Also, btrfs already has a utility to scan for subvolumes in a directory btrfs subvolume list /path
On Sun, Jan 23, 2011 at 12:02 PM, Goffredo Baroncelli <kreij...@libero.it> wrote: > On 01/23/2011 04:05 PM, Lubos Kolouch wrote: >> Goffredo Baroncelli, Sun, 23 Jan 2011 13:17:13 +0100: >> >>> Hi Lubos, >>> >>> On 01/23/2011 08:17 AM, Lubos Kolouch wrote: >>>> Hello, > >>>> Is this a bug or intended behaviour and I am missing something >>>> something? How to snapshot a subvolume, containing another subvolumes? >>> >>> It is the intended behavior. The snapshotting is not recursive about >>> subvolumes. If you snapshot a subvolume which contains another one, you >>> got only the content of the first subvolume. The directory "x/b" which >>> you see, is not the subvolume "b" snapshotted, but only the >>> "mount-point" of "b". >>> >> >> Hi Goffredo, >> >> I understand. But then I think btrfs should refuse to do it or at least >> print a warning. Otherwise it is very inconvenient for the user, having to >> search for any subvolumes down the tree... > > > Sorry, but I can't agree. To me it seems a reasonable default. There are > a lot of cases where I would not snapshot a sub-sub-subvolume: my rootfs > is a subvolume, my home is in another one. I can snapshot, update the > root fs, then if something goes wrong I can roolback to the old one, > without affecting my home. > > This behavior is strictly related to the btrfs internal. > > Any way it is true that this behavior should be highlighted in the > documentation. > > And more, it is possible to add a "-R" flag to snapshot recursively a > subvolume... > > Goffredo > >> Lubos >> >> -- >> 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 >> . >> > > -- > 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 > -- 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
