Dne 29.9.2011 15:35, Kasatkin, Dmitry napsal(a): > 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? > Yes - i.e.the old snapshot target stores the block and it's remapping info (thought the size info is much smaller then 256b) Zdenek -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
