delete readonly btrfs snapshot

delete-readonly-btrfs-snapshots.sh

# set -x
# set -v

for f in *; do
    if [ -d $f ]; then
        device_dir=${f%%.*} 
        snapshot_dir=${f##*.} 
        if [ $snapshot_dir != $device_dir ]; then
            echo $f "-> " $snapshot_dir ":" $device_dir
            btrfs property set -ts $f ro false
            rm -rf $f
        fi
    fi
done