4224 int btrfs_num_copies(struct btrfs_fs_info *fs_info, u64 logical, u64 len)  in btrfs_num_copies()  argument
4233 	em = lookup_extent_mapping(em_tree, logical, len);  in btrfs_num_copies()
4242 		btrfs_emerg(fs_info, "No mapping for %Lu-%Lu\n", logical,  in btrfs_num_copies()
4243 			    logical+len);  in btrfs_num_copies()
4247 	if (em->start > logical || em->start + em->len < logical) {  in btrfs_num_copies()
4249 			    "%Lu-%Lu\n", logical, logical+len, em->start,  in btrfs_num_copies()
4277 				    u64 logical)  in btrfs_full_stripe_len()  argument
4285 	em = lookup_extent_mapping(em_tree, logical, len);  in btrfs_full_stripe_len()
4289 	BUG_ON(em->start > logical || em->start + em->len < logical);  in btrfs_full_stripe_len()
4300 			   u64 logical, u64 len, int mirror_num)  in btrfs_is_parity_mirror()  argument
4308 	em = lookup_extent_mapping(em_tree, logical, len);  in btrfs_is_parity_mirror()
4312 	BUG_ON(em->start > logical || em->start + em->len < logical);  in btrfs_is_parity_mirror()
4388 			     u64 logical, u64 *length,  in __btrfs_map_block()  argument
4418 	em = lookup_extent_mapping(em_tree, logical, *length);  in __btrfs_map_block()
4423 			(unsigned long long)logical,  in __btrfs_map_block()
4428 	if (em->start > logical || em->start + em->len < logical) {  in __btrfs_map_block()
4430 			   "found %Lu-%Lu\n", logical, em->start,  in __btrfs_map_block()
4436 	offset = logical - em->start;  in __btrfs_map_block()
4527 			     logical, &tmp_length, &tmp_bbio, 0, NULL);  in __btrfs_map_block()
4927 		      u64 logical, u64 *length,  in btrfs_map_block()  argument
4930 	return __btrfs_map_block(fs_info, rw, logical, length, bbio_ret,  in btrfs_map_block()
4936 		     u64 **logical, int *naddrs, int *stripe_len)  in btrfs_rmap_block()  argument
5013 	*logical = buf;  in btrfs_rmap_block()
5241 static void bbio_error(struct btrfs_bio *bbio, struct bio *bio, u64 logical)  in bbio_error()  argument
5248 		bio->bi_sector = logical >> 9;  in bbio_error()
5259 	u64 logical = (u64)bio->bi_sector << 9;  in btrfs_map_bio()  local
5271 	ret = __btrfs_map_block(root->fs_info, rw, logical, &map_length, &bbio,  in btrfs_map_bio()
5297 			(unsigned long long)logical,  in btrfs_map_bio()
5306 			bbio_error(bbio, first_bio, logical);  in btrfs_map_bio()
5390 	u64 logical;  in read_one_chunk()  local
5398 	logical = key->offset;  in read_one_chunk()
5402 	em = lookup_extent_mapping(&map_tree->map_tree, logical, 1);  in read_one_chunk()
5406 	if (em && em->start <= logical && em->start + em->len > logical) {  in read_one_chunk()
5424 	em->start = logical;  in read_one_chunk()