On Thu, Sep 29, 2011 at 04:35:44PM +0300, Kasatkin, Dmitry wrote: > Hello All, > > I would like to implement such block device, which can store > additional information along with the block data. > For example. so if file system has 4k block, I would like to store > 4k+256b of additional information... > > Can such block device be implemented with device mapper? Given your other recent posts you probably want to take a look at dm-verity: http://selinuxproject.org/~jmorris/lss2011_slides/LSS_11_Integrity_checked_block_devices.pdf (even if that's not strictly what you are asking for here) -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
