On 30.05.2014, Thomas Bastiani wrote: > > As far as I know, mkfs discards blocks while creating the filesystem. > > So your device should be "overwritten" at that stage of the process? > Oh cool. I had no idea. So then it would make the whole dd operation > useless if you pass --allow-discards to cryptsetup. I think so. At least mkfs.xfs, mkfs.ext4 and mkfs.btrfs are discarding blocks while creating the fs. Don't know about other fs. _______________________________________________ dm-crypt mailing list dm-crypt@xxxxxxxx http://www.saout.de/mailman/listinfo/dm-crypt