On Sat, Jun 12, 2010 at 7:22 PM, David Brown <btrfs@xxxxxxxxxx> wrote: > On Sat, Jun 12, 2010 at 06:06:23PM -0500, C Anthony Risinger wrote: > >>> # btrfs subvolume create new_root >>> # mv . new_root/old_root > >> can i at least get confirmation that the above is possible? > > I've had no problem with > > # btrfs subvolume snapshot . new_root > # mkdir old_root > # mv * old_root > # rm -rf old_root > > Make sure the 'mv' fails fo move new_root, and I'd look at the > new_root before removing everything. > > David heh, yeah i as i was writing the last email i realized that all i really wanted was to: # mv * new_root for some reason i was convinced that i must snapshot the old_root (.) to new_root... and then remove the erroneous stuff from old_root (.). thus a way to "parent" the default subvol (old_root/.) seemed a better solution... but alas, a snapshot isn't necessary. i can create an empty subvol "new_root", and then "mv * new_root". i don't know how that escaped me :-), sorry for all the noise. however, there probably is a legitimate use case for wanting to replace the default subvolume, but this isn't it. C Anthony -- 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
