dm_sm_dec_block
dm_sm_dec_block(md->sm, SUPERBLOCK_LOCATION);
dm_sm_dec_block(md->sm, md->writeset_tree_root);
return dm_sm_dec_block(md->sm, location);
dm_sm_dec_block(pmd->metadata_sm, held_root);
dm_sm_dec_block(tm->sm, new_block);
r = dm_sm_dec_block(tm->sm, orig);
dm_sm_dec_block(tm->sm, b);