LGPLv2+ libdlm/libdlm.c libdlm/libdlm.h libdlm/libdlm_internal.h GPLv2 dlm_controld/list.h (copied from linux kernel) GPLv2+ dlm_controld/rbtree.c (copied from linux kernel) dlm_controld/rbtree.h (copied from linux kernel) all other original files