On Sat, Jan 27, 2018 at 05:05:31PM +0000, Martin Raiber wrote: > On 25.01.2018 06:51 Dave Chinner wrote: > > The video from my talk at LCA 2018 yesterday about the XFS subvolume and > > snapshot support I'm working on has been uploaded and can be found > > here: > > > > https://www.youtube.com/watch?v=wG8FUvSGROw > > > > I don't have the code in a reviewable form yet - there's still quite > > a bit of work before I get to that point, but this is a good > > introduction to how all the pieces will fit together.... > > Great talk! > > I'm pretty sure it's hard to add, but cross-subvolume reflinks would be > something useful for my use case. That's not going to happen. reflinks across subvolumes (i.e. across independent filesystems) will return -EXDEV. If you want subvolumes to share data blocks of independent ancestry, then you can run deduplication operations on the image files. Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
