drivers/md/dm-thin.c

404 	return __blkdev_issue_discard(tc->pool_dev->bdev, s, len, GFP_NOIO, &op->bio);
725 	bio_set_dev(bio, tc->pool_dev->bdev);
738 	bio_set_dev(bio, tc->origin_dev->bdev);
1291 	to.bdev = tc->pool_dev->bdev;
1351 		from.bdev = origin->bdev;
1355 		to.bdev = tc->pool_dev->bdev;
2850 	struct block_device *data_bdev = pt->data_dev->bdev;
2857 	if (!bdev_max_discard_sectors(pt->data_dev->bdev))
3227 static sector_t get_dev_size(struct block_device *bdev)
3229 	return bdev_nr_sectors(bdev);
3232 static void warn_if_metadata_device_too_big(struct block_device *bdev)
3234 	sector_t metadata_dev_size = get_dev_size(bdev);
3238 		       bdev, THIN_METADATA_MAX_SECTORS);
3241 static sector_t get_metadata_dev_size(struct block_device *bdev)
3243 	sector_t metadata_dev_size = get_dev_size(bdev);
3251 static dm_block_t get_metadata_dev_size_in_blocks(struct block_device *bdev)
3253 	sector_t metadata_dev_size = get_metadata_dev_size(bdev);
3273 	dm_block_t quarter = get_metadata_dev_size_in_blocks(pt->metadata_dev->bdev) / 4;
3342 	warn_if_metadata_device_too_big(metadata_dev->bdev);
3371 	pool = __pool_find(dm_table_get_md(ti->table), metadata_dev->bdev, data_dev->bdev,
3455 	bio_set_dev(bio, pt->data_dev->bdev);
4033 		       format_dev_t(buf, pt->metadata_dev->bdev->bd_dev),
4034 		       format_dev_t(buf2, pt->data_dev->bdev->bd_dev),
4245 	pool_md = dm_get_md(tc->pool_dev->bdev->bd_dev);
4404 		tc->origin_size = get_dev_size(tc->origin_dev->bdev);
4453 			       format_dev_t(buf, tc->pool_dev->bdev->bd_dev),
4456 				DMEMIT(" %s", format_dev_t(buf, tc->origin_dev->bdev->bd_dev));