9B37 8B82 E0B5 -- gpg @keyserver.linux.it: Goffredo Baroncelli (kreijackATinwind.it> Key fingerprint BBF5 1610 0B64 DAC6 5F7D 17B2 0EDA 9B37 8B82 E0B5 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
