+static void print_block_group_item(struct extent_buffer *eb,
+ struct btrfs_block_group_item *bgi)
+{
+ struct btrfs_block_group_item bg_item;
+ char flags_str[256];
+
+ read_extent_buffer(eb, &bg_item, (unsigned long)bgi, sizeof(bg_item));
+ memset(flags_str, 0, sizeof(flags_str));
+ bg_flags_to_str(btrfs_block_group_flags(&bg_item), flags_str);
+ printf("\t\tblock group used %llu chunk_objectid %llu flags %s\n",
+ (unsigned long long)btrfs_block_group_used(&bg_item),
+ (unsigned long long)btrfs_block_group_chunk_objectid(&bg_item),
+ flags_str);
+}
+
+static void print_extent_data_ref(struct extent_buffer *eb, int slot)
+{
+ struct btrfs_extent_data_ref *dref;
+
+ dref = btrfs_item_ptr(eb, slot, struct btrfs_extent_data_ref);
+ printf("\t\textent data backref root %llu "
+ "objectid %llu offset %llu count %u\n",
+ (unsigned long long)btrfs_extent_data_ref_root(eb, dref),
+ (unsigned long long)btrfs_extent_data_ref_objectid(eb, dref),
+ (unsigned long long)btrfs_extent_data_ref_offset(eb, dref),
+ btrfs_extent_data_ref_count(eb, dref));
+}
+
+static void print_shared_data_ref(struct extent_buffer *eb, int slot)
+{
+ struct btrfs_shared_data_ref *sref;
+
+ sref = btrfs_item_ptr(eb, slot, struct btrfs_shared_data_ref);
+ printf("\t\tshared data backref count %u\n",
+ btrfs_shared_data_ref_count(eb, sref));
+}
+
+static void print_free_space_info(struct extent_buffer *eb, int slot)
+{
+ struct btrfs_free_space_info *free_info;
+
+ free_info = btrfs_item_ptr(eb, slot, struct btrfs_free_space_info);
+ printf("\t\tfree space info extent count %u flags %u\n",
+ (unsigned)btrfs_free_space_extent_count(eb, free_info),
+ (unsigned)btrfs_free_space_flags(eb, free_info));
+}
+
+static void print_dev_extent(struct extent_buffer *eb, int slot)
+{
+ struct btrfs_dev_extent *dev_extent;
+ u8 uuid[BTRFS_UUID_SIZE];
+ char uuid_str[BTRFS_UUID_UNPARSED_SIZE];
+
+ dev_extent = btrfs_item_ptr(eb, slot, struct btrfs_dev_extent);
+ read_extent_buffer(eb, uuid,
+ (unsigned long)btrfs_dev_extent_chunk_tree_uuid(dev_extent),
+ BTRFS_UUID_SIZE);
+ uuid_unparse(uuid, uuid_str);
+ printf("\t\tdev extent chunk_tree %llu\n"
+ "\t\tchunk_objectid %llu chunk_offset %llu "
+ "length %llu\n"
+ "\t\tchunk_tree_uuid %s\n",
+ (unsigned long long)btrfs_dev_extent_chunk_tree(eb, dev_extent),
+ (unsigned long long)btrfs_dev_extent_chunk_objectid(eb, dev_extent),
+ (unsigned long long)btrfs_dev_extent_chunk_offset(eb, dev_extent),
+ (unsigned long long)btrfs_dev_extent_length(eb, dev_extent),
+ uuid_str);
+}
+
+static void print_qgroup_status(struct extent_buffer *eb, int slot)
+{
+ struct btrfs_qgroup_status_item *qg_status;
+ char flags_str[256];
+
+ qg_status = btrfs_item_ptr(eb, slot, struct btrfs_qgroup_status_item);
+ memset(flags_str, 0, sizeof(flags_str));
+ qgroup_flags_to_str(btrfs_qgroup_status_flags(eb, qg_status),
+ flags_str);
+ printf("\t\tversion %llu generation %llu flags %s scan %lld\n",
+ (unsigned long long)btrfs_qgroup_status_version(eb, qg_status),
+ (unsigned long long)btrfs_qgroup_status_generation(eb, qg_status),
+ flags_str,
+ (unsigned long long)btrfs_qgroup_status_rescan(eb, qg_status));
+}
+
+static void print_qgroup_info(struct extent_buffer *eb, int slot)
+{
+ struct btrfs_qgroup_info_item *qg_info;
+
+ qg_info = btrfs_item_ptr(eb, slot, struct btrfs_qgroup_info_item);
+ printf("\t\tgeneration %llu\n"
+ "\t\treferenced %llu referenced_compressed %llu\n"
+ "\t\texclusive %llu exclusive_compressed %llu\n",
+ (unsigned long long)btrfs_qgroup_info_generation(eb, qg_info),
+ (unsigned long long)btrfs_qgroup_info_referenced(eb, qg_info),
+ (unsigned long long)btrfs_qgroup_info_referenced_compressed(eb,
+ qg_info),
+ (unsigned long long)btrfs_qgroup_info_exclusive(eb, qg_info),
+ (unsigned long long)btrfs_qgroup_info_exclusive_compressed(eb,
+ qg_info));
+}
+
+static void print_qgroup_limit(struct extent_buffer *eb, int slot)
+{
+ struct btrfs_qgroup_limit_item *qg_limit;
+
+ qg_limit = btrfs_item_ptr(eb, slot, struct btrfs_qgroup_limit_item);
+ printf("\t\tflags %llx\n"
+ "\t\tmax_referenced %lld max_exclusive %lld\n"
+ "\t\trsv_referenced %lld rsv_exclusive %lld\n",
+ (unsigned long long)btrfs_qgroup_limit_flags(eb, qg_limit),
+ (long long)btrfs_qgroup_limit_max_referenced(eb, qg_limit),
+ (long long)btrfs_qgroup_limit_max_exclusive(eb, qg_limit),
+ (long long)btrfs_qgroup_limit_rsv_referenced(eb, qg_limit),
+ (long long)btrfs_qgroup_limit_rsv_exclusive(eb, qg_limit));
+}
+
+static void print_persistent_item(struct extent_buffer *eb, void *ptr,
+ u32 item_size, u64 objectid, u64 offset)
+{
+ printf("\t\tpersistent item objectid ");
+ print_objectid(stdout, objectid, BTRFS_PERSISTENT_ITEM_KEY);
+ printf(" offset %llu\n", (unsigned long long)offset);
+ switch (objectid) {
+ case BTRFS_DEV_STATS_OBJECTID:
+ print_dev_stats(eb, ptr, item_size);
+ break;
+ default:
+ printf("\t\tunknown persistent item objectid %llu\n", objectid);
+ }
+}
+
+static void print_temporary_item(struct extent_buffer *eb, void *ptr,
+ u64 objectid, u64 offset)
+{
+ printf("\t\ttemporary item objectid ");
+ print_objectid(stdout, objectid, BTRFS_TEMPORARY_ITEM_KEY);
+ printf(" offset %llu\n", (unsigned long long)offset);
+ switch (objectid) {
+ case BTRFS_BALANCE_OBJECTID:
+ print_balance_item(eb, ptr);
+ break;
+ default:
+ printf("\t\tunknown temporary item objectid %llu\n", objectid);
+ }
+}
+
+static void print_extent_csum(struct extent_buffer *eb,
+ struct btrfs_fs_info *fs_info, u32 item_size, u64 start)
+{
+ u32 size;
+
+ size = (item_size / btrfs_super_csum_size(fs_info->super_copy)) *
+ fs_info->sectorsize;
+ printf("\t\trange start %llu end %llu length %u\n",
+ (unsigned long long)start,
+ (unsigned long long)start + size, size);
+}
+