On Thu, Sep 24 2009 at 8:51am -0400, Alasdair G Kergon <agk@xxxxxxxxxx> wrote: > On Wed, Sep 23, 2009 at 10:24:58AM -0500, Jon Brassow wrote: > > When the snapshot is empty, return 0 as the number of allocated sectors. > > This will be needed to properly notify userspace that merging is finished. > > A kernel/userspace interface change and visible to the user in their tools. > Needs discussion. I'd be quite surprised if any users' scripts had the intelligence that the persistent exception store always used the first 2 chunks. I view this patch as a fix and would like to see it pushed for 2.6.32-rcX This patch is also a prerequisite for some patches I just posted to lvm-devel: http://www.redhat.com/archives/lvm-devel/2009-September/msg00145.html -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel