1. 2011-04-14 Re: [linux-lvm] [PATCH] dm snapshot: add discard supp linux-lvm DarkNovaNick 2. 2011-04-13 [dm-devel] [PATCH] dm snapshot: add discard support t dm-devel Mike Snitzer 3. 2011-04-13 [linux-lvm] [PATCH] dm snapshot: add discard support linux-lvm Mike Snitzer