Hi Austin! >What you want here is mkfs.btrfs with the `-r` and `--shrink` options. > >So, for your specific example, replace the genisoimage command from your >first example with this and update the file names appropriately: > ># mkfs.btrfs -r <dir_to_put_in_the_image> --shrink btrfs.img > >Note that you don't need and shouldn't use a loop mount for the target >file for the `mkfs` command. It will generate the file at the >appropriate size automatically (and as a general rule, `mkfs` for any >filesystem works just fine without a loop mount, you just need to have a >file of the right size for most of them). And is there someway to generate a crypted btrfs directly or is it better to do it using cryptsetup as I'm doing in the example? Regards Jorge
