dm_target_snapshot_config_t
dm_target_snapshot_config_t *tsc;
tsc = kmem_alloc(sizeof(dm_target_snapshot_config_t),
dm_target_snapshot_config_t *tsc;
dm_target_snapshot_config_t *tsc;
kmem_free(table_en->target_config, sizeof(dm_target_snapshot_config_t));