4741 int btrfs_num_copies(struct btrfs_fs_info *fs_info, u64 logical, u64 len)  in btrfs_num_copies()  argument
4750 	em = lookup_extent_mapping(em_tree, logical, len);  in btrfs_num_copies()
4759 		btrfs_crit(fs_info, "No mapping for %Lu-%Lu", logical,  in btrfs_num_copies()
4760 			    logical+len);  in btrfs_num_copies()
4764 	if (em->start > logical || em->start + em->len < logical) {  in btrfs_num_copies()
4766 			    "%Lu-%Lu", logical, logical+len, em->start,  in btrfs_num_copies()
4795 				    u64 logical)  in btrfs_full_stripe_len()  argument
4803 	em = lookup_extent_mapping(em_tree, logical, len);  in btrfs_full_stripe_len()
4807 	BUG_ON(em->start > logical || em->start + em->len < logical);  in btrfs_full_stripe_len()
4816 			   u64 logical, u64 len, int mirror_num)  in btrfs_is_parity_mirror()  argument
4824 	em = lookup_extent_mapping(em_tree, logical, len);  in btrfs_is_parity_mirror()
4828 	BUG_ON(em->start > logical || em->start + em->len < logical);  in btrfs_is_parity_mirror()
4943 			     u64 logical, u64 *length,  in __btrfs_map_block()  argument
4973 	em = lookup_extent_mapping(em_tree, logical, *length);  in __btrfs_map_block()
4978 			logical, *length);  in __btrfs_map_block()
4982 	if (em->start > logical || em->start + em->len < logical) {  in __btrfs_map_block()
4984 			   "found %Lu-%Lu", logical, em->start,  in __btrfs_map_block()
4991 	offset = logical - em->start;  in __btrfs_map_block()
5079 			     logical, &tmp_length, &tmp_bbio, 0, 0);  in __btrfs_map_block()
5485 		      u64 logical, u64 *length,  in btrfs_map_block()  argument
5488 	return __btrfs_map_block(fs_info, rw, logical, length, bbio_ret,  in btrfs_map_block()
5494 		     u64 logical, u64 *length,  in btrfs_map_sblock()  argument
5498 	return __btrfs_map_block(fs_info, rw, logical, length, bbio_ret,  in btrfs_map_sblock()
5504 		     u64 **logical, int *naddrs, int *stripe_len)  in btrfs_rmap_block()  argument
5580 	*logical = buf;  in btrfs_rmap_block()
5813 static void bbio_error(struct btrfs_bio *bbio, struct bio *bio, u64 logical)  in bbio_error()  argument
5823 		bio->bi_iter.bi_sector = logical >> 9;  in bbio_error()
5834 	u64 logical = (u64)bio->bi_iter.bi_sector << 9;  in btrfs_map_bio()  local
5846 	ret = __btrfs_map_block(root->fs_info, rw, logical, &map_length, &bbio,  in btrfs_map_bio()
5876 			logical, length, map_length);  in btrfs_map_bio()
5883 			bbio_error(bbio, first_bio, logical);  in btrfs_map_bio()
6013 	u64 logical;  in read_one_chunk()  local
6021 	logical = key->offset;  in read_one_chunk()
6025 	em = lookup_extent_mapping(&map_tree->map_tree, logical, 1);  in read_one_chunk()
6029 	if (em && em->start <= logical && em->start + em->len > logical) {  in read_one_chunk()
6048 	em->start = logical;  in read_one_chunk()