Messages in this thread | | | Date | Thu, 21 May 2009 16:17:04 -0300 | From | Alberto Bertogli <> | Subject | Re: [RFC PATCH] dm-csum: A new device mapper target that checks data integrity |
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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@blitiri.com.ar> 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
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