287 	struct block_device *bdev;  member
353 static unsigned origin_hash(struct block_device *bdev)  in origin_hash()  argument
355 	return bdev->bd_dev & ORIGIN_MASK;  in origin_hash()
365 		if (bdev_equal(o->bdev, origin))  in __lookup_origin()
373 	struct list_head *sl = &_origins[origin_hash(o->bdev)];  in __insert_origin()
384 		if (bdev_equal(o->dev->bdev, origin))  in __lookup_dm_origin()
392 	struct list_head *sl = &_dm_origins[origin_hash(o->dev->bdev)];  in __insert_dm_origin()
426 	o = __lookup_origin(snap->origin->bdev);  in __find_snapshots_sharing_cow()
433 		if (!bdev_equal(s->cow->bdev, snap->cow->bdev))  in __find_snapshots_sharing_cow()
524 	struct block_device *bdev = snap->origin->bdev;  in register_snapshot()  local
539 	o = __lookup_origin(bdev);  in register_snapshot()
548 		o->bdev = bdev;  in register_snapshot()
566 	struct block_device *bdev = s->origin->bdev;  in reregister_snapshot()  local
571 	__insert_snapshot(__lookup_origin(bdev), s);  in reregister_snapshot()
581 	o = __lookup_origin(s->origin->bdev);  in unregister_snapshot()
802 	cow_dev_size = get_dev_size(s->cow->bdev);  in init_hash_tables()
997 	dest.bdev = s->origin->bdev;  in snapshot_merge_next_chunks()
999 	dest.count = min(io_size, get_dev_size(dest.bdev) - dest.sector);  in snapshot_merge_next_chunks()
1001 	src.bdev = s->cow->bdev;  in snapshot_merge_next_chunks()
1557 	struct block_device *bdev = s->origin->bdev;  in start_copy()  local
1560 	dev_size = get_dev_size(bdev);  in start_copy()
1562 	src.bdev = bdev;  in start_copy()
1566 	dest.bdev = s->cow->bdev;  in start_copy()
1652 	bio->bi_bdev = s->cow->bdev;  in remap_exception()
1670 		bio->bi_bdev = s->cow->bdev;  in snapshot_map()
1753 		bio->bi_bdev = s->origin->bdev;  in snapshot_map()
1786 			bio->bi_bdev = s->origin->bdev;  in snapshot_merge_map()
1788 			bio->bi_bdev = s->cow->bdev;  in snapshot_merge_map()
1808 			bio->bi_bdev = s->origin->bdev;  in snapshot_merge_map()
1822 	bio->bi_bdev = s->origin->bdev;  in snapshot_merge_map()
1888 	o = __lookup_dm_origin(s->origin->bdev);  in snapshot_resume()
1941 static uint32_t get_origin_minimum_chunksize(struct block_device *bdev)  in get_origin_minimum_chunksize()  argument
1946 	min_chunksize = __minimum_chunk_size(__lookup_origin(bdev));  in get_origin_minimum_chunksize()
1964 	ti->max_io_len = get_origin_minimum_chunksize(s->origin->bdev);  in snapshot_merge_resume()
2027 		r = fn(ti, snap->cow, 0, get_dev_size(snap->cow->bdev), data);  in snapshot_iterate_devices()
2166 	o = __lookup_origin(origin->bdev);  in do_origin()
2199 	o = __lookup_origin(merging_snap->origin->bdev);  in origin_write_extent()
2266 	bio->bi_bdev = o->dev->bdev;  in origin_map()
2292 	o->split_boundary = get_origin_minimum_chunksize(o->dev->bdev);  in origin_resume()
2328 	struct request_queue *q = bdev_get_queue(o->dev->bdev);  in origin_merge()
2333 	bvm->bi_bdev = o->dev->bdev;  in origin_merge()