277 static int device_area_is_invalid(struct dm_target *ti, struct dm_dev *dev,  in device_area_is_invalid()  argument
298 		       dm_device_name(ti->table->md), bdevname(bdev, b),  in device_area_is_invalid()
311 		       dm_device_name(ti->table->md), bdevname(bdev, b),  in device_area_is_invalid()
324 		       dm_device_name(ti->table->md),  in device_area_is_invalid()
333 		       dm_device_name(ti->table->md),  in device_area_is_invalid()
391 int dm_get_device(struct dm_target *ti, const char *path, fmode_t mode,  in dm_get_device()  argument
397 	struct dm_table *t = ti->table;  in dm_get_device()
431 static int dm_set_device_limits(struct dm_target *ti, struct dm_dev *dev,  in dm_set_device_limits()  argument
441 		       dm_device_name(ti->table->md), bdevname(bdev, b));  in dm_set_device_limits()
449 		       dm_device_name(ti->table->md), bdevname(bdev, b),  in dm_set_device_limits()
461 void dm_put_device(struct dm_target *ti, struct dm_dev *d)  in dm_put_device()  argument
464 	struct list_head *devices = &ti->table->devices;  in dm_put_device()
475 		       dm_device_name(ti->table->md), d->name);  in dm_put_device()
479 		dm_put_table_device(ti->table->md, d);  in dm_put_device()
489 static int adjoin(struct dm_table *table, struct dm_target *ti)  in adjoin()  argument
494 		return !ti->begin;  in adjoin()
497 	return (ti->begin == (prev->begin + prev->len));  in adjoin()
624 	struct dm_target *uninitialized_var(ti);  in validate_hardware_logical_block_alignment()
632 		ti = dm_table_get_target(table, i++);  in validate_hardware_logical_block_alignment()
637 		if (ti->type->iterate_devices)  in validate_hardware_logical_block_alignment()
638 			ti->type->iterate_devices(ti, dm_set_device_limits,  in validate_hardware_logical_block_alignment()
645 		if (remaining < ti->len &&  in validate_hardware_logical_block_alignment()
651 		    (unsigned short) ((next_target_start + ti->len) &  in validate_hardware_logical_block_alignment()
661 		       (unsigned long long) ti->begin,  in validate_hardware_logical_block_alignment()
662 		       (unsigned long long) ti->len,  in validate_hardware_logical_block_alignment()
1207 static int count_device(struct dm_target *ti, struct dm_dev *dev,  in count_device()  argument
1225 	struct dm_target *uninitialized_var(ti);  in dm_table_has_no_data_devices()
1229 		ti = dm_table_get_target(table, i++);  in dm_table_has_no_data_devices()
1231 		if (!ti->type->iterate_devices)  in dm_table_has_no_data_devices()
1234 		ti->type->iterate_devices(ti, count_device, &num_devices);  in dm_table_has_no_data_devices()
1248 	struct dm_target *uninitialized_var(ti);  in dm_calculate_queue_limits()
1257 		ti = dm_table_get_target(table, i++);  in dm_calculate_queue_limits()
1259 		if (!ti->type->iterate_devices)  in dm_calculate_queue_limits()
1265 		ti->type->iterate_devices(ti, dm_set_device_limits,  in dm_calculate_queue_limits()
1269 		if (ti->type->io_hints)  in dm_calculate_queue_limits()
1270 			ti->type->io_hints(ti, &ti_limits);  in dm_calculate_queue_limits()
1276 		if (ti->type->iterate_devices(ti, device_area_is_invalid,  in dm_calculate_queue_limits()
1290 			       (unsigned long long) ti->begin,  in dm_calculate_queue_limits()
1291 			       (unsigned long long) ti->len);  in dm_calculate_queue_limits()
1324 static int device_flush_capable(struct dm_target *ti, struct dm_dev *dev,  in device_flush_capable()  argument
1335 	struct dm_target *ti;  in dm_table_supports_flush()  local
1345 		ti = dm_table_get_target(t, i++);  in dm_table_supports_flush()
1347 		if (!ti->num_flush_bios)  in dm_table_supports_flush()
1350 		if (ti->flush_supported)  in dm_table_supports_flush()
1353 		if (ti->type->iterate_devices &&  in dm_table_supports_flush()
1354 		    ti->type->iterate_devices(ti, device_flush_capable, &flush))  in dm_table_supports_flush()
1363 	struct dm_target *ti;  in dm_table_discard_zeroes_data()  local
1368 		ti = dm_table_get_target(t, i++);  in dm_table_discard_zeroes_data()
1370 		if (ti->discard_zeroes_data_unsupported)  in dm_table_discard_zeroes_data()
1377 static int device_is_nonrot(struct dm_target *ti, struct dm_dev *dev,  in device_is_nonrot()  argument
1385 static int device_is_not_random(struct dm_target *ti, struct dm_dev *dev,  in device_is_not_random()  argument
1393 static int queue_supports_sg_merge(struct dm_target *ti, struct dm_dev *dev,  in queue_supports_sg_merge()  argument
1404 	struct dm_target *ti;  in dm_table_all_devices_attribute()  local
1408 		ti = dm_table_get_target(t, i++);  in dm_table_all_devices_attribute()
1410 		if (!ti->type->iterate_devices ||  in dm_table_all_devices_attribute()
1411 		    !ti->type->iterate_devices(ti, func, NULL))  in dm_table_all_devices_attribute()
1418 static int device_not_write_same_capable(struct dm_target *ti, struct dm_dev *dev,  in device_not_write_same_capable()  argument
1428 	struct dm_target *ti;  in dm_table_supports_write_same()  local
1432 		ti = dm_table_get_target(t, i++);  in dm_table_supports_write_same()
1434 		if (!ti->num_write_same_bios)  in dm_table_supports_write_same()
1437 		if (!ti->type->iterate_devices ||  in dm_table_supports_write_same()
1438 		    ti->type->iterate_devices(ti, device_not_write_same_capable, NULL))  in dm_table_supports_write_same()
1445 static int device_discard_capable(struct dm_target *ti, struct dm_dev *dev,  in device_discard_capable()  argument
1455 	struct dm_target *ti;  in dm_table_supports_discards()  local
1466 		ti = dm_table_get_target(t, i++);  in dm_table_supports_discards()
1468 		if (!ti->num_discard_bios)  in dm_table_supports_discards()
1471 		if (ti->discards_supported)  in dm_table_supports_discards()
1474 		if (ti->type->iterate_devices &&  in dm_table_supports_discards()
1475 		    ti->type->iterate_devices(ti, device_discard_capable, NULL))  in dm_table_supports_discards()
1571 	struct dm_target *ti = t->targets;  in suspend_targets()  local
1576 			if (ti->type->presuspend)  in suspend_targets()
1577 				ti->type->presuspend(ti);  in suspend_targets()
1580 			if (ti->type->presuspend_undo)  in suspend_targets()
1581 				ti->type->presuspend_undo(ti);  in suspend_targets()
1584 			if (ti->type->postsuspend)  in suspend_targets()
1585 				ti->type->postsuspend(ti);  in suspend_targets()
1588 		ti++;  in suspend_targets()
1621 		struct dm_target *ti = t->targets + i;  in dm_table_resume_targets()  local
1623 		if (!ti->type->preresume)  in dm_table_resume_targets()
1626 		r = ti->type->preresume(ti);  in dm_table_resume_targets()
1629 			      dm_device_name(t->md), ti->type->name, r);  in dm_table_resume_targets()
1635 		struct dm_target *ti = t->targets + i;  in dm_table_resume_targets()  local
1637 		if (ti->type->resume)  in dm_table_resume_targets()
1638 			ti->type->resume(ti);  in dm_table_resume_targets()