[dm-devel] Ext4 and xfs problems in dm-thin on allocation and discard

[Alasdair G Kergon]

On Tue, Jun 19, 2012 at 10:19:33AM -0400, Ted Ts'o wrote:
> One of the things which would be nice to be able to easily set up is a
> configuration where we get the benefits of thin provisioning with
> respect to snapshost, but where the underlying block device used by
> the file system is contiguous.  

We're tracking this requirement (for lvm2) here:
  https://bugzilla.redhat.com/show_bug.cgi?id=814737

Alasdair