On Wed, Dec 01, 2010 at 11:01:37AM -0500, Chris Mason wrote: > Excerpts from C Anthony Risinger's message of 2010-12-01 09:51:55 -0500: > > On Wed, Dec 1, 2010 at 8:21 AM, Josef Bacik <[email protected]> wrote: > > > > > > === How do we want subvolumes to work from a user perspective? === > > > > > > 1) Users need to be able to create their own subvolumes. Â The permission > > > semantics will be absolutely the same as creating directories, so I don't > > > think > > > this is too tricky. Â We want this because you can only take snapshots of > > > subvolumes, and so it is important that users be able to create their own > > > discrete snapshottable targets. > > > > > > 2) Users need to be able to snapshot their subvolumes. Â This is > > > basically the > > > same as #1, but it bears repeating. > > > > could it be possible to convert a directory into a volume? or at > > least base a snapshot off it? > > I'm afraid this turns into the same complexity as creating a new volume > and copying all the files/dirs in by hand.
Except you wouldn't have to copy data, only metadata. Mike -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
