root@thinkpad:/mnt# btrfs subvolume list -p ./
ID 257 parent 5 top level 5 path active/sysroot
ID 259 parent 5 top level 5 path active/users/patrik
ID 261 parent 5 top level 5 path snapshots/sysroot/20121017_202719_sysroot
ID 262 parent 5 top level 5 path snapshots/users/patrik/20121017_202719_patrik
ID 263 parent 5 top level 5 path snapshots/users/patrik/20121018_083401_patrik
ID 264 parent 5 top level 5 path snapshots/sysroot/20121018_083401_sysroot

root@thinkpad:/mnt# grep btrfs /etc/fstab
/dev/disk/by-label/btrfs_root	/		btrfs	defaults,rw,noatime,ssd,discard,recovery,space_cache,inode_cache,compress=lzo,thread_pool=32,subvol=active/sysroot	0	0
/dev/disk/by-label/btrfs_root	/home/patrik	btrfs	defaults,rw,noatime,ssd,discard,recovery,space_cache,inode_cache,compress=lzo,thread_pool=32,subvol=active/users/patrik	0	0