>>>>> "Mike" == Mike Snitzer <snitzer@xxxxxxxxxx> writes: Mike> I followed your lead :) Mike> http://mkp.net/code/topology/dm-topology.patch I believe I pointed out that the patch was a proof of concept :) Mike> I need to continue looking at this problem; particularly as it Mike> relates to the LVM2 userspace's role in seeding the DM layer Mike> appropriately. *nod* Mike> So I'm not yet seeing why alignment_offset _should_ matter as you Mike> stack within DM (because of LVM2's role in accounting for it) Mike> but... If LVM2 userland takes care of alignment then the offset doesn't matter. Without it, though, there's not much I can do in the stacking function. -- Martin K. Petersen http://mkp.net/ -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel