tree 8758ebd6ee210ec303b661df775f31b3e9f45dd9
parent e2e74d617eadc15f601983270c4f4a6935c5a943
author Mike Snitzer <snitzer@redhat.com> 1363800087 +0000
committer Alasdair G Kergon <agk@redhat.com> 1363800087 +0000

dm cache: policy change version from string to integer set

Separate dm cache policy version string into 3 unsigned numbers
corresponding to major, minor and patchlevel and store them at the end
of the on-disk metadata so we know which version of the policy generated
the hints in case a future version wants to use them differently.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>