void target_core_setup_sub_cits(struct se_subsystem_api *);
/* attribute helpers from target_core_device.c for backend drivers */
+bool se_dev_check_wce(struct se_device *);
int se_dev_set_max_unmap_lba_count(struct se_device *, u32);
int se_dev_set_max_unmap_block_desc_count(struct se_device *, u32);
int se_dev_set_unmap_granularity(struct se_device *, u32);