From mboxrd@z Thu Jan 1 00:00:00 1970 From: Phillip Susi Subject: Partitioned dm devices and BLKPG Date: Thu, 25 Mar 2010 15:12:50 -0400 Message-ID: <4BABB5B2.8050007@cfl.rr.com> Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: device-mapper development , ataraid-list-owner@redhat.com List-Id: dm-devel.ids I was thinking that it would be preferable to use the BLKPG ioctl to add a kernel partition table to a dm device rather than create another linear mapped dm device layered on top to emulate partitions. This would allow tools like (g)parted to understand and manipulate partitions on dmraid disks and seems it would be more efficient not having as many layers to travel through. Is this possible or has anyone thought of adding such support?