Re: [dm-devel] DM_snapshot_cow filesystem (dmsetup create snapshot)

[Alasdair G Kergon <agk redhat com>]

markmc did some code that shows how to read the format a few years ago here:
http://people.gnome.org/~markmc/code/merge-dm-snapshot.c

Otherwise look at dm-snap-persistent.c in the kernel tree.

Alasdair