294 	struct block_device *bdev;  member
360 static unsigned origin_hash(struct block_device *bdev)  in origin_hash()  argument
362 	return bdev->bd_dev & ORIGIN_MASK;  in origin_hash()
372 		if (bdev_equal(o->bdev, origin))  in __lookup_origin()
380 	struct list_head *sl = &_origins[origin_hash(o->bdev)];  in __insert_origin()
391 		if (bdev_equal(o->dev->bdev, origin))  in __lookup_dm_origin()
399 	struct list_head *sl = &_dm_origins[origin_hash(o->dev->bdev)];  in __insert_dm_origin()
433 	o = __lookup_origin(snap->origin->bdev);  in __find_snapshots_sharing_cow()
440 		if (!bdev_equal(s->cow->bdev, snap->cow->bdev))  in __find_snapshots_sharing_cow()
531 	struct block_device *bdev = snap->origin->bdev;  in register_snapshot()  local
546 	o = __lookup_origin(bdev);  in register_snapshot()
555 		o->bdev = bdev;  in register_snapshot()
573 	struct block_device *bdev = s->origin->bdev;  in reregister_snapshot()  local
578 	__insert_snapshot(__lookup_origin(bdev), s);  in reregister_snapshot()
588 	o = __lookup_origin(s->origin->bdev);  in unregister_snapshot()
809 	cow_dev_size = get_dev_size(s->cow->bdev);  in init_hash_tables()
1004 	dest.bdev = s->origin->bdev;  in snapshot_merge_next_chunks()
1006 	dest.count = min(io_size, get_dev_size(dest.bdev) - dest.sector);  in snapshot_merge_next_chunks()
1008 	src.bdev = s->cow->bdev;  in snapshot_merge_next_chunks()
1140 	origin_dev = s->origin->bdev->bd_dev;  in snapshot_ctr()
1575 	struct block_device *bdev = s->origin->bdev;  in start_copy()  local
1578 	dev_size = get_dev_size(bdev);  in start_copy()
1580 	src.bdev = bdev;  in start_copy()
1584 	dest.bdev = s->cow->bdev;  in start_copy()
1670 	bio->bi_bdev = s->cow->bdev;  in remap_exception()
1688 		bio->bi_bdev = s->cow->bdev;  in snapshot_map()
1775 		bio->bi_bdev = s->origin->bdev;  in snapshot_map()
1808 			bio->bi_bdev = s->origin->bdev;  in snapshot_merge_map()
1810 			bio->bi_bdev = s->cow->bdev;  in snapshot_merge_map()
1830 			bio->bi_bdev = s->origin->bdev;  in snapshot_merge_map()
1844 	bio->bi_bdev = s->origin->bdev;  in snapshot_merge_map()
1910 	o = __lookup_dm_origin(s->origin->bdev);  in snapshot_resume()
1963 static uint32_t get_origin_minimum_chunksize(struct block_device *bdev)  in get_origin_minimum_chunksize()  argument
1968 	min_chunksize = __minimum_chunk_size(__lookup_origin(bdev));  in get_origin_minimum_chunksize()
1986 	ti->max_io_len = get_origin_minimum_chunksize(s->origin->bdev);  in snapshot_merge_resume()
2051 		r = fn(ti, snap->cow, 0, get_dev_size(snap->cow->bdev), data);  in snapshot_iterate_devices()
2190 	o = __lookup_origin(origin->bdev);  in do_origin()
2223 	o = __lookup_origin(merging_snap->origin->bdev);  in origin_write_extent()
2290 	bio->bi_bdev = o->dev->bdev;  in origin_map()
2316 	o->split_boundary = get_origin_minimum_chunksize(o->dev->bdev);  in origin_resume()