Well my order of preference for the interface at the moment would be: ioctl: ASCII dm messages ioctl: binary dm messages (i.e. the message content is treated as a binary blob) mmap: lookups in shared memory (lockless preferably) netlink Alasdair -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
