On Thu, May 21, 2009 at 02:17:58PM -0400, Greg Freemyer wrote: > On Thu, May 21, 2009 at 12:13 PM, Alberto Bertogli > <albertito@xxxxxxxxxxxxxx> wrote: > > I'm writing this device mapper target that stores checksums on writes and > > verifies them on reads. > > I have not looked at your patch, but does this tie into the integrity > logic that was added to mainline a few months ago? At the moment it has no relation, but making dm-csum devices register with the bio integrity extensions is on my to-do list, and the on-disk format already reserves 32 bits for every 512-byte sector for tagging purposes. Thanks, Alberto -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel