2337 static bool passdown_enabled(struct pool_c *pt)  in passdown_enabled()  argument
2339 	return pt->adjusted_pf.discard_passdown;  in passdown_enabled()
2344 	struct pool_c *pt = pool->ti->private;  in set_discard_callbacks()  local
2346 	if (passdown_enabled(pt)) {  in set_discard_callbacks()
2357 	struct pool_c *pt = pool->ti->private;  in set_pool_mode()  local
2435 		pool->pf.error_if_no_space = pt->requested_pf.error_if_no_space;  in set_pool_mode()
2450 	pt->adjusted_pf.mode = new_mode;  in set_pool_mode()
2630 	struct pool_c *pt = container_of(cb, struct pool_c, callbacks);  in pool_is_congested()  local
2633 	if (get_pool_mode(pt->pool) == PM_OUT_OF_DATA_SPACE)  in pool_is_congested()
2636 	q = bdev_get_queue(pt->data_dev->bdev);  in pool_is_congested()
2658 static bool data_dev_supports_discard(struct pool_c *pt)  in data_dev_supports_discard()  argument
2660 	struct request_queue *q = bdev_get_queue(pt->data_dev->bdev);  in data_dev_supports_discard()
2674 static void disable_passdown_if_not_supported(struct pool_c *pt)  in disable_passdown_if_not_supported()  argument
2676 	struct pool *pool = pt->pool;  in disable_passdown_if_not_supported()
2677 	struct block_device *data_bdev = pt->data_dev->bdev;  in disable_passdown_if_not_supported()
2682 	if (!pt->adjusted_pf.discard_passdown)  in disable_passdown_if_not_supported()
2685 	if (!data_dev_supports_discard(pt))  in disable_passdown_if_not_supported()
2693 		pt->adjusted_pf.discard_passdown = false;  in disable_passdown_if_not_supported()
2699 	struct pool_c *pt = ti->private;  in bind_control_target()  local
2705 	enum pool_mode new_mode = pt->adjusted_pf.mode;  in bind_control_target()
2712 	pt->adjusted_pf.mode = old_mode;  in bind_control_target()
2715 	pool->pf = pt->adjusted_pf;  in bind_control_target()
2716 	pool->low_water_blocks = pt->low_water_blocks;  in bind_control_target()
2946 	struct pool_c *pt = ti->private;  in pool_dtr()  local
2950 	unbind_control_target(pt->pool, ti);  in pool_dtr()
2951 	__pool_dec(pt->pool);  in pool_dtr()
2952 	dm_put_device(ti, pt->metadata_dev);  in pool_dtr()
2953 	dm_put_device(ti, pt->data_dev);  in pool_dtr()
2954 	kfree(pt);  in pool_dtr()
3059 static dm_block_t calc_metadata_threshold(struct pool_c *pt)  in calc_metadata_threshold()  argument
3066 	dm_block_t quarter = get_metadata_dev_size_in_blocks(pt->metadata_dev->bdev) / 4;  in calc_metadata_threshold()
3086 	struct pool_c *pt;  in pool_ctr()  local
3149 	pt = kzalloc(sizeof(*pt), GFP_KERNEL);  in pool_ctr()
3150 	if (!pt) {  in pool_ctr()
3174 	pt->pool = pool;  in pool_ctr()
3175 	pt->ti = ti;  in pool_ctr()
3176 	pt->metadata_dev = metadata_dev;  in pool_ctr()
3177 	pt->data_dev = data_dev;  in pool_ctr()
3178 	pt->low_water_blocks = low_water_blocks;  in pool_ctr()
3179 	pt->adjusted_pf = pt->requested_pf = pf;  in pool_ctr()
3198 	ti->private = pt;  in pool_ctr()
3200 	r = dm_pool_register_metadata_threshold(pt->pool->pmd,  in pool_ctr()
3201 						calc_metadata_threshold(pt),  in pool_ctr()
3207 	pt->callbacks.congested_fn = pool_is_congested;  in pool_ctr()
3208 	dm_table_add_target_callbacks(ti->table, &pt->callbacks);  in pool_ctr()
3217 	kfree(pt);  in pool_ctr()
3231 	struct pool_c *pt = ti->private;  in pool_map()  local
3232 	struct pool *pool = pt->pool;  in pool_map()
3239 	bio->bi_bdev = pt->data_dev->bdev;  in pool_map()
3249 	struct pool_c *pt = ti->private;  in maybe_resize_data_dev()  local
3250 	struct pool *pool = pt->pool;  in maybe_resize_data_dev()
3297 	struct pool_c *pt = ti->private;  in maybe_resize_metadata_dev()  local
3298 	struct pool *pool = pt->pool;  in maybe_resize_metadata_dev()
3356 	struct pool_c *pt = ti->private;  in pool_preresume()  local
3357 	struct pool *pool = pt->pool;  in pool_preresume()
3406 	struct pool_c *pt = ti->private;  in pool_resume()  local
3407 	struct pool *pool = pt->pool;  in pool_resume()
3427 	struct pool_c *pt = ti->private;  in pool_presuspend()  local
3428 	struct pool *pool = pt->pool;  in pool_presuspend()
3440 	struct pool_c *pt = ti->private;  in pool_presuspend_undo()  local
3441 	struct pool *pool = pt->pool;  in pool_presuspend_undo()
3453 	struct pool_c *pt = ti->private;  in pool_postsuspend()  local
3454 	struct pool *pool = pt->pool;  in pool_postsuspend()
3629 	struct pool_c *pt = ti->private;  in pool_message()  local
3630 	struct pool *pool = pt->pool;  in pool_message()
3708 	struct pool_c *pt = ti->private;  in pool_status()  local
3709 	struct pool *pool = pt->pool;  in pool_status()
3804 		       format_dev_t(buf, pt->metadata_dev->bdev->bd_dev),  in pool_status()
3805 		       format_dev_t(buf2, pt->data_dev->bdev->bd_dev),  in pool_status()
3807 		       (unsigned long long)pt->low_water_blocks);  in pool_status()
3808 		emit_flags(&pt->requested_pf, result, sz, maxlen);  in pool_status()
3820 	struct pool_c *pt = ti->private;  in pool_iterate_devices()  local
3822 	return fn(ti, pt->data_dev, 0, ti->len, data);  in pool_iterate_devices()
3827 	struct pool_c *pt = ti->private;  in pool_io_hints()  local
3828 	struct pool *pool = pt->pool;  in pool_io_hints()
3866 	if (!pt->adjusted_pf.discard_enabled) {  in pool_io_hints()
3877 	disable_passdown_if_not_supported(pt);  in pool_io_hints()